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Texas Instruments Laptop 1 User's Manual

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1. Figure A 1 Notebook Main Board Logic Diagrams Sheet 21 of 30 A 22 Notebook Schematic Diagrams 2 DOCKING SIGNAL INTERFACE 21 aa 38 149 PINTS 2 4 10 11 24 2 4 10 11 24 24101124 y u olf 2584588 m 3 5 le S ar 58 0 i IET 2 8 8008 8 5 9 5 a E d B g 2 5 i x g 8 ck qm
2. af 8 22222 af 8 22992 E il ji 33232253284 18 dis 5 25424 88 9 E 5 880 SSacuvaueneeles 800 1 aad ITI TIL MTPTMIETT iod fo 1 N 8 M cien e He pheta i 5955 bii g 22222 t IUD MEEECETENTTE E 82909 E d Figure A 1 Notebook Main Board Logic Diagrams Sheet 6 of 30 Notebook Schematic Diagrams A 7 2 6 DIMM SOCKET DRAM F R81 19 L 2KR3 1 o R82 E 3K3R3 SDIMM144 2 DRAM VCC 171 C1677 C16 169 C172 C179 180 176 C1777 C178 SC10U16V scpul scp sepw_ scpiu sepw_ scoil scpul_ SCD 1 R202 100KR3 2 Li 9 Y 23 M 3 3V 1 R154
3. 29 Jr vLOHSS vLOHSS OF 6 8 z 0991 2 11895 nidos niaos niaos nidos 11495 niaos v 19 S019 019 200 1019 L vun 1v8 E E 2400 EN 2 060 291 rg a 9 aos frags niaos niaos niaos 0019 669 862 160 969 330 NO v FOND L _ E H I0L WaAsenzzis EB WaAsenzzis ASOINO AEE 2 990 992 O 2 H tj m d N niaos niaos niaos niaos niaos 777 T ano 9 49128 niaos WGA91n00L1S WGA91000LLS 7 s e 8019 109 9012 S 5 199 790 eso d 1 Em S v ne mos pM Ast snowed 15 niaos 1 199 1 890 690 d iud 2 4 658 1 L 545214 Rc S 7 9HSS Ast 2 Vids 96001 m vaL 1541 2 T 1219 gos
4. 16 21 22 D 0 D D 0123 4 5 6 7 alzlels lalziels RP12 RP11 SRN33 SRN33 R42 1 2 3 4 1 2 3 4 1 2 Susy 1622 16 22 2 5 16 22 116 22 lt 4 5 16 22 dii SRN33 BPa 444 25 8 16 22 2 6 22 16 21 16 888722932908897884 SONS vs MN eal 7 350 24 347 Wi t wh B7 NT ub p A acm P neg R CNTN LAAERER DSRi PZ4 DSRi amp ATR3 EX T IP LB z3 sm _ SIN1 72 2 D RTS1 BADDRO 6 k TY SOUTUBOUTIBADDRi 75 1 8 P o DIR 4 DIRI gt CS1zws p58 Bt 9 120 _ DCD2 A15 dun P 2 0 DACK2 DSR2 IRQ12 IRRX2 IRSLO GE INSTA MED Ts 4 TC SIN2ARRX1 NOT INSTALLED 10 24M SIO 24M 5 1 SOUT2 BOUT2 CFGOARTX_ CIS2 A13 8 R DIR2 A1 RIZ A11 55 1 1RQ15 SIRQI1 DRQ3 11_15 la IRQ11 BM 56 N E IRQS 4 FN _ bes 419 Dacko 2 4 BOE DACKi Pet pack l4 i
5. 2 et VOA ag ag niae T oPINNOO GHH ep niae T 2915 S 18 d er Sse d lt tr 818 81V ted lore sg p 18 BU ieu ed ZOQUNZ 9 sont wn 219 er 07 99 WORKS Hno n o M ay NR AMA m4 8t ee 974 299 2 1 265 4 z s tm 290 m 8 TAES Sit ot ev v rne n sc m oe _ sci 1 22 88 9 ez oy x x 9v a o2 viv ASIE MD 7 ez j ov TAI oy cd 4 1 6 8 st ene ONIL Od eed n 01 fd rey GAH aav oe 4 X 4 P mas 2 ew 1 Z1NOO2GL TOW e 8 w O HO CIV 96 d oa ow al gt 22 duoc M sum Stt
6. SCIOUISY 2 3001444 88 i gt Hl E i 5 8 4 5 3 88 a 9 8 448 84 gt 8 g 85 8 58 25 ES 2 5 T 588 8 8 8 dudd 1 8888 1 290 TD TE Em 0 enr po Mes eo gt 00 in dora CET aoa Tosi On T woot gt pe ED Ow 290 FOLE 5 e JUOXES SN gt E Wen EUN 8235 RN 7 Tov o UNE 8238552853 5 gt TSE B 02 1895 Tw 289560 84 rev 97 aro on gt a o gu unit oo DUET s a ed 4 amin LO LUENH ww EAE gt Ci o ES wow 8 Cezus ws 20 N E Rd 8 2200 ON Lg 200 a 200 EO eu 200 p 262 Q EEAO OERA 5 azor mec es po Zorn
7. Figure MPB Main Board Motherboard Logic Diagrams Sheet 2 of 10 MPB Schematic Diagrams B 7 532385355489 4 _ 45V RP2R 1 3 2 m 1 4 pee SRPTOK 24 2 9 es 9 2 c8 8 ce 585 585 Figure MPB Main Board Motherboard Logic Diagrams Sheet 3 of 10 B 8 MPB Schematic Diagrams QST3384 i SCDIU 4 2 vee IDE 011 CD Di IDE 01 DED CD Cn pia 0 4 1 up MAX809EUR L UMA MUTI BAY I F scou DK AUDIO E E 1 T329 TP329 gt DUMMY R3 1 T332 Put TP332 T 2 U SCIKP 2 T330 140 DK EH ES EE ps 0 E o o J Ae ao 1 TP328 7 TP333 5 2 E LINE OUT L OUT 13 T328 5 lt LINE OUT R 5
8. PCM 39V rype 1 2 B_SLOT Nan Nana Nane Nan Nan N NS tum AE 2402224 4 8 2 4102224 24102224 410112224 o s PCM 12 12 12 12 E ACE 12 Seye Figure A 1 Motherboard PWB Logic Diagrams Sheet 11 of 23 A 12 Notebook Schematic Diagrams 3 1 3 55 Aus 933 en 55 i 33338 PT i e Eror tezo LL Erokrw 11 YOLOANNOD VIONWDd HIPS
9. Sue Eu Xu AUAU I d Ox OEIC Q o0x3u 04003 020 009 8 1523 PCI TO CONTROLLER 1 8888 918 383 s 8 2 812 81911 1 1 1 111 17654 3458 3335333333333 3333333 TETTES du n y Qd shi IDEPCS1J IDEPCS3J IDESCS3J LA23 1422 LA21 LA20 LA19 1 18 3 19 5 18 SAIS 3 15 A14 A12 5 2 lt 1 DE d 1 NOT INSTALLI 4 d 8 8 B ER lU wi ve 1 8 5 Figure A 1 Notebook Main Board Logic Diagrams Sheet 4 of 30 Notebook Schematic Diagrams A 5
10. 169 Z00LNZ 5 AZEAOSNLGOS e E 1 0 so e 1291 C 2 T 00 E 2 d 8NOOX310N E 15 2 9 99 seu L vavd aws T 2 1 0 3 10 gt 9 EE 806252804 Si 74 0 smua 52 CU Bc i Wa 1 00 0 i wah 3 ea xiva nidos 2 er U L NC 9 19 uo me 1noivaoa 2 2 eos 98H T Z002Nz 3 j FU e H095 iva z z EE 25 E 288 8SAS 4195 niaos 919 slo SSAS Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 7 of 10 B 12 MPB Schematic Diagrams 24 ME Er N 5 ran 2 227 14661 9OUEBA 14 py h SIT rav 9 PO ay gor 9091 STE sis giai E i213 2
11. vy yiv A AJAN NA A A ANNA 0199 niaos niaos A9LNOLOS O9 VHA 819 822 zo es Ere sey Figure 4 Board Logic Diagrams Sheet 2 of 5 MPB Schematic Diagrams B 17 INV IA ING E nidos L 09 91965 SSA 99 22 ev tV vz VVA 9vVA 2 9 Wy 200K z OV OVVA 8v 8VVA 8 6 30 30 62 svon am 81 FUSVH 98 svot on 3 iari fHa8svo 2 AN v 9N 9N re goa ot goa LLOG voa gt 45 SSA 8 m B SHAINA 3109 SSA t sn nias 122 naos 71 09 91 9525 SSA DOA z tV z ve sv w Lu VVA YVVA 9v SVVA 92 jv 6 SVVA zz 89 on OVVA IVVA 82 430
12. 6 3 Cover Display Assembly 6 4 System Base Assembly 6 6 Mobile Productivity Base Assembly 6 9 Notebook FRU Replacement Procedures 6 10 Removing Replacing the Notebook Battery Pack 6 11 Removing Replacing PCMCIA Options 6 12 Installing Removing the Mobile Productivity Base 6 13 Removing Replacing the Hard Disk Drive Assembly 6 15 Removing Replacing the Keyboard Assembly 6 16 Heat Sink Assembly Removal Replacement 6 17 Display Assembly Removal Replacement 6 18 Removing Replacing the LED Microphone Board Assembly 6 19 Removing Replacing the CPU Board 6 20 Removing Replacing the Top Cover 6 21 Removing Replacing the VGA Video Board 6 23 Removing Replacing the Power Supply Board 6 24 Removing Replacing the DC In Board Assembly 6 25 Removng Replacing the PC Module 6 26 Removing Replacing the Main Board Assembly 6 27 Removing Touchpad Speak
13. 1 gt 19 19 5 5 1 1 U8D 4 4 9565 CLOSE TO AUDIO CHIP 4 4 4 3 9 gt 42 11 STANDBY 1 _ 1 7 SSHC14 1 07 7 SSHC14 7 SSHC125 a oe L 1 R14 2 2MR5 1 2 R26 220KR3 2 C59 SC1U10V5JY Figure A 1 Notebook Main Board Logic Diagrams Sheet 28 of 30 Notebook Schematic Diagrams A 29 A 3191 44 ONO 13539 86 085 nidos 2085 aa uum SSA vorn JACKE 196 RT 2 sooHss 2 n E ES E eoo ant 1 T r SI T lt owo L SEVESHNI t ES 557 24100 zt 83 IH 8 1 ul t L aesn t 2 E g 9 vosn 440 HEM Od NMONDINN x x L 22921 K 440
14. E w NSK POLOHSS SO LOHSS L 1 14 va t z vel ain HWOL mos e na eps SoL pL 215 299 um lt H3TIOHLNOO 22291 Figure A 1 Notebook Main Board Logic Diagrams Sheet 19 of 30 Notebook Schematic Diagrams A 20 o pei 1444 125 180 20A EHAO 92d WHO 04001 186 N E NEG N E 1 It az ous se ola E 5 5 B 1 D S R 5 t ose
15. Le glv nao gt LVM3Ad002HM 2 nidos 520 1495 3 nidos 002 06 28 ndo 66 6 925 86 Eig ndo 25 44 96 9r 070 905 Se Sp Wd ndos 561 122 wands TB 1405 26 ndo x 154 ndo z ME s lt n 290 495 L3 BE 5 78 1495 98 nidos 5 55 EE C 060 1495 85 D nidos lt 1214942 Zg 2 Te lt i nidos 08 0 VAIHS HO ssa 995 ez _ 82 zv 2 1425 21 72 i 750 nidos 97 92 2 11995 Gz 52 cuo 2 i a z zb 44 N 290 24 ziv 01406 nds or 42 S or HYAS 29 tv ndo S It 2 38 lt E Sr 577 R l 1498 9v ndo 6 ndos BE 8 82 1405 76 I 405 98 g 927 405 405 E Sev das APOAOLNeZOS APOAOLNZZIS 1 1 859 vir L 9222015 2 O 99 9
16. zo 9891 28241 20 0021 5 vLOHSS e or 211017994 43901 09 ori z edt D z 80 dL 2 da XR 2 954 gos 80641 124 BIEL ims wen va fis 2400 i 5900 2001 Q t T esL 0951 1521 Ast 809 4 m z eh 80641 10 6 5 d 1 zouNz 5 4 4 e ll n 1 4 i EPE 7 eru u 2 4 T 8 L met 1 S a2 15 11495 1179 18 us 025 d 1 9S Aga I Y 8 433 li n 5 8 re 0 T 1941 m 8 sin VSZ 0 A0 1noivaoa Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 6 of 10 MPB Schematic Diagrams B 11 vivd Asav je OHNO m 22 e 1961 oret Pdl Li 1581 Pdl H ose 0564 gn 22 sez 98041 a 15541 a cee 98891
17. ZHMOP O 0 5 px nags OHS 1 306 Oed 189 C TT veu suce deos ES the HEL CRIs 96H zelo Ob ZHMSLE P Ldt ee X __ TEL 5 suet 17 t 812 lt t EV tt Ei i eues ror rossa 2 Ei 155 te Saal comas 57 0 neventy suet 5 2 Peas 2 nidos awe L819 0027 610 9612 8615 velo 812 amos YOLVYANAD 20 19 Figure A 1 Notebook Main Board Logic Diagrams Sheet 8 of 30 Notebook Schematic Diagrams A 9 T PLOHSS 2 EA tt P E Lum zr TSVHNSZ 02 Ww asn f PLOHSS OLLA 1
18. 2 F nas 8291559 dIH OKNY HSan 21 8 8157555 E NNOO 525 54 LHOd LNIHd 6 SS evs cans HOSLOKI AN IHVOSAS LNOO OH pL om 21H HOSWOHOIM L NN OO CIHVOH O LOHV OA VIO od HOS NNOO OELLIOd EH TIOHLNOO HOSVDMOd LL Reet NNOO 1H2 X HOS OA OL 2 00 14207D SNHdOLS 6 NED 193006 WANIG Z wud HOS AHOWZM 9 OYL 7 Howo s HOSWSN r Z Lec Hoe dod L LZSLIN Hd NNOO doa L 7 tes oki se ep OOZNNOO VI og ry 579 srd oaeo icd neos occid trd 1 1854 reat vanus trg otro F BEY id 9 ndo orat 238 neos ted tando LSLE SAD ed CIC 220 Coens ted E 0 4 BAAS 684 859 Tos 29 Zi Ted 959 TOS 520 Sta At Stv ndot veo new PE
19. 3 2 4 Keyboard Hot Key Sequences Table 3 2 contains a summary of keyboard hot key sequences useful when performing maintenance operations Table 3 2 Summary of Notebook Hot Key Sequences Function Key Sequence CMOS Setup Fn F1 Enter Suspend Mode Fn F2 5 Volt Suspend Fn F3 Enter Standby Mode Fn F4 Resume from Standby Mode Press any key Scroll Lock Fn F6 Numeric Lock Fn F7 Turn off the LCD backlight Fn F11 Turn on the LCD backlight Press any key Operating Instructions 3 3 Table 3 2 Summary of Notebook Hot Key Sequences Function Key Sequence Alternate between display modes LCD CRT or both Fn F12 Decrease LCD screen brightness Fn Down Arrow Increase LCD screen brightness Fn Up Arrow Lighten LCD screen contrast Darken the LCD screen contrast Fn Right Arrow Fn Left Arrow Exit OV Suspend Mode Press Power switch Toggle speaker output on off Stop a command or application Ctrl Pause Resume a command or application Send the contents of the screen to the printer Press any key Shift PrtSc Sets the notebook to echo keystrokes to the printer prints when Ctrl P you press Enter continues until you press Ctrl P Enable disable the internal keypad Fn T Warm boot Ctrl Alt Del Start Windows logo key Display the application s context
20. 4185 Loe d ooe CIO JAOWSH AT 4r y 5 zE 129 OOW E 9 nidos ess azen L E HAWANING e C 802HSS ES lt 02 5 H T aan i 08 L dss il ezza 6PLH L L PLOHSS a 05198 A r si 1 aw su woi 08 2800 Y 01 HMOL a T BW aN d C Miis s t t t MOOS T 2 ween asen vern aon L Hyoz naas Ree ozzy het m SANTI t ELH H3M Od Figure A 1 Notebook Main Board Logic Diagrams Sheet 9 of 30 10 Notebook Schematic Diagrams lt irie lt r
21. t que UN 9u wc SY T 1 2003 g ON DOA 700 E rl z 190 ee 8 3 we t 803 090091 d 1 St d m 9f 16 8 E 4 ON 99 LMS E as N zat INS vm 444445533555555555555555555555555555555555 5244444444444444444444444444444444444 II ure AARRARAARRARARARAARAAARARAAKARARARARARARARK ICI 1 FH Aus ON SOA fido SOA MPB Schematic Diagrams B 3 Figure B 1 MPB CPU Board Logic Diagrams Sheet 2 of 3 VCC CPU _ 1 D D D D _ ________ C30 SCD1U C22 C29 C40 C25 C36 SCD1U SCD1U SCD1U SCD1U SCD1U scD1U 1 CPU VOLTO R25 LI 1 36KR3D 1 1 2 i
22. NIAS 29 907615 9n 1 Reet 2 F 7 4 ied SOAWWHA 3 2 4001 XWEAOSdO00LOS fitaos 9 10 98 L vos 99 ES V 709 4 5 Nid aN9 68 9 99 esoro IS HAA ETE Ag 9 5 ze 3 NIA 29 v NIAS 99 L 902618 0199 AQLNOLOS AZSASLNLOS LN 059 wo AE 25019 4 z0oHSS Z09HSS 4 vs 7 ven L 55 Figure 4 Board Logic Diagrams Sheet 5 of 5 MPB Schematic Diagrams B 20 ano 4 cuxos 7 me sio 89 y 2 ano e N ASZd0019S 1 2 E nidos T zu N ASZd0019S QOSNNOO SUH K er w ERU Iri Sr Nira OW Spi 9r INAT 6 7 y TNENIG 5 8 INO NIT t Y CIT z Tino wn NXEASZd00IOS 0 MxEASZd0UOS T tpe EIE gOVOLIH
23. 3 52 3906 P M 12V DERI A 14 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 13 of 30 KEYBOARD CONTROLLER KBC 5 C154 C153 4 13 15 17 19 20 25 ScikP 1 1 R87 R84 oma c 1 RY1 2 2 1234567 8 9 1 1 1 1 1 4 1 47KR3 0123456 2 wi SC ADD RY1 PULLED UP 4 La 4 4 4 4 u28 2 817161514 31211101391 81716181 4 3 ps i __ P37 P20 20 Pse 21 SCHOKE D __ 51 x2 P35 22 KRONE P34 P23 53 paa P24 rows sa M38813 2 55 P31 P26 KROW1 55 P27 1 vec Ves 2 5 8 2 26 n 58 Pet CNTRO P xour 2 20Khns 26 Creu cL 59 P60 INT5 OBF2 4 XN so P60 5 MT DATA 1 2 2 SB ADD 20K PULL
24. 5 10 Troubleshooting Procedures Table 5 5 General Troubleshooting Procedures Problem Corrective Actions Check that the AC adapter is plugged into the power connector of the system Also check that the AC adapter is plugged into a properly grounded AC power outlet If using the battery as main power source check if the battery pack is of the right type charged and is inserted correctly Check the powerboard of the system Is it inserted into the motherboard connector properly Otherwise replace the powerboard Data on the LCD is unreadable Adjust the brightness and contrast display controls Check if the LCD cables are inserted properly Check connections inside the LCD panel Verify if installed driver is correct Check controller chip on the motherboard to see if there is any cold or loose soldering Replace the motherboard Dmm D a H Troubleshooting Procedures 5 11 Table 5 5 General Troubleshooting Procedures continued LCD screen does not show data 1 Checkthe LCD Status Bar if Suspend mode is activated Press any key or press the power button to resume operation and display 2 Check if LCD cables are disconnected or loose 3 Checkifthe display output is switched to the external monitor 4 Verify that the Contrast level is set to minimum 5 Checkifthere is power 6 Replace the LCD Inverter boar
25. 58 3 88 1 88 5 pri T s 8 35 j of g 58 id 8 mi I z 2506 ET Se 3 4 wo gp ee 22006 POG Wo d wh T zm 8 T 200 T0 Zaa 85 E 5 T i si 822 lt Ti gg Q 5 o B 4 PE p Lu CEDE m E 5 TENE E F E 5 38 ui 8 p i J 3 x GUSSSSRSSeraereerssgnagayenageng 222 4 TEE s 855 2200c oo ac me set qe erm E ES AEA PTT NE 5 a 5 5 8 55 d tm ii 1 CPU A18 FOR 512K SRAM CPULAIS CXI 2 512 NOT INST INST 256K INST NOT INST Figure A 1 Notebook Main Board Logic Diagrams Sheet 5 of 30 A 6 Notebook Schematic Diagrams 16MB DRAM MEMORY Pd
26. PERR 2 DEVSEL 7 ADI7 DEVSEL 2 19 020 021 022 AD24 51 3 3V 5V PCIRST SINDOVE R11 AD29 55 2 AD30 58 VGACLK 5 VGA_14M AD31 59 C25 60 SC39P 61 62 2 SA 32K2 63 44 64 65 66 67 68 69 70 2 7 SCD1U VGA BOARD CONNECTOR 1 1 1 1 1 1 SCD1U 1 1 1 j 1 Figure 4 Board Logic Diagrams Sheet 1 of 5 LCDVEE C53 FRAME CLOSE VGA 16 MPB Schematic Diagrams e 00 eoo e eo H3TIOHLNOO 22 5 con 9 5 i t n t A 2 P 7 r tEsF a e et u 6 et A H er 1 a es v
27. General Description 1 15 Table 1 5 Extensa 900 Specifications Characteristic Model 900 Series Specifications RS 232 D Serial Port 9 Pin male sub D type connector Method EIA RS 232 D Type Asynchronous transmission Bits per second 110 200 300 600 1200 2400 4800 9600 19200 Parity Transmit Odd even mark space Receive Data check odd even Line control READY BUSY DC1 DC3 Data word 7 or 8 bit 16550 UART Support Yes Selectable Serial Port 3F8h BIOS Setup COM2 IRQ3 2F8h COM3 IRQ4 3E8h COM4 IRQ4 2E8h Disable Parallel Port EPP ECP Bidirectional Connector Type 25 Pin DB 25 Connector Fast I R Port Yes Transfer Data Rate 4 Mb s Mobile Productivity Yes Base Ready 1 16 General Description 1 6 Regulatory Agency Approvals Extensa 900 Series products meet the following regulatory agency standards Underwriter s Lab UL Standard 1950 safety Canadian Standards Association CSA Standard 950 or CUL safety FCC CFR 47 Part 15 Subpart B FCC Level B Emissions Canadian Department of Communications DOC ICES Class B Emissions VDE EN60950 Safety EN 50082 1 Immunity ESD RFI EFT and Surge EN 50081 1 Emissions RFI EMI Harmonics and Flicker Approval Marks UL CUL VDE FCC and CE nT 2 2 54 General Description 1 17 2 Installation 2 1 Introduction This section contains unpacking and preparation f
28. Figure 2 5 MPB Battery Removal Installation Installation 2 4 2 Installing Ext Keyboard Mouse Numeric Keypad A PS 2 compatible Keyboard mouse or an optional PS 2 compatible numeric keypad may be installed on the notebook via the mouse connector on the left rear port as shown in Figure 2 6 Note Refer to Figure 2 4 for port assignments if using the MPB option 2 8 Installation Mouse Keyboard Connector Name MDATA KDATA MSGND MSVcc MCLK KCLK Figure 2 6 PS 2 Port Connections 2 4 3 Installing an External Parallel Printer The Notebook is equipped with an external bidirectional ECC EPP compatible 25 pin parallel printer port The connector pinouts and connector location are shown in Figure 2 7 Note Refer to Figure 2 4 for port assignments if using the MPB option Installation 2 9 PARALLEL PORT PINOUTS Strobe Data Bit O Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 25 Ground Note Denotes Active Low Figure 2 7 Parallel Port Pinouts 2 4 4 Installing an External Serial Port Device The notebook contains an external RS 232 serial port with a 9 pin male DB 9 connector as shown in Figure 2 10 25 pin cables require the use of an adapter for use with the 9 pin port The serial ports are used to interconnect such devices as External Modem Serial Mouse Serial Printer NENNEN 2 10 Installation
29. SNASH sso 790 55 tj as aou abs he Lage O P c1 0 0A 90 200 20 diros oL t geese 4 4 y tt Ror 3 16 9 kE SLELESK 2 222 T et 0 2 gt n ar Ooa 2 z duos aesie 5 n 1 AZIZ 1 1 FAA ved mm 14 T 16 02 ILGOG L3ONVHOHSLUNI 285 Notebook Schematic Diagrams A 11 Figure A 1 Notebook Main Board Logic Diagrams Sheet 10 of 30 Pom la gt 12 1247 12 B CHANGEDPULL UP VOLTAGE FROM 45 SRPIOK 12 POM 33Y 10 12 17 SCDiU C135 SCioUtev soiu POM 33V Cii THA SCIKPL SCIKP SCIKP 5 51 wood PIN187 CONNECTEDTO PCM 3 3V 2 23 PET A A22 21 _ 20 ACAM A
30. Sara ez w ed Io d Eos 9 ramo momoo a ESTO 4 Bore IO MEET To pee led cse 5 9 emo ES Cez wo 20 0 CSOD Kor el OE DEH e se 9 Que Od DEN a OS s 5 Sioa SONG e exe 24 9 o d d lt lt 2040 mou x ENEILE 20 won 5 azun NON 5 atta ae 2000 Bah eat a Bera 224 92700979 Sep Nor g 246 E lt Eon 20 24 4 920090 ran ZEN oo ane Zano 250 52 RE 2440 Bo Ws 22222222 4 ad 1 2 2 EB v 5 i 8 95324138401 6 Exi D L4g lt T 10 11 2224 20 C247 BR 165 8 8 0 0 0 0 0 8 2
31. 2 8 Installing an External Parallel Printer 2 9 Installing an External Serial Port Device 2 10 Installing an External VGA Monitor 2 11 Primary Battery Pack Installation 2 13 Installing the AC Power Adapter 2 13 Initial Software Load 2 14 Section 3 Operating Instructions Introduction 3 1 Controls Indicators 3 1 Power On Off Switch 3 2 Notebook LEDs 3 2 LED Icons 3 2 Keyboard Hot Key Sequences 3 3 Windows 95 Special Keys 3 5 DOS Special Keys 3 5 Configuring the Touchpad 3 6 Using a CD ROM Drive MPB Option Only 3 6 Inserting CD MPB Option Only 3 6 Handling CDs MPB Option Only 3 6 Built In Sound System 3 7 Turning Sound On Off 3 7 Sound Software 3 7 External S
32. 53 euo nie P ord ott i 2 iad irs tt zn HEJ 459 f mM 5 s tt dois v tt gt BROT ted tt ava 574 WOO lt a tam 4 ott ATT 9 ook eed 801 2 iv sed viva 22 viv 4 ONT t 1100 ocu etay 960 901 2 q cor EAT WHO XL 00 2 ved Pot eot CACY otav ee cot E edv ted ot Onn sav ed oot Row ezd sed 4 6 sav 920 96 Sk vuv d 5 TK Row L L L red v6 4 6 k eva A 229 26 TK L z iv 29 t ik edv zd 0 06 sowa std HUN MTS BU AZ std amje pia Es BS t 9 2 5 5 N z d bee N N a a She td zoo a a r nidoe etd oes nie 1 299 4 685 Nn H 5 ttd T 4 0 08 ET oF 001 001 ed ans T 9 so L ama 406
33. 209 ozo 29 5 i REGHO_ STOR i XEM B R ki 1 1 E Vo e E T gt dao 8 E 11 22 24 112224 Figure 1 Notebook Main Board Logic Diagrams Sheet 2 of 30 Notebook Schematic Diagrams A 3 15 ag Ne eesti 5 10 10 10 10 10 1521 27 us TO 5 4 1 TOO 10 e ese ll 005 ONO Un2 Dan emp Tove e OG 3 SOEs Tone Tove 0 5 ere Tove mur 00073 SOR Dpr 2000 ew Toor ie oo SOS ean Od o Dd di pnr 025 ron 2509 Odd o Odd 00 roe Tone me TIOTO MWE J1 5 TIGS SCAS 1 OLS 709 99 IN 2 ons oe um IDs ior 1009 aono Toro cw Tore WW zii ID jw io Toss Lone 205 Oak Tore
34. 34 sin A B AVV azna 21511 5 14 21 2783 3 aw MLB321611 Y YN2 3 1421 3 KR AAD 4783 1 MLB321611 47R3 MLB321611 8 c79 C76 SC47P SC47P sca7P 47 SD5339810 6 5 RP31 SRN10K TOUCHPAD CONNECTOR LCN19 iz 18 t 2 18 SPK R1 3 E a 14 5 E lt GEDATA 14 4 11 10 ___ 18 5 _11 13 j 234 15 16 4 224 5 47 47 SD5255917 14 AUD GND SB CHANGE 19 PIN DEFINITION Figure A 1 Notebook Main Board Logic Diagrams Sheet 26 of 30 Notebook Schematic Diagrams A 27 CHARGER INTERFACE CIRCUIT i 5VSB NSE BAT ys 2 0 3 1 5VSB R253 6 2 4 9 47KR3 1 U86F 14 6 4 2 mo C351 C352 SCD1U SC1KP AD 12 _ ADV gt 23 R252 3 K SSHC14 MOLEX CON8 91424 150KR3 1 BATTERY CONNECTOR ADAPTOR PLUG IN DETECTION CIRCUIT AT SMB1 CLK SMB1 DATA CHARGER SMB 2 5 5 1 R251 22 10KR3 24 CSI CSO CHARGER HANDSHAKING 3 4 2 SIGNALS 5 6 8 7 8 1_ __ 10 ADAPT
35. Notebook contains an onboard PCMCIA Controller and two 64 pin sockets that can accept up to two credit card size 14 5 mm Type I or Type II PCMCIA option cards or one Type III card The PCMCIA Card options install on the left side of the notebook Figure 1 6 and are removed using the PC Card Release levers ______________________________ _______________ 1 8 General Description Figure 1 6 Installing PCMCIA Card Options 1 2 9 Mobile Productivity Base Option Mobile Productivity Base Figure 1 7 provides a port replicator function with separate External Keyboard and Mouse ports plus powerful desktop expansion features including a Modular Bay for CD ROM or Floppy Disk Drive and provisions for an Advanced PCI Card option These features are summarized in Table 1 4 Table 1 4 Mobile Productivity Base Expansion Features Expansion Feature Description Media Bay CD ROM Drive Reads from Audio CD Photo CD or CD ROM Media Bay 3 5 inch Diskette Drive Module Provides convenient storage on a removable disk format Advanced PCI Slot Provisions for installing one Advanced PCI Card Secondary Battery Option Provides for extended portable operation time H L a General Description 1 9 Notebook Connector Secondary Battery Audio Jacks PCI Option Slot Floppy or CD
36. auecanv ae mass _ Ed Eod oso ak p lt oL amp t 333 84854434 aue anv km x14 4 nias aue t a sio X D IT veo 1 lt 5 A 19 7 8 t ainos nias micos aios duos lt eeo od sezo 620 9vto ok IVS nidos 26 2 3 T gt zle lre lalz eal mo 99 v T 001 0136019 gt eleo set ha gt get Re gt Re wad onan 2 EIL lt NIV SL Nd 0196070 tu Figure 1 Notebook Main Board Logic Diagrams Sheet 17 of 30 A 18 Notebook Schematic Diagrams T A NI asro lt SNO 2OVAEHLNI Nrd ered WASH OKNY 01 HAMOd 0007 z
37. a8 Figure A 1 Notebook Main Board Logic Diagrams Sheet 12 of 30 Notebook Schematic Diagrams A 13 25 SB ADD DUMMY RESISTER TO U40 PIN 22 SDI0 7 4 14 15 17 19 20 25 lay 907 AD7 so 23 css ape 39 388 4 5 ADS a 8 R WS AD4 DS ADS 802 j 8575 AD2 S so 14 amp EXTRAM ADO ______ BC INTS inaa gt 20 23 7 L xi saw 22 3 3 yp vss 12 VSS 46 ro 1 DUMMY R3 BR1225 H1A BQ3285E 1 CAN32768 a ls le L L LJ 016 213 RB731U SCD1U BIOS ROM O 32 A1 AS pao 500_ AS 090 SDi 4 paz 15 rem iz SD3 NsaG 8 5 Das 1a SD4 294 19 505 sag 095 2o 506 Nsa og 48 DO 807 z3 9 pur Nsan 10 11 sai N SAIS 2a 12 031 EM A13 y U44A mE vss 46 1a 2 SB ADD 100KR3 FOR QUICK DISCHARGE 19 22 cd MEMBE 24 La0 1 OE A17 N C alz SSHC32 5128 8 150 100KR3 C226
38. 0 zv 0 tr zm er 0k H 8 86 54 ter s 2 86 it 5 or 96 36 o 96 2 ve 16 ordt euo 6 E ze 2 woe 7 TE 5 id 26 FAZ t 8 sz 88 e 8 0192 gt ee 98 i teot vStdi SC 8 SZtdt I 2 48 vidi 90 9 5 2 28 Std 9tdi 28 98 st Sztdi 0951 12 8 2211 02 98 98 6r 9 cav 8i 0295 Be 8 T rH tk 22 Sdi 9t 9 tdi T Em 8 d 99tdi tt 2 994 9 98 89 edt iSi 9 Or a 99 9 9 iStdi 89 09dt v9 9rtdt 9 vidt t 9 99 d kdl Svtdi 9 824 ridi t 49 99d1 C ove e 9 69d n See 9894 Sdt dt eav 0 82 vcl Leno 01 906 _ Bridi O bridi 891 9 61 991 bel rdi kdl bal kdl m e 88 zi 09 191 691 591 99 SSi 0 9 0 89141 5 61 51 091 199 911 Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 1 of 10 B 6 MPB Schematic Diag
39. 5 19 sna 15 ndo 405 gt Figure 4 2 Detailed System Block Diagram 4 4 Theory of Operation 4 2 2 Memory Subsystem The memory subsystem comprises the following components Main memory L2 Secondary Memory cache Flash ROM Extensa Series uses fast Extended Data Out EDO DRAM for main and video memory and high speed synchronous pipelined burst SRAM for L2 cache memory Main BIOS and Video BIOS are stored in Flash ROM Extensa 900 Series Memory Address is shown in Table 4 2 Table 4 2 Memory Address Map Address Range Definition O 000000 OOF FFF 0A0000 OBFFFF 0C0000 0E0000 OEFFFF 0F0000 OFFFFF 100000 FFFFFF FE0000 FFFFFF 640 KB memory 128 KB video RAM Video BIOS 128 KB system BIOS Extended memory 256 KB system ROM Base memory Reserved for graphics display buffer Video BIOS System BIOS System BIOS Onboard memory Duplicate of code assignment at OE0000 0FFFFF The DMA Channel Map is listed in Table 4 3 Table 4 3 DMA Channel Map Controller Channel 0 1 2 3 4 9 6 7 4 2 2 1 Main Memory The standard 900 Series notebook comes with 16 MB of Main memory installed on the Main Board Memory expansion accommodations are provided via a standard soDIMM connector on the bottom of the Main Board Assembly By installing 64 MB soDIMM modu
40. 5 1117 Io z 1 4 00105 45 L L 1 E _ 6 NX ASZd00L9S nigos 11825 19 M80 0 L8S LL x v Hd 3301 08000105 v bir SD tav 19 EN NX ASZd00L9S mu NXEASZd00198 ano anv E go vo LDIf Hd 7 82V0 4H Te 5 H InO INIT gt 51 2 N ASZd0019S so _ T ils NEASZd00L9S Figure 5 DC Board Logic Diagrams Sheet 1 of 1 MPB Schematic Diagrams B 21 45VSB MICROPHONE CN2 18 M eel 1 HE V A E CLOCK LED 4 STANDBY LED 5 NLOCK LED 6 HDD FDD LED 7 CHARGE LED 8 9 10 POWER SW2 11 COVER SW 12 POWER LED 13 14 15 16 17 MOLEX CON16 swi 1 COVER_SW 3 1 2 SW SPVE1 POWER SW2 Sw2 1 2 45V LED2 i gos 9 LED NE 1KR3 LED G NUMBER LOCK LED3 R4 CLOCK_LED 1 21 12 1KR3 CAPS LOCK 45V LED1 R1 POWER_LED 1 21 172 1KR3 LED G POWER LED LED6 F R5 STANDBY LED 1 2 1 2 q 1KR3 LED G STANDBY LED 5VSB LED4 F R6 CHARGE LED
41. 7 57 891 3N THVSVO 9 N 5 19599 ON an fh S eoa 0 ZONT ZOYA oroa 6 JAVNA OLQVWA E yoa 82 SSA 29 LLOVWA 65 m 9 sod 5 tod y zavWA travWA zt sioa t VIOVWA ssa ADA SLAVIA vi _ un nidos T 4 aan nidos 8 9 L 09 919528 TES SSA 99 i pe SVVN 9 ev 0c jv Bt SY oN NN 30 svu 9 66 syon am 9 SHHSVO 0 SYT oN SH 185 3 5 et gt e 4d m 36 eod goa j Idq8WA _ ordain vod 8 SaaWwA e SSA 8 208 mo tod zoa v m 2 vod rod Sida 050 2 SSA 0dHWA vt k ap FT ag E nidos L 09 9 496 J SSA 99 seo V sv zv Ms tVVA SVVA S ov m 92 ZVVA SVVA 521 ov gt 2 OVVA 30 Son S 9r VS aws on 6 5 BOVINA goa 6 LOYNA
42. IOCHRDY 4 4 13 14 17 19 20 25 5 BR 19 F BP FP 2000 12030 4 414 4144144445 2087338448 01234567898 p C151 C155 C159 SCD1U L sctourevl__sc1Kp 7 SB CHANGE MAX213 243 4 c62 7 SCD1U id 2 T CaL Vers i C2 v DESC scpiu 1 eb Tout X 1621 aS n 10 16 21 Dm 42 TSIN T30UT 16 21 pega OUT INA 6 21 200 16 21 32 R30UT R3IN 1 16 2023 18 R4OUT 6 21 20 RSOUT RSIN 16 21 FORCEON 14 SUSPENDE 22 FORCEOFF 21 9 INVALID MAX3243 SCD1U 1 RX35 1MR3 Figure A 1 Notebook Main Board Logic Diagrams Sheet 15 of 30 A 16 Notebook Schematic Diagrams 6L ALIALLISNES 6LXH OOYE L n AWEAGLNZZIOS nas osL gt nidos 4 nis 2919 1515 a
43. ON IDw DiS Tore One ror Toro Omn rom 2000 uu 5 PCITO PCI CONTROLLER eU2 iow Dorr Sos e INC 0022 wr One 200 2065 o 045 w 1907 oou DRE ei Tone 1 en 1 1 5 5 1521 2 2 555 9 Un2 on 2 085 ins 200 5 200 IDeo w Toor pono mon c ul i e Inom o m 4002 idem Wen Figure A 1 Notebook Main Board Logic Diagrams Sheet 3 of 30 A 4 Notebook Schematic Diagrams 5 Sire 9 1 pee parsts gt 4 2 8 1087 8 a 5 i ri 1 iH 8 81 1 E 18 8 4 1 Em EM 5 Scpiu
44. 5 3 Troubleshooting Procedures The built in self test program and the disk resident diagnostics program PC Doctor are useful tools in computer troubleshooting However if the computer has a power keyboard or display problem you must first solve this problem before running diagnostics If the computer powers up and displays messages on the LCD or emits a series of beeps skip to Paragraph 5 3 3 1 for further instructions 5 3 1 Troubleshooting a Power Supply Problem If the computer does not power up when the Power Switch is pressed you most likely have a malfunction in the power subsystem loss of power at the AC outlet faulty AC adapter discharged Battery Packs or faulty Power Supply on the Main Board With a power problem all LEDs are extinguished the LCD screen is blank the system does not respond when the suspend switch is pressed several times consecutively and no drive activity can be heard The computer is unable to load software and displays no visible signs of activity To fault isolate a power problem check the following AC adapter and Battery Plug in the AC adapter and double check all connections on the adapter and computer Ensure that the Notebook Power switch is set to the On position and that the system is not in Suspend or Sleep mode Measure the voltage at the AC outlet or plug in a known good appliance e g a lamp to verify that voltage is present If the voltage is okay try replacing the AC adapt
45. 1 98 ed z 2 LOB BZ 068 95 ejeg plz 2 LIER TILES 0 39r eu ajaa anna af 5 d lv lv lv 8 SIr z ebiso 2p 5 z Tm 38 T 38 19 13 7 t T 7 disos 559 ou RR SSSSRRASSSS d 55555555 44444444444444444444444444444444 divos i i 88 11008442888 H L Sr ONASA 41605 T NASA H 59 L SH t89 c 1 99 am chor 5 ss H T 98 11 1358 8 99 98 2 M Ste Az wayna ps n D 930 oae 29 198V9 SASQNIS pr D IN H SV m 799 EN 5 n 1 ziaow D LL ern eH XTOVOAS 2 x i Wr 2000 sans s ren 6 ic _ 2 E vow sivwoy 556305195 Sans i aou EON J e M za
46. 2 L 8 85 8 sQu 4 5 5 5 1 244 el m e T 2 E E Aot 1n lvaoa _ lt Ln a t AGLNOOLIS T dos nidos Er um L wT 2 e 9 gin L L 18 5 24001 Rot Ree 5 fa 5 Cow eo B E Rer nos p AeinooLis 2 naos DT ane 12 890 29 Pe AE Y et no 25 cs 2 62 z 91 rd SOU N ADLNOOLIS FT AQLNOOLLS 5 deo uz un 5919 nime T S Mm Ree a ars mar 9 Ex T E dob seo 0225 6925 5 nua 1 qe 07 on ma ae T ien w H3MOd Er tou Reet in ivasa Len a ein 50 00 40 5 20 5 t ___ emr T 96 ER n T n T nigos oe ETX T t te uil
47. L CP1 RO 10r 1 1U13A SCD1U U13B 4 cud 4 d 2 CBSRLAY 7SSHC04 7 SSHCO4 LVC VHC OR LCX LCD I F CHIP CAPACITOR Figure 4 MPB Board Logic Diagrams Sheet 4 of 5 MPB Schematic Diagrams B 19 HO IIMS ADVLIOA ee 0 1 0 0 L 0 EL L 0 1 0 0 1 0 ae HMdd3T 709 1 709 4 gc 5 or t t 010495 9 10 98 i 89 55 25 zs AEE L a v1 g us 9 IS NICE 9 2 NIAS 99 niodos nidos ASTNOLSS nidos 29 125 525 Svo en 0 al mee 6 dNogou 8 8 E v 0049 fitaos ANOIS 1 0199 L 922 259 5 Dies pol M L m i 0 26 r 88 nidos amp AQLNOLOS AQLNOLOS niaos A 99
48. Pinouts Use the following procedure to install an external monitor 1 Turn off power to both the notebook and monitor 2 Connect the 15 pin external VGA cable from the monitor to the VGA connector on the notebook computer Figure 2 9 or MPB Figure 2 4 3 Power up the notebook computer first then turn on power to the monitor 4 Setup the notebook display mode for LCD only simultaneous LCD and CRT or CRT only under Windows 95 select the Change Display Utility under 2 12 Installation Windows Workgroups use the WinMode Utility 5 Install the correct driver if required refer to the Monitor Installation Instructions supplied by the CRT vendor 2 5 Primary Battery Pack Installation 1 Turn off the computer and disconnect the AC adapter if attached to the computer 2 Unlatch the end locks by pushing the endcaps outward with your thumbs 3 Align battery connector to connector on notebook and insert the battery pack into the battery compartment then push the battery in completely until you feel the contacts engage 4 Relatch the battery locks on both ends of the battery Unlock Battery Pack Remove Battery YR from Front of Notebook If Battery Lock comes off reinstall as shown Figure 2 10 Notebook Battery Removal Replacement 2 6 Installing the AC Power Adapter Use the following procedures to connect the AC adapter to the system Caution Use only the AC adapter supplied with t
49. 9 Replacement is the reverse of Steps 1 through 8 Field Service 6 21 1 Remove keyboard and Heat Sink Assemblies 3 Unplug Speaker Connector CN19 an remove screws at fc corners Remove four Screws at Bottom of Main Unit 4 Beginning at left side unsnap top cover from base assembly Figure 6 15 Removing Replacing the Top Cover 6 22 Field Service 6 5 11 Removing Replacing the Video Board To remove and replace the VGA Video Board Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the Display Assembly as described in Paragraph 6 5 7 goes dq Remove two screws and unplug the VGA Video Board from the Main Board as shown in Figure 6 16 6 Replacement is the reverse of Steps 1 through 5 1 Remove Keyboard Heat Sink and Top Cover Assemblies Remove Two Screws and Unplug VGA Board from Main Board Figure 6 16 Removing Replacing the VGA Video Board Assembly NENNEN Field Service 6 23 6 5 12 Removing Replacing the Power Supply Board remove and replace the Power Supply Board Assembly use the following procedure 1 Turn off the co
50. Figure 6 1 Extensa 900 Series Assemblies 6 4 1 Cover Display Assembly The Cover Display Assembly shown in Figure 6 2 contains the LCD screen DC AC Inverter Board DC DC Inverter Board bezel LCD cover and various other components as listed in Table 6 1 6 4 Field Service DC AC Inverter Board Assembly S large PWB LCD Assembly Latch Securing Inverter Boards LCD Inverter Board smaller PWB Figure 6 2 Display FRUs Table 6 1 Top Cover Assembly Field Replaceable Units FRUs FRU Description Assembly TI Part No Disassembly Paragraph PWB INVERTER DSTN EXT 90X 6 5 19 9813635 0001 BEZEL DISPLAY DSTN 12 1 EXT 90X 6 5 17 9813636 0001 LCD PANEL DSTN 12 1 SHARP EXT 90X 6 5 18 9813637 0001 DISPLAY ASSY DSTN 12 1 SHARP EXT 90X 6 5 7 9813638 0001 CABLE DISPLAY DSTN FJ EXT 90X 6 5 7 9813678 0001 PWB INVERTER TFT EXT 90X 6 5 19 9813639 0001 BEZEL DISPLAY TFT FJ EXT 90X 6 5 17 9813640 0001 LCD PANEL TFT 11 3 FJ EXT 90X 6 5 18 9813641 0001 DISPLAY ASSY TFT 11 3 SHARP EXT 90X 6 5 7 9813642 0001 CABLE INVERTER WIRE 12P EXT 900 6 5 19 9813680 0001 Field Service 6 5 6 4 2 System Base Assembly As shown in Figure 6 3 the System Base Assembly houses a variety of field replaceable subassemblies and components The various assemblies and reference paragraph numbers containing removal replacement procedures are listed in Tab
51. Id 2641 05 i SSAS i L i 66AV8 niaos i exo L _ z cmm y 1 9900206 mao st a L SSAS SSAS 2 E z E n i 2400 2 2 8H z neay 200 OHOS A AS SURGE v NO d EV 2 5018 9 gt 4 1 am 1 t v 1 839625 8 vas 6 5 108 zv 0 SSAS 1 asa 5 994 ov ein 2 2 2 v 1nolvaoa 1101 E 901d 1019 990 5 1 n n A 822 Rot OZNNOO X3T1ON 2 ya l c aoe 0 TINd 33159 NI x va ar H Hi ipee 01 S 1V8 i 193148 3AV 1S 831SVW 3 FM SPE BS yas 8 m 6 o oz 2
52. e duos T r r HITO te TD maza 990 L euse sozu ao i a VERB ele T d t awocane 1 oe m or tt t ex z aun t AMIEAS LIES Rx Az NERS anyan ane 2525 t emi A9LnoLos doo EE LAHA r ompar m ven AWEASLNZZdOS 1228 was orane qwe t NITH OINC CE 9070 ou oan awe anv auo e 7 900126 i 5i z I 5 2220 Hd EN pnr os t wast onan vloHsS asen if D ME 1279 LAHA A SINO d AAS any 9 tt k erani Hosein nos Ld EE L i aios t f T Roe t m 2 on 4 NAKOGLLNHS eoz lt 4 Lt L HAAOLNOOLLS 8M Finom t p poe n Ae ane discat 42 E ii 25 LAHA wT N
53. way other than as described in this manual Always charge the battery pack as soon as possible after a low battery indication 6 2 Field Service 6 2 4 Password Caution notebook computer can be password protected to prevent unauthorized use However if the password is lost the notebook must be returned to the Texas Instruments manufacturing facility in Temple Texas U S A to restore access This service is not covered by warranty 6 3 Required Tools and Equipment Extensa Notebook corrective maintenance procedures can be performed using the following tools Tweezers Plastic Stick Small flat blade screwdriver Small Phillips screwdriver 5 mm Nut Driver Caution All boards options and peripherals contain components that are sensitive to static electricity When handling any of these items protect against static electricity by using wrist grounding straps and grounded working mats When moving or storing items use the anti static bags supplied with the items 6 4 Notebook FRUs Table 6 1 lists and describes the various for the Extensa 990 Series As shown in Figure 6 1 all members of the Extensa 900 Series Notebook Computers contain two major assemblies Notebook Assembly Cover Display Assembly Base Assembly Mobile Productivity Base Assembly Field Service 6 3 Notebook Assemblies Cover Display Assembly Base Assembly Mobile Productivity Base Assembly
54. Any device that uses RS 232 interface Note Refer to Figure 2 4 for port assignments if using the MPB option Caution Never connect a parallel device to a serial port or a serial device to a parallel port or video port this may cause damage to the notebook and or external device If you are uncertain of what type connector the external device has refer to the technical manual for the external device SERIAL PORT PINOUTS 2 2 SIGNAL DCD CARRIER DETECT RXD RECEIVE DATA TXD TRANSMIT DATA DTR DATA TERMINAL READY GND GROUND DSR DATA SET READY RTS REQUEST TO SEND CTS CLEAR TO SEND RI RING INDICATOR 1 2 3 4 5 6 7 8 9 Figure 2 8 Serial Port Pinouts 2 4 5 Installing an External VGA Monitor The notebook and optional MPB contain an external CRT port that can drive one of a variety of monitor resolutions and colors as summarized in Section 1 The associated connector location and pinouts for the notebook are shown in Figure 2 9 Note Refer to Figure 2 4 for port assignments if using the MPB option Installation 2 11 EXTERNAL CONNECTOR PINOUTS SIGNAL DIRECTION RED VIDEO OUTPUT GREEN VIDEO OUTPUT BLUE VIDEO OUTPUT NOT USED GROUND RED RETURN INPUT GREEN RETURN INPUT BLUE RETURN INPUT NOT USED GROUND NOT USED HORIZONTAL SYNC OUTPUT VERTICAL SYNC OUTPUT NOT USED Figure 2 9 External
55. D 6 3 PS 2 USB CONN amp USE GATE 5 S L GND SOHCT74 R26 2 Figure MPB Main Board Motherboard Logic Diagrams Sheet 9 of 10 B 14 MPB Schematic Diagrams bdl E lt 9951 9921 7 md 6821 8821 ee 2 CE lt mm 6 1d z 9 21 S 2 5421 2 gt sq 30f 52 021 8921 921 9921 21 5921 0921 6921 8521 a 9521 5521 72 6921 uu lt 2 lt zu sawvud lt a A lt gig sav D lt 2 lt ozay lt 2 e lt 82 lt 4 821 E lt 9 lt NO HSVM bdl 9 lt m ZELL bdl lt wg kdl lt bdl a lt bdl m lt
56. Input Current Approximately 1 5 Amps Input Frequency 50 to 60 Hz 4 2 12 Mobile Productivity Base Interface Notebook M1521 M1523 1130 Advanced 0643 DPCIRST gt 10643 PCICLK2 RDATA WDATA Figure 4 5 MPB Interface Diagram Theory of Operation 4 25 Troubleshooting Procedures 5 1 5 2 Introduction This section provides an overview of the fault isolation process provides guidelines for isolating 900 Series computer malfunctions to replaceable subassemblies and provides instructions for executing diagnostics and interpreting error messages Overview of Fault Isolation Process The fault isolation process summarized in Figure 5 1 consists of the following steps Checking the Notebook power system including battery packs and AC adapter connections refer to Paragraph 5 4 Checking Switch settings ensuring Power is and notebook correctly configured Pressing the Shift key to ensure that Notebook is not in Suspend mode Verifying if computer is configured to boot from the A Drive or C Drive Checking LCD brightness adjustment press Fn Up Arrow keys to increase brightness Ensuring that computer is not set for external monitor press Fn F12 to select internal screen Undocking from the Mobile Productivity Base if installed and running diagnostics to isolate problem to either the base or the notebook Reco
57. 022H post 18742 Test FAR 032H post Compute Speed FAR 034H post Cmos Test FAR Optimize chipset timing Optimize other hardware Adv Config post Adv Reg Config OPTIONAL Initialize interrupt vectors Make sure ROM copyright notice is intact Check for configuration errors Initialize the video Shadow the video Display the copyright notice Display the CPU type Initialize EISA bus Set segment limits back to 4GB PCI code may have changed them 042H post Vector Init FAR 046H post Copyright Check FAR 047H pci Op Rom Init 049H pci Init 048H post Config Check FAR pci Video Init 04CH cs Video Shadow Config 024H postSetHugeESJ Test and initialize the keyboard Check for unexpected interrupts Display prompt Press F2 to enter SETUP 052H post KB Test FAR 054H feat Setup Keyclick OPTIONAL FAR 076 post Keyboard Test FAR O58H post Hot Interrupt Test FAR Initialize QuietBoot if it s installed Note Both the keyboard and timer interrupts IRQO and IRQ1 are enabled here Also interrupts are enabled here and run through the end of POST If your POST task requires interrupts to be off please preserve them by doing a PUSHF CLI at the beginning and a POPF at end If you change PIC please preserve existing bits Display the copyright notice Display the CPU type Initialize EISA bus C 2 POST BIOS Display pr
58. 06061 01 061 oray ziav zu M etay kdl al 5021 e reel 0 21 HVd 601 SI ae 1 91 011 33 801 arse 084 ddA HSV14 4 L J30r zu 90 usd 2021 treet 135430 501 mm AGI p vor HAGEL zaa AEE 201 mex 10 1 URN oor sav 20601 5109 22 56 erav bed fa izay 86 ay 0021 d 5 eias WHO 0181 96 mm E v6 9651 20 56 14 Suv 60891 Leay 16 Jv 1 06 o iNo zvest t n 1 91 a EE UND IN OKL 338A 98 vivam ONT A ort 861 0 4 58 n I OW AZ 8 59844 Ae et 8 HH Az APT ort pute 33H AZ WIE AZ i mm P DTE 04 08 0 ut eu mo 044 SAN zn ort d 04 EAN NA Af 0 46205 4659 NO ri E 1 eni i Sio Eos 011 SA ZK 82 nidos 1 mos 4 ort SK Dpr op 269 1 ori A ez ZA oii 89241 re
59. 1 d 7 0 DICUNI 5 _ 45V 1KR6 11 E 1 j 4 Te a 15 ab i ne fo 2 scp1u ne 119 SCHOKE D 3 LL ow HRS CONN20D SB 1 hem AUD GND cas 1 sc100P R100 1 2 n sokra SV 2 2 AUD GND DK SOUND L TP329 M psz 20KR3 1 TP328 da 2 LINE OUT L OUT A pose bs 8 INB ST47U10VDM somm 2 d TP330 20KR3 7 TP333 zd FUR LINE OUT R BYPASS OUT B i DK 5 ST47U10VDM SHUTDOWN N p C81 D sci AUD R99 1 2 S6KR3 Tu sc100P MPB DC B D CONN Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 4 of 10 MPB Schematic Diagrams B 9 Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 5 of 10 B 10 MPB Schematic Diagrams HOLIMS
60. 100KR3 4 MUSIC 14 2 19 ZsoLcx125M Figure A 1 Notebook Main Board Logic Diagrams Sheet 7 of 30 A 8 Notebook Schematic Diagrams m eme z tt Tt germ et ES t saana E Sexe ciae i Sn e TENO is gt ee PIHS 2 Qu nidos 22 vin L an sqzenvo ASH ake tN ide aen i divos cus mir D vere o4 lt WERT Da wien D p HIOL _ ecu lt Wer ven 264 pr Fu WR ZHAO E 21 2 t i 1 5 i E ZANOS L eC GERM euce
61. Ret of od 3 52 24 e IDs 24 1558 td 5 ST T 8 400155 A LL ae 8 0 d ES T mito Rot LHOd 1 5 Notebook Schematic Diagrams 17 Figure A 1 Notebook Main Board Logic Diagrams Sheet 16 of 30 VASE OKINY OL 96 awe oi 2 0 06 AWEASLAZZOOS 4 sor LNs naos extol pd E 1 11 d anv von 2 suo L waSt _ vasi ora
62. These features give direct sound generation and recording capability in the system 3 5 1 Turning Sound On Off To mute or restore sound press the following keys Fn PgUp Turns mute On Off 3 5 2 Sound Software The computer has pre installed sound support utilities in the AudioRack32 group These include AudioRack 32 Audio Recorder Operating Instructions 3 7 3 5 3 External Sound Equipment You can improve the quality of sound production and increase convenience by connecting external sound equipment The computer has the following jacks for connecting to external sound equipment Microphone Input Stereo Headphone Speaker Line Output Stereo Line Input 3 6 Using Remote Connections computer can send and receive e mail surf the Internet connect to one of the online services or share files with other office employees The Extensa communicates with the outside world in one of the following ways Over a telephone line using a PC Card modem installed in the computer Over a network using a network adapter Note You can purchase compatible modems and network adapters from your dealer or directly from Texas Instruments 3 6 1 Using the Fast Infrared FIR Port FIR port located on the rear of the computer offers wireless communication with other Texas Instruments notebook computers or a variety of IRDA compliant devices Without a physical connection you can print remotely trans
63. inactivity you can reduce energy consumption even further by pressing either Fn F3 Suspend or Fn F4 Standby as soon as you no longer need the computer to be active Pressing 4 Standby turns off the screen Pressing Fn F3 Suspend turns off the screen stops the hard disk drive and reduces energy usage to the lowest level possible without turning off the computer Pressing the Shift key resumes activity after the notebook has been in either the Suspend or Standby modes 3 8 3 Responding to a Low Battery Condition When you are operating the computer on battery power and the charge remaining is down to between 1096 and 209 the battery low indicator blinks and an audible alarm sounds When this happens you should take the following actions to conserve battery power and reduce the possibility of data loss Saving files Save all open files frequently while the computer is in a low battery condition Turning off the alarm Turn off the audible alarm by pressing Fn End Mute Reducing screen brightness Reduce screen brightness by pressing Fn Connecting the AC adapter If you have access to AC power connect the computer to the AC adapter You can do this without turning off the computer Suspending operations Press Fn F4 to put the computer into suspend or Standby mode whenever you are not actively using the computer Press the Shift key to bring the computer out of Sus
64. try cycling power to the computer Also press Ctrl Alt Esc to ensure that the Setup configuration is correct In general most of the 5 8 Troubleshooting Procedures failures are associated with the Upper and Lower Electronics Boards may require board removal replacement Try running PC Doctor Paragraph 5 5 if possible to verify the source of problem Table 5 3 Self Test Beep Messages Beep Code Description Failures 1 Long 2 Short Horizontal Retrace Failed 1 Long 3 Short DAC Test Failed 1 Long 4 Short Monitor Sense Failed 1 Long Five Short Vertical Retrace Failed 1 Long 6 Short DVideo Memory Test Failed System Failures 2 Short Battery Low 1 3 Short Battery Low 2 5 3 4 Run Time Error Messages In the event of a hardware software error that occurs after completion of POST the error messages listed and described in Table 5 4 may occur D a Troubleshooting Procedures 5 9 Table 5 4 Run Time Error Message Troubleshooting card parity interrupt at Memory on peripheral card Check the memory cards address Type S hut off NMI has failed installed in the system R eboot other keys to continue Memory parity interrupt at A memory chip s has failed Check the memory on the address Type S hut off NMI system board R eboot other keys to continue Unexpected HW interrupt Hardware problem Not Check all hardware
65. x o e ova 1 4 3 E a srani x x st M X x 9 9 ion ia L8 m5 9 x A ae w owe ga 8 2 Lu oe Se gt E ROTE 8 bg oo 90 10t Dod PR 1 2095 07 LL e rA i 0 Off EE m 000 610 sumo 9 eo T 140 99 9ct _ amp 1945 9 4001 9 810 reor 4 ret oro I US rr em 8 get p 534 89 etom vols wm Lert aly Ol 29 WAHS 04 Ra DN ns 83 E ost 95 pua ind Eo nio ay gU ha Sine PHM 46695 SY d J 9 14 SYM ela sey mods UY fido 5 d ay SERO
66. 1 1 eos D 1 1 1 RH R4 a D om ons TH301 2 D D 2 1 D CPU THMG F 1 D FOR SHIGA Not Installed SHIVA NOT INS LI CPU THM D SHIVA D SHIGA D SHIGA D p o usou ea fares ee 0 0 CLOCK RATIO i gu Row d e ela e a J bou uou LI LI LI LI LI Da 50MHz x o x o X15 CLK CONV P RST 20 X 4 X X D E oy GND 66MHz X X25 051620 ou a Me Seite ve eh O18 m O Install X Not install EQ SHIVA 3 SHIGA NOT INS vo SCDiU C24 2 cs scD1U scD1U scD1U 4 SHIGA NOT INS D THERMAL SENSOR Figure B 1 MPB CPU Board Logic Diagrams Sheet 3 of 3 B 4 MPB Schematic Diagrams CLOSE BATTRY CONN CN1 CN2 5D C2 22 4 SC1000P50V3MX 59 SC1000P50V3MX WOLEX CONS SC1000P50V3MX C1 SC1000P50V3MX C5 C6 SC1000P50V3MX SC1000P50V3MX Figure B 2 MPB Battery Board Logic Diagrams Sheet 1 of 1 bO e s
67. 1 2 1 52 1KR3 CHARGING LED kd LED5 R2 HDD FDD LED 1 21 1KR3 HD FD CD LED Figure B 6 MPB LED Board Logic Diagrams Sheet 1 of 1 B 22 MPB Schematic Diagrams 5 1 Introduction This section contains a listing of the POST BIOS calls for the Extensa 900 Series Notebook Make sure we entered POST in real mode Determine the CPU type Convert all segment limits to 4GB 002H post Verify Real Mode 004H cpu Get Type J post Hardware Initialize 024H postSetHugeESJ Initialize the chipset Set the in POST flag Autosize the RAM Clear the base RAM Test the base RAM Autosize the cache Shadow the BIOS 008 Initialize 011 post Reg Initialize J OOEH io Initialize OPTIONAL OOCH cache Initialize 016 post Checksum Test O18H post Timer Init 017 cache Pre Ram Auto size OPTIONAL 028H cs Ram Auto size cache Auto size O2AH post Zero Base Ram O2CH post Real Address Test post Base Ram Test O2FH cache Pre Sys Shadow OPTIONAL 038H cs System Shadow Config 020H post Refresh Test FAR post Set In Post Flag FAR OOAH cpu Initialize OOBH cpu Cache On OOFH fdiskInitializeJ 010H pmlnitializeJ OPTIONAL 014 post 18742 Init FAR POST BIOS C 1 post InitJ FAR 1 post Reset Test the keyboard controller Compute the CPU clock speed Test the CMOS RAM
68. 12V power GPIO10 1 Disable FIR VCC W R 0 Enable FIR VCC GPIO27 1 CPU high temperature R 0 CPU low temperature GPIO26 1 notebook s SMBUS is accessible W R 0 MPB s SMBUS is accessible GPIO25 1 Brightness level is fixed W R 0 Brightness is trimable via GPIO22 amp GPIO20 The current brightness level is stored when PIO25 low to high transations GPIO24 For DSTN LCD only W R 1 Contrast level is fixed 0 Contrast is trimable via GPIO22 amp 20 The current brightness level is stored when PIO25 low to high transations GPIO23 1 Normally 0 Ready to transations GPIO22 The Brightness amp Contrast for LCD system is devided into 32 scale by programing GPIO22 amp W R GPIO20 1 Brightness is incremented with GPIO23 L and GPIO20 high to low transations Contrast is incremented with GPIO24 L and GPIO20 high to low transations 0 Brightness is decremented with GPIO24 L and GPIO20 high to low transations Contrast is decremented with GPIO23 L and GPIO20 high to low transations GPIO21 The system provide a serial BUS while wired to Inverter ROM notebook s Charger ROM MPB s W R Charger ROM and Uma s dock ROM GPIO21 is the serial DAT and 20 is the serial CLK Theory of Operation 4 23 Table 4 5 M6377 GPIO Port Definitions Continued GPIO20 GPIO20 is the common CLK for below serial BUS W R A For Charger ROM Inverter ROM MPB ROM serial BUS B For
69. Brightness amp Contrast control C For Feature board GPIO37 GPIO37 is serial DATA for Feature board serial BUS and GPIO20 is the serial CLK W R GPIO36 1 Normally W R 0 Disable MPB power GPIO35 The system use 3 wire BUS to communicate with thermal sensor DS1620 These functions are GPIO34 shown as below GPIO33 GPIO35 1 Enable DS1620 W R 0 Disable DS1620 GPIO34 is CLK for 3 wire BUS GPIO33 is DATA must be valid during the rising edge of CLK GPIO34 2 1 Normally W R 0 System into STANDBY mode GPIO31 1 Enable 1394 power W R 0 Disable 1394 power GPIO30 1 Go to 5V suspend W R 0 Normally SE12 1 Normally W 0 Disable notebook s OP amplify SE11 W Reserved SE10 W GPIO7 1 Media bay switch is unlocked 0 Media bay switch is locked GPIO6 1 is connected 0 is disconnected GPIO2 1 No FDD connected 0 FDD connected GPIOI 0 No 2 channel IDE device connected 1 2 channel IDE device connected GPIO0 1 Parallel port connected with FDD while the parallel port SMI occured 0 Parallel port connect with printer 4 24 Theory of Operation 4 2 11 2 AC Power Adapter The computer is equipped with a universal AC power adapter that converts AC voltage into DC voltage approx 46 Watts of power used to operate the notebook and charge the batteries The specifications for the AC adapter include Input Voltage 100 to 250 VAC
70. Converter Figure 6 30 Removing Replacing the MPB DC DC Converter Board Field Service 6 37 6 6 7 Removing Replacing the Main Board Assembly To remove and replace the MPB Main Board Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Using your thumbs unlock the two battery locks at each side of the MPB refer to Figure 6 26 pull the battery pack out of the MPB 3 Remove the MPB Housing as described in Paragraph 6 6 3 4 Remove the MPB Docking Cable and Docking Mechanism as described in Paragraphs 6 6 4 and 6 6 5 5 Remove the screw that secures the DC DC Converter to the bottom section of the MPB housing and remove the DC DC Converter 6 Remove the DC In and Battery Charger Cable Connectors 13 and CN10 7 Remove the 12 screws that secure the Main Board to the bottom section of the housing Then pull up on the main board and remove it from the unit 8 Replacement is the reverse of Steps 1 through 7 Main Board Assembly Figure 6 31 Removing Replacing the MPB Main Board Assembly eC 6 38 Field Service Notebook Schematic Diagrams 1 Introduction This section contains schematic diagrams for the Extensa 900 Series Notebook Computer Logic schematics for the Mobile Productiv
71. E NNOO 95 z 28 EL L aon L H3TIOHINOO iz d 2 nas Kor veco d sow of C NFav 1619 oz H 00L t L vLIDHSS 1 PLLOHSS 3 3 no eoru agi 4 T 4 62 02 01 6 d d 8 Eg 4 8 Lx AOVAYALNI SINNSSAY GNAdSNS Figure A 1 Notebook Main Board Logic Diagrams Sheet 23 of 30 Notebook Schematic Diagrams A 24 Faos F nidos T SIS 6620 620 zo 6920 0620 9225 Tid dr taa staar Row Rot a sar 3 SS eyo PN
72. Hard Disk Drive Disk Storage Capacity 1 35 GB or greater Average access time 12 ms or less Throughput 11 Million l O s per second DRAM Memory Size 16 MB DRAM 60 ns page interleaved 80 MB Maximum Expansion Size Flash ROM 256 KB FDD External Disk Storage Capacity 1 44 MB Disk Size 3 5 inch disk Drive Height 12 5 mm Mode Choice of 720 KB 1 2 MB or 1 44 MB CD ROM Drive Available with Mobile Productivity Base option LCD Display 12 1 inch DSTN SVGA or 11 3 inch TFT SVGA Software Dual Load Internal Keyboard 86 87 key PS 2 and AT compatible Embedded Numeric Keypad Key Travel 3 mm Built in Mouse Device Touchpad built in to the base of the keyboard select buttons on sides of Touchpad 1 14 General Description Table 1 5 Extensa 900 Specifications Characteristic Model 900 Series Specifications Video Subsystem LCD Aspect Ratio 1 1 Emulations SVGA Video Memory Size 1 5 MB Video Bus 32 bits LCD Resolution 640 x 480 pixels bit mapped at 256 colors 80 LCD Characters Line 25 LCD Lines Screen Function hot key brightness and contrast control and SimulSCAN LCD Brightness Control control External CRT Monitor Interface Connector Type 15 Pin female D type connector Monitors Supported 640 x 480 with 16 7 million colors on CRT 800 x 600 with 65K colors on CRT 1024 x 768 with up to 256 colors on CRT LEE ___________ ____
73. NS87338VJG Super I O Controller and the associated peripherals 4 2 7 1 NS87338VJG Super I O Controller The PC87338VJG is a single chip solution for most commonly used I O peripherals in ISA and EISA based computers It incorporates a Floppy Disk Controller FDC two full featured UARTs and an IEEE 1284 compatible parallel port Standard PC AT address decoding for all the peripherals and a set of configuration registers are also implemented in this highly integrated member of the Super I O family Advanced power management features mixed voltage operation and integrated Serial Infrared both IrDA and Sharp support makes the 87338 an ideal choice for low power and or portable personal computer applications The PC87338 FDC uses a high performance digital data separator eliminating the need for any external filter components It is fully compatible with the PC8477 and incorporates a superset of DP8473 NEC PD765 and N82077 floppy disk controller 4 14 Theory of Operation functions popular 5 25 inch and 3 5 inch floppy disk drives including the 2 88 3 5 inch floppy disk drive are supported In addition automatic media sense and 2 Mbps tape drive support are provided by the FDC The two UARTSs are fully 516450 and NS16550 compatible Both ports support MIDI baud rates and one port also supports IrDA 1 0 SIR with data rate of 115 2 Kbps IrDA 1 1 MIR and FIR with data rate of 1 152 Mbps and 4 0 Mbps respectively and Sha
74. UP TO 5 5 61 B_SMB_CLK 20 SMB 305 62 pas RESET 20 spa DUMMY R3 64 004 235528813 OS lt gt 239076743 PA2INTI 21 26 BErBhNBBN QQQRDSAVEXXTTFFT 1 210 O KDD43102 RX0S M38813 20kR3 1213145671890 1133458 SB ADD IRQ1 PULL UP 302 KBCLK ON Passwonp ENABLE Sha r T EY d Do 18012 5 OFF pisaBLe 1OR 21084 20 re 41842 MATRIX1 KB TYPE 13 LANYKEY 23 21381 0 PS2DATA SB 5 CHANGED TO 5VSB PS2CLK 1 TYPE 1 21 26 see 1 U25A 4 RX26 1 2 A MB1 DATA 27 47083 19 SMB SEL 1 0258 4 RX27 n gt TAA gt 27 47083 21 5 KBC 5V u2sc 1 4 3 T U61F 4 5 30 64066 13 12 1 0250 SSHC14 4 1 1 SMB SEL 1 SELECT SHIVA BATTERY R68 100kR3 SEL 0 SELECT UMA BATTERY 6 SOHC4066 ELCO CONN8 Figure A 1 Notebook Main Board Logic Diagrams Sheet 14 of 30 Notebook Schematic Diagrams A 15 SUPER I O CONTROLLER
75. Unlock the battery on each side of the notebook and pull the battery out of the front of the notebook as shown in Figure 6 6 3 Replacement is essentially the reverse of Steps 1 and 2 connector side of battery goes up NENNEN Field Service 6 11 Unlock Battery Pack Remove Battery from Front of Notebook If Battery Lock comes off reinstall as shown Figure 6 6 Notebook Battery Removal Replacement 6 5 2 Removing Replacing PCMCIA Options The procedure for removing and replacing the PCMCIA options is as follows 1 Turn off the computer and remove the battery pack s as described in Paragraph 6 5 1 2 Press the upper card eject button to eject the upper card lower button controls the lower card and use both buttons for Type III devices 3 To replace the PCMCIA device remove any filler cards present and insert the device Reinstall any external cabling required for the device 6 12 Field Service Figure 6 7 Installing Removing PCMCIA Options 6 5 3 Installing Removing the Mobile Productivity Base The procedure for removing and replacing the Mobile Productivity Base assembly is as follows 1 Power down the notebook and disconnect the AC adapter if installed 2 Slide the lever release latch to the front of the MPB to release the docking lever refer to Figure 6 8 3 Swing the Docking Lever outward a full 90 degrees from the side of the MPB Field Service 6 13 Undocking Lever Lever Releas
76. bus interfaces are designed to interface with and 5V buses It directly connects to CPU bus or 5V tag 3V or 5V DRAM bus and 5V PCI bus 4 2 3 1 1 Features of the ALI M1521 Supports all Intel Cyrix AMD 586 class processors with host bus of 66 MHz 60 MHz and 50 MHz at Supports M1 K5 Dakota CPUs Supports linear wrap mode for M1 Supports asynchronous pipeline burst SRAM Write back dynamic write back cache policy Built in 8K 2 bit SRAM for MESI protocol to cost and enhance performance Cacheable memory up to 512 MB with 11 bit tag SRAM Supports 3V 5V SRAMs for tag address Supports FPM EDO BEDO SDRAM DRAMs RAS lines 64 bit data path to memory Symmetrical asymmetrical DRAMs or 5 DRAMs Duplicated MA 1 0 driving pins for burst access No buffer needed for RASJ and CASJ and MA 1 0 CBR and RAS only refresh Supports 64M bit 16M 4 8M 8 4M 16 technology DRAMs Supports programmable strength MA buffer 9 Supports error checking and correction ECC and parity for DRAM 4 8 Theory of Operation Supports the most flexible six 32 bit populated banks of DRAM to spare 12 MB for Windows 95 Supports SIMM and DIMM UMA unified memory architecture Dedicated UMA arbiter pins Supports several protocols from major graphics vendors SFB size 512 KB 1 MB 2 MB 3 MB 4 MB CPU could access frame b
77. eon 1 soa 8 OLOVWA pod gt SQVWA LLOVWA 88 ssa 3 68 ZIGVWA 9 YLOYWA LQVWA ssa OQVWA zn nidos OOAINVHA Figure 4 MPB VGA Board Logic Diagrams Sheet of 5 B 18 MPB Schematic Diagrams 77 2 1 R 2 80 1 by R13 Hsc um L3 1 ZFS 2 1083 815 78 1 Ly RO pes 2 77 1 2283 76 R3 STC222B 22R3 75 1 1 2 1 s R2 73 E R4 V 5 47 R5 12 m SB 1 r Fit E End OU R6 70 1 142 5003 69 1 Lis SUD2 68 000 67 15 66 SUD1 66 716 SUD7 64 406 om 5004 V 005 62 719 61 1 Lat 1 2 1 _ TOM 223 2000 12 103 2 28 2 PUP Ts 5675 i m 2102 26 01792 E 45V 53 1 128 00 R14 52 1 5 4 2 2248 MoD 51 1 1 R1 50 1 22R3 dd 132 LCDVEE 1 LCDPWR A0UKRS R16 48 34 2 46 735 LCD 3 5Vit 736 LCD 3 5 5 7 736 SEC MS 44 138 4 1 42 71 C26 4 740 SC10U16V SCD1U JAE CONNB0C T 43 3V 7
78. eu i LLLNV 58 015 334888 ay LYONYN ez ui ve X wonsns D T m x vao aw 23 Lo f sm OdA NAZE m m mno ob ERIS NWN EE TEOSIW ZHONVN One er lt 20098484 22 6 As sicon 4ndand 454499349 9999 2 L 2 d d E p MEETS Ao erez sspe et CAAT 319158 lt run AS se cont Figure A 1 Notebook Main Board Logic Diagrams Sheet 20 of 30 Notebook Schematic Diagrams A 21 8 8 RAR a ELEV l 2 19 55503888535 322939 22993222
79. following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the Display Assembly as described in Paragraph 6 5 7 Remove the four screws that secure the PC Card Module to the Main Board refer to Figure 6 19 Replacement is the reverse of Steps 1 through 5 PC Module Main Board Assembly Figure 6 19 Removing Replacing the PC Card Module 6 26 Field Service 6 5 15 Removing Replacing the Main Board Assembly To remove and replace the Main Board Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the Display Assembly as described in Paragraph 6 5 7 Remove the Top Cover Assembly as described in Paragraph 6 5 10 Remove fourteen screws from the bottom assembly as shown in Figure 6 20 Remove the top cover as described in Paragraph 6 5 10 Remove the M
80. if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the screw securing the CPU Board to the Main Board and pull up to remove the board from connector J1 Replacement is the reverse of Steps 1 through 4 Remove Keyboard and Heat Sink Assemblies 2 Remove screw and Cable Connector at J1 Figure 6 14 CPU Board Assembly Removal Replacement 6 20 Field Service 6 5 10 Removing Replacing the Top Cover To remove and replace the Top Cover Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the Display Assembly as described in Paragraph 6 5 7 Remove four screws from the bottom of the base assembly Turn the base assembly over and remove Touchpad Speaker connector CN19 A Remove four screws from the four corners of the top cover Figure 6 14 8 Beginning from the left side of the unit unsnap the top cover from the base assembly
81. menu Application key Table 3 3 Hot Keys Available on Attached External keyboard Function Key Sequence System Setup Ctrl Alt F1 OV Suspend Ctrl Alt F2 5V Suspend Ctrl Alt F3 LCD CRT Toggle Ctrl Alt F12 Speaker Toggle Ctrl Alt S 3 4 Operating Instructions 3 2 4 1 Windows 95 Special Keys Pressing the Windows Logo Key acts as the Start button Pressing this key in combination with other keys performs special functions Table 3 4 contains several examples of using the Windows 95 special keys Table 3 4 Windows 95 Special Keys Hot Key Function Windows Logo Key Tab Activates next Taskbar button Windows Logo Explore my Computer Windows Logo Key F Find Document Windows Logo Minimize All Windows Logo Display Run dialog box Pressing the Application Key displays the context menu for an application This is the same as clicking the secondary right mouse button Please refer to your Windows 95 manual for more information on these Windows 95 specific keys and their functions 3 2 4 2 DOS Special Keys Table 3 5 contains a list of the DOS special keys Table 3 5 DOS Special Keys Hot Key Function Ctrl Pause Stops a command or application primarily used to stop the screen from scrolling pressing any other key resumes the execution of the command or application Shift Prt Sc Sends the contents of th
82. or mouse Replace the motherboard PCMCIA card does not work Check the PCMCIA driver installation for any IRQ or I O address conflicts Check if the PCMCIA card is inserted properly and all connections are set Replace the PCMCIA card Replace the motherboard Mouse doesn t work _Check if PS 2 mouse driver is properly installed Check the keyboard controller chip for any cold or loosed soldering Replace the motherboard Serial device does not work Check if serial driver is correctly configured Check if serial device is connected properly Replace serial device Check the I O controller chip on the motherboard for any cold or loosed soldering Replace the motherboard Parallel device does not work Check if all connections are properly set Check if external device is turned on Check I O controller chip on the motherboard for any cold or loose soldering Replace the motherboard I a M 222 Troubleshooting Procedures 5 13 5 5 Fault Isolation Using Diagnostics PC Doctor supplied with the Extensa Series Notebooks is a powerful diagnostics tool that can help you determine the hardware configuration of a local or remote system benchmark its performance analyze the performance of all subsystems and perform a suite of interactive and non interactive tests on attached devices such as printers joystick devices VGA monitors SCSI devices CD ROM drives Th
83. or reads from the floppy disk drive or reads from the CD ROM drive Battery Charging Indicator Lights when a powered AC adapter connected to the computer is 4 charging the battery Flashes when there is a problem with the battery or the battery is not recognized by the smart charger Turns off when there is no battery or the battery is fully charged 3 2 Operating Instructions Table 3 1 LED Icon Descriptions Icon Description Standby Mode Indicator Lights when the computer is in Standby mode Flashes when the Z computer is in the 5V Suspend mode The computer enters Standby Mode if the Standby hot key 4 is pressed or the Standby Timeout parameter in Setup is enabled and expires The computer enters 5V Suspend Mode if the Suspend hot key Fn F3 is pressed or the 5V Suspend Timeout parameter in Setup is enabled and expires or the display is closed Power Battery low Indicator I Lights when the computer is on and there is power to the computer Flashes when the battery power is low Connect a powered adapter to the computer as soon as possible Caps Lock Indicator Lights when the caps lock function is toggled ON using the Caps Lock Key Num Lock Indicator Lights when the embedded numeric keypad is toggled ON using the Num Lock hot key Fn F7 Refer to Using the Internal Numeric Keypad section the Extensa 900 Series User s Guide for further details
84. software to determine whether your application is compatible with Windows 95 2 15 Installation Operating Instructions 3 1 Introduction This section contains a summary of notebook operating procedures useful for maintenance operations For additional detail refer to the Extensa 900 Series Notebook Computer User s Guide supplied with the notebook 3 2 Controls Indicators The operating controls and indicators for the 900 Series Notebooks are shown in Figure 3 1 and briefly described in the following paragraphs Disk Media Battery Charging Standby Mode Pwr Batt Low Caps Lock Num Lock Figure 3 1 Operating Controls and Indicators Operating Instructions 3 1 3 2 1 Power On Off Switch notebook contains an alternate action power switch located center of the notebook near the status indicators as shown in Figure 3 1 The first time you press the power switch power is turned on to the notebook The next time you press the power switch power is turned off 3 2 2 Notebook LEDs The notebook contains the following LED Indicators Disk Media Indicator Battery Charging Indicator Standby Mode Indicator Power On Battery Low Blinking Indicator Caps Lock Indicator Num Lock Indicator 3 2 3 LED Icons Table 3 1 contains a listing and description of Extensa LED Icons Table 3 1 LED Icon Descriptions Icon Description Disk Media Indicator lt gt Lights when the computer writes to
85. the 900 Series Notebook is provided in Table 4 4 4 6 Theory of Operation Table 4 4 I O Address Address Range Device 000 OOF controller 1 020 021 Interrupt controller 1 022 023 M1523 registers 040 043 Timer 1 048 04B Timer 2 060 06 Keyboard controller 070 071 Real time clock and NMI mask 080 08 DMA page register 1 Interrupt controller 2 ODF controller 2 178 17 6377 registers 1FO 1F7 Hard disk select 170 177 CD ROM 3F6 3F7 220 22F Audio option 240 24F Audio option default 260 26F Audio option 280 28F Audio option 278 27F Parallel port 1 2E8 2EF COM 4 2F8 2FF COM 2 378 37A Parallel port 2 3B4 385 Video subsystem 3C0 3C5 3C6 3C9 Video DAC 3CF Enhanced graphics display 3D0 3DF Color graphics adapter 3E1 PCMCIA controller 3E8 COM3 3F7 Floppy disk controller 3F8 3FF 1 CF8 CFF PCI configuration register Theory of Operation 4 7 4 2 3 1 ALI M1521 Memory Cache and DRAM Controller The M1521 provides the system controller and data path components for the Extensa 900 Pentium based system It provides 64 bit CPU bus interface 32 bit PCI bus interface 64 72 DRAM data bus with ECC or parity secondary cache interface including pipeline burst SRAM or asynchronous SRAM PCI master to DRAM interface four PCI master arbiters and a UMA arbiter The M1521
86. the Notebook Computer into the MPB use the following procedure 1 the notebook over and open the expansion door slide the door toward the center of the notebook to expose the docking connector 2 Slide the lever release latch to the front of the MPB to release the docking lever refer to Figure 2 3 NENNEN Installation 2 5 3 Swing the Docking Lever outward full 90 degrees from the side of the MPB 4 Slide the notebook into the MPB right side first as shown in Figure 2 3 Ensure that the docking guides on both the notebook and the MPB are securely hooked 5 Rest the notebook on the MPB Then press and hold the notebook against the MPB and swing the Docking Latch inward until the Lever Release Latch locks Open the expansion door Slide release latch on MPB on bottom of notebook forward swing the docking level outward 90 degrees Slide notebook into MPB Press and hold down right side first ensure notebook and swing the dock docking guides are hooked lever in until the release latch locks Figure 2 3 Docking the Notebook into the MPB 2 4 1 2 Cabling to the MPB Refer to Figure 2 4 MPB Port Assignments and then connect all desktop devices to the MPB instead of directly to the notebook as described in Paragraphs 2 4 2 through 2 4 5 NENNEN 2 6 Installation PS 2 Keyboard Advanced Port Mouse Port Parallel Port Figure 2 4 MPB Port Assignments Installation 2 7 Battery
87. top section of the MPB 7 Replacement is the reverse of Steps 1 through 6 Extend Dock Release lever Dock Release Lever Lever Release Latch Upper Cover of Mobile Productivity Base 14 Screws 2 Remove Screws Lift and Pull Out v Upper Cover Figure 6 27 Removing Replacing the MPB Housing 6 34 Field Service 6 6 4 Removing Replacing the Docking Cable To remove and replace the MPB Docking Cable use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Using your thumbs unlock the two battery locks at each side of the MPB refer to Figure 6 26 pull the battery pack out of the MPB 3 Remove the MPB Housing as described in Paragraph 6 6 3 4 Remove two screws securing the Docking Cable to release the assembly refer to Figure 6 28 5 Remove the four screws securing the Docking Cable assembly to the Docking Mechanism and remove the Docking Cable 6 Replacement is essentially the reverse of Steps 1 through 5 Remove Docking Cable Screws Figure 6 28 Removing Replacing the MPB Docking Cable NENNEN Field Service 6 35 6 6 5 Removing Replacing the Docking Mechanism To remove and replace the MPB Docking Mechanism use the following procedure 1 Turn off the computer disconnec
88. 0 Series External Ports Port Assignment Description External VGA Port 15 pin Female connector used to attach an external SVGA monitor to the notebook Serial Port 9 pin Male connector used to attach an RS 232 serial device to the notebook Parallel Port 25 pin Female connector used to attach a bidirectional printer or an external floppy disk drive requires special cable for use with floppy disk drive PS 2 Port 6 pin Circular connectors used to attach external keyboard mouse devices to the notebook AC Adapter Connector Power in connector used to attach the output of the AC adapter to the notebook Fast Infrared Port Fast Infrared Port 4 M b used for wireless communications between the notebook and an FIR equipped device such as keyboard another notebook printer etc Audio In Out Mic In Jacks Stereo audio line inputs stereo line outputs and external microphone input MPB Bus PCI Bus plus sidebands that support an optional Mobile Productivity Base 1 2 6 Notebook Expansion Capabilities In addition to the external ports the Extensa 900 Series Notebooks are designed with a variety of expansion features that permit substantial functionality and performance upgrades over the life of the product The expansion capabilities built into the notebook are summarized in Table 1 3 and described in greater detail in the following paragraphs Table 1 3 Extensa 900 Expansion Features Summary Expansion Fea
89. 072 EXT 900 Ref 9813674 0001 BATTERY LOCK RIGHT EXT 900 Ref 9813675 0001 BATTERY LOCK LEFT EXT 900 Ref 9813676 0001 DOOR SLIDE 082 EXT 900 Ref 9813677 0001 ASSY CORE UPPER CASE EXT 900 Ref 9813681 0001 HEAT PLATE ASSY EXT 900 6 5 6 9813682 0001 COVER KEYBOARD EXT 900 6 5 5 9813684 0001 HOLDER TOUCHPAD EXT 900 6 5 16 9813686 0001 SPRING LCD LOCK WPS EXT 900 Ref 9813687 0001 HOLDER DOCK CONNECTOR EXT 900 Ref 9813688 0001 RUBBER CR EXT 900 Ref 9813689 0001 6 8 Field Service Table 6 2 Base Assembly Field Replaceable Units FRUs Base Assembly FRU Description Assembly TI Part No Disassembly Paragraph TOUCHPAD GND PLATE EXT 900 6 5 16 9813690 0001 CABLE FLEX LED BOARD EXT 90X 6 5 8 9813691 0001 6 4 3 Mobile Productivity Base Assembly The FRU list for the MPB is provided in Table 6 3 The major MPB FRUs are identified in Figure 6 4 Table 6 3 Mobile Productivity Base FRUs FRU Description Assembly TI Part No Disassembly Paragraph PWB ASSY CHARGER BOARD MPB EXT 90X Ref 9813657 0001 CASE BOTTOM MPB EXT 90X Ref 9813658 0001 PWB ASSY MAIN BOARD MPB EXT 90X 6 6 7 9813661 0001 PWB ASSY DC IN BOARD EXT 90X 6 6 6 9813662 0001 PWB ASSY BATTERY BOARD EXT 900 Ref 9813656 0001 same as used in Notebook CASE UPPER MPB EXT 90X Ref 9813659 0001 CABLE ASSY DOC MPB EXT 90X Ref 9813660 0001 KNOB
90. 3 ore AS Dou ____ __ e gt HOS AGI p 081 6621 691 69zdi ONTOS Sofas bdl SUL 8891 t bar v10HSS 8621 1951 fuma 0241 86241 uM Ge m 8 0214 c edi Ly 3 bdl mu ea 1 2 vLLOHOS a 7 bdl nm teu 2 5 bab Obs 0051 lt 00641 i Jon bdl 4659 E ES 46595 46595 82541 8551 271 89 2 9o V 2 46626 85625 mE 9 a c bab 525 wu ae E 2 ar 2991 uiv 13641 2 s nin tru OPEL 881 5 4 sur an kdl 61 a ic bdl kdl po 95541 Sidi 1961 OIL 65541 0 84 org
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92. 48 0012 KEYBOARD NOR EXT 900 6 5 5 9813648 0013 KEYBOARD FIN EXT 900 6 5 5 9813648 0014 KEYBOARD BEL EXT 900 6 5 5 9813648 0015 KEYBOARD CHI EXT 900 6 5 5 9813648 0019 KEYBOARD KOR EXT 900 6 5 5 9813648 0020 Peripherals Cables HDD 1 4GB IBM EXT 90X 6 5 4 9813645 0001 CABLE FLEX HDD EXT 90X 6 5 4 9813644 0001 TOUCHPAD 6 5 16 9813516 0001 CABLE ASSY TOUCHPAD EXT 90X 6 5 16 9813679 0001 Field Service 6 7 Table 6 2 Base Assembly Field Replaceable Units FRUs Base Assembly FRU Description Assembly TI Part No Disassembly Paragraph FDD EXT 90X Ref 9813649 0001 HDD BRACKET ASSY EXT 900 6 5 4 9813683 0001 Other Major Assemblies CASE UPPER EXT 90X 6 5 10 9813646 0001 CASE LOWER EXT 90X 6 5 10 9813647 0001 BATTERY LI ION EXT 90X 6 5 1 9813633 0001 HEAT SINK MAIN EXT 900 6 5 6 9813685 0001 AC ADAPTER 45W ADP 45HP EXT 6XX Ref 9813497 0004 PCMCIA MODULE EXT 900 6 5 14 9813716 0001 Service Manual Ref 9813715 0001 Dummy Battery case only EXT 90X 6 5 1 9813717 0001 Doors Access Covers misc COVER MEMORY EXT 900 2 3 1 9813663 0001 BRACKET HINGE EXT 900 Ref 9813664 0001 SPRING EXT SWP EXT 900 SPG EXT SWP 0 2 2 0 17 Ref 9813665 0001 HINGE RIGHT EXT 900 Ref 9813666 0001 HINGE LEFT EXT 900 Ref 9813667 0001 KNOB BATTERY EXT 900 Ref 9813668 0001 COVER HDD EXT 900 Ref 9813669 0001 TUBE FOR LCD ABS
93. 8 otd sar aaar SINO Bs ra Roe 0 7 zr Lor 0 07 _ zt reocmar seq 9t cat dios 0 soca v x TE vie 66 9 xar L E q 2 sar t v x st v E vt 129 Tt et 3 o or vt tt Tt ot p p saaat ar 9 Sinan or suo LNH eec 1962 mgr 91 e wora t 81 Roe Roe eae GJTWISNM LON Z EL 861 tt zm OF coor UV i um 9 t t P iod 9 m t 0989 our Sar 24 HE aav EHA 26 Ke Are Reet Notebook Sc
94. 8 bdl 401001 09 9 lt _ NOSOWOQ SELL bdl 1 lt wrashag ah 90 SOLL bdl mg n lt 89 i _ lt 391 hy 181 981 581 lt 181 lt 081 0 4 e 251 ge ge Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 10 of 10 MPB Schematic Diagrams B 15 C52 2 SCD1U Y 0 7 RGBGND 21 3 CRT HS CBT R CRT 8 CRT B 2 HO C10 C29 ENAVEE SCD1U DISPLAY ZV PCLK 4 SPESE ZV_HREF 2 SCD1U ZV VREF ZV VREF 844 B Y2 2 Y3 PESCE BN AD 0 31 C BE 0 3 DEVSEL VGACLK R22 47R3 47R3 C40 SC39P 10 R9 4783 2 C1A7R3 SC39P C15 D SC39P IRDY aes R23 47R3 i SC39P LSB UV5 UV6
95. 9 99 APOA0LRZZOS APOAO0LnZZOS T APOAO0LnZZOS T APOA0LnZZOS APOA0LnZZOS T APOAOLNZZOS J 9125 p T d3Lo9s F 8v9 oso vso Svo ved 129 290 4 559 2205 4 4 T E T ATOADINZZOS 5 5 Et 25 216 459 F 189 69 252 8242915 T BT E E 45 425 r 4 T 99 8222216 Figure 1 MPB CPU Board Logic Diagrams Sheet 1 of 3 B 2 MPB Schematic Diagrams 59700742201 9999999936 9160000060 ES SNLION YHS gt nnnnnnnnnp ala lalala la fa la le la pri 2 45151515 8191915 5 Tsay lz lols s fele l Ie Ie E ON 08 cun AA IS ser ON pud M 381 X 1 BU Ic va KT S u weno x
96. AS AT AALS SB SCDiU 134 33V 1 124 Faas 122 121 420 Late 11 116 Pe 3414 112 119 109 108 10 Hos p lr 88 cH ACGTRDY voc Du CDEVSEL A OGNI GSTOR Ax Tasowne 12 lt lt ren aare Pete lt 29809 ree lt 5 0400 4 Grn lt Rader oe Se gt 00 e rero lt lt R 3 AAAA 4567 9 111111111111 HH 89 01 dans 99 6739 0123 3 11 pp 01 PCMCIA CARDBUS CONTROLLER 5 WR Ld dad 20414484451 GND
97. C amp T 65550 Features 4 12 Versatile Panel Support 4 13 Low Power Consumption 4 13 Software Compatibility Flexibility 4 13 Sound Subsystem 4 13 ESS1878 Audio Controller with Interface to Expansion Audio Mixer 4 13 ES1878 Features 4 14 Keyboard Subsystem 4 14 I O Subsystem 4 14 NS87338VJG Super I O Controller 4 14 Hard Disk Drive Subsystem 4 17 10643 Features 4 17 Floppy Disk Drive Subsystem 4 18 PCI 1130 Features 4 19 PCMCIA Subsystem 4 18 Power Subsystem 4 20 ALI M6377 Power Management Unit 4 22 AC Power Adapter 4 25 Mobile Productivity Base Interface 4 25 Section 5 Troubleshooting Procedures Introduction 5 1 Overview of Fault Isolation Process 5 1 Troubleshooting Procedures 5 3 T
98. Cirrus CL GD7548 ESS 1888 Sound Device Drivers WinModem Device Drivers PC Card Bus Socket Services and Card Services Device Drivers and Windows 95 1 Software Audio Video Compression Device Drivers Windows DOS 6 22 This environment has some limitations in the Plug N Play area includes TI utilities and various device drivers including Cirrus CL GD7548 ESS 1888 Sound Device Drivers WinModem Device Drivers PC Card Bus Socket Services and Card Services Device Drivers etc LEEE r a A eC General Description 1 5 1 2 4 Standard Peripheral Devices As standard features the Extensa notebooks include an internal IDE hard drive an external 3 5 inch floppy disk drive and built in touchpad mouse device 1 2 5 900 Series Connectivity Features As standard features the Extensa 900 Series notebooks includes most standard desktop ports including a serial port parallel port PS 2 port and external VGA port The 900 Series also includes a fast infrared FIR port and an expansion bus connector for attaching to the optional Mobile Productivity Base The external ports for the 900 Series are shown in Figure 1 4 and described in Table 1 2 Serial Port Parallel Port 5 2 Adapter Port Connection FIR Port Out Line In In Figure 1 4 900 Series External Ports 1 6 General Description Table 1 2 90
99. HAND LEVER LOCK MPB EXT 900 Ref 9813670 0001 KNOB MODULE LATCH MPB EXT 900 Ref 9813671 0001 LOCK HAND LEVER MPB EXT 900 Ref 9813672 0001 LATCH MODULE MPB EXT 900 Ref 9813673 0001 CD ROM DRIVE EXT 90X 6 6 1 9813650 0001 Field Service 6 9 Upper Cover of Mobile Productivity Base Dock Release Lever Lever Release Latch DC DC Converter Main Board SS Assembly E c Dock Mechanism MPB with Upper Cover Removed Figure 6 4 Mobile Productivity Base Major FRUs 6 5 Notebook FRU Replacement Procedures The following paragraphs contain field service level removal replacement procedures for the 900 Series Notebook Computers Most FRU removal replacement procedures involve connecting and disconnecting cable connectors The Extensa series uses two types of connectors including Locking type connectors Use a plastic stick to unlock and lock these type of connectors as shown in Figure 6 5 Non locking connectors 6 10 Field Service Unplugging the Connecting the Figure 6 5 Removing Installing Cables with Locking Type Connectors 6 5 1 Removing Replacing the Notebook Battery Pack Before performing any of the assembly disassembly procedures always disconnect the AC adapter from the notebook and remove all battery packs The procedure for removing and replacing the notebook battery pack is as follows 1 Turn off the computer and disconnect the AC adapter from the computer 2
100. HE Odd INS NM OC LOHS L 1 CC CPIOIO omo ej E INS NMOLNHS L L 5 awe LT ES 0 800HsS INIH NIENS x L EN d NOCSON NO x 8 on Noson t 5 G3TIVISNI or bn IS D t d sezo t 99 8 c ES A ENN t a PLOHSS 80 v E aren vt t or 9 T T oin vion Roe ADVAYALNI NOLLNG NO H3MOd dv Pav OL Figure A 1 Notebook Main Board Logic Diagrams Sheet 29 of 30 Notebook Schematic Diagrams A 30 Ms5V T U34A U53E US3F U34E U34F 7 4 4 4 4 4 4 4 11 12 x 11 10 x 12 1 2 3 5 SSHC14 L 5 SSHC14 z SSHC14 z SSHC14 z SSHC14 tz SSHC14
101. MPB Schematic Diagrams B 5 39Vd 23 AdHl 5 T3WVHd 5904 eux eux PS 8H 11 16 LON L L HOLO3NNOO SNDI2OGQ tirdi orsz 2 2 GNO z S ZINNOO 3Vn oys j n 5 x v 889 09 org 91 fidi 68 6H Stat me NS 89 eH orsz 16 8E 2 ie ore ba 88 eH tour 9 dd 0 6 vVivaesd En 9 9 ore 1222 s 8 gt ttt vs 0 Sr euer 08 ott 8 tit asne 2 4 224 S 32 482 H bd 9r or HHNH Lid Ur 8 409 2043 5 T cer v 4 sni
102. Maintenance Manual Extensa 900 Series Notebook Computers 9813715 0001 December 1996 5 INSTRUMENTS Copyright 1996 Texas Instruments Rights Reserved Extensa 900 Series Notebook Computers Maintenance Manual TI Part No 9813715 0001 Original Issue December 1996 Changes may be made periodically to the information in this publication Such changes will be incorporated in new editions of this manual No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopy recording or otherwise without the prior written permission of Texas Instruments The equipment as well as the programs that TI has created to use with them are tools that can help people better manage the information used in their business but tools including TI products cannot replace sound judge ment nor make the manager s business decisions Consequently TI cannot warrant that its products are suitable for any specific customer application The manager must rely on judgement of what is best for his or her business Address all correspondence regarding orders to Texas Instruments P O Box 6102 M S 3255 Temple Texas 76503 Extensa is a trademark of Texas Instruments The icons in the Windows Notebook and Startup groups are copyrighted by Texas Instruments IBM and PS 2 are registered trademarks and OS 2 is a trademark of Int
103. Mobile Productivity Base Ports 1 11 Advanced PCI Card Options 1 12 Notebook Battery 1 12 Standard Test Features 1 12 Power Self Test 1 12 PC Doctor Diagnostics Program 1 13 Extensa 900 Series Specifications 1 14 Regulatory Agency Approvals 1 17 Section 2 Installation Introduction 2 1 Unpacking Instructions 2 1 Installing Internal Notebook Options 2 2 Installing Main Memory Expansion Optional 2 2 Setting Up the Software 2 3 Installing PCMCIA Options 2 4 Contents iii Contents continued Paragraph Page Section 2 Installation continued Installing External Notebook Options 2 5 Installing the Mobile Productivity Base Option 2 5 Docking the Notebook to MPB 2 5 Cabling to the MPB 2 6 Installing Ext Keyboard Mouse Numeric Keypad
104. N Roe gp COAT Ld E Tunocman d srad mi H3Zzna8 9 SMOVP 3NOHd Notebook Schematic Diagrams A 19 Figure A 1 Notebook Main Board Logic Diagrams Sheet 18 of 30 8 OOLOHSL Rot 2 158 HI 7 lt 2 Wolde C L Lp TTS eer ES ALON TRS Gay 26 rot Ste Ob SHER ener or Roe VIVO HOHO rS t ses r Back a a f o erg v e lt Tes E vesn L VOLOHSSZ Bact 02 HOES psou asint ZEOHSS t gt 1 MOS BHO euo
105. Note In addition to the hot keys that control the notebook display functions there are several other hot key functions that control other notebook functions such as turning the Touchpad on off etc For these sequences refer to section 3 1 4 General Description 1 2 2 Keyboard Features The Extensa 900 Series Notebooks contain a built in 86 87 key keyboard Figure 1 3 compatible with the IBM enhanced 101 102 key keyboard The keyboard contains 12 programmable function keys an embedded numeric keypad Figure 1 4 and dedicated control keys hot keys 1 5 2 lt WOOO Figure 1 3 Embedded Numeric Keypad 1 2 3 Software Features As a standard feature the Extensa 900 notebooks are factory loaded with dual load Windows 95 or Windows for Workgroups software to allow the user to configure the notebook s operating system environment as summarized in Table 1 1 Table 1 1 User Selectable Operating System Environments Operating System Description Windows 95 Supports both desktop and mobile operation with Plug N Play capabilities and Advanced Power Management customized to include TI startup screen CSL Support information Internet browser multimedia options and choice of wallpaper to customize different computer resources utilities such as wBattery wSetpower TISetup variety of device drivers including
106. OR BATTERY INTERFACE lt 34 E lt 21 1 14 cHGR I gt 15 16 CHORDATA 19 DCBATOUT 28 2j 20 x CHGR CLK CHGR DATA CHARGER SEEPROM S CLOCK amp DATA Ke MOLEX CQNN20A NSQ03A04 1 EE 9 2 Js CHARGER CONNECTOR NSQ03A04 1 BAT 4 5 p He 25 P N0s 1 3 1s FET pn 6 1 R270 1 215 LA 240KR3 54 1 ZN 330KR3 514435 DCBAJOUT poles 2 2 1 SCD1U50V3ZY 1 R269 100KR3 3D 82KR3 2 2N7002 25 2 2KR3 RY23 RY16 AAA p2 1A A Az Q13 220KR3 R242 pi 1 SCD1U50V3ZY 2 2N7002 56083 5 DCBATOUT DCBATOU T 20 1 a 5 6 19 Bros T gt 19 11 1 29 3 6 18 MOVE BL3 FROM PIN 10 TO PIN 16 MOLEX CONN20A CHARGER CONNECTOR CHARGER SEEPROM ADDRESS SELECT SHIVA PULL LOW ADDRESS 0 UMA OPEN ADDRESS 1 INTERNAL PULLED HIGH AT CHARGER BOARD Figure A 1 Notebook Main Board Logic Diagrams Sheet 27 of 30 A 28 Notebook Schematic Diagrams LED INTERFACE CHARGE 1 3 3 Q1 Q2 27 RN1424 21 RN1424 1 1 5VSB TT c72 SCD1U SCD1U SCD1U M 5V 5V 45VSB SB ADD LOWBAT LED 19 20 29 14 E AUD GND SD5255917 16 5 CLOSE CONNECTOR 1 R141 10KR3
107. ROM Drive Two PS 2 Ports Standard for both External Notebook Keyboard and Mouse Ports Figure 1 7 Mobile Productivity Base MPB Features 1 2 9 1 Docking and Undocking Docking and undocking of the Mobile Productivity Base is controlled by a latch and lever on the left side of the base as shown in Figure 1 8 The latch releases the lever the lever is extended 90 degrees outward to release the notebook 1 10 General Description Undocking Lever Lever Release Latch Left Side Figure 1 8 Undocking from the Mobile Productivity Base 1 2 9 2 Mobile Productivity Base Ports The Mobile Productivity Base provides the same ports as available on the Notebook plus an additional PS 2 port to allow for both external mouse and keyboard The port assignments are shown in Figure 1 9 J bw A General Description 1 11 PS 2 5 Keyboard Advanced Port VGA PCI PS 2 Serial por Mouse Port Port Parallel Port Figure 1 9 Mobile Productivity Base Ports 1 2 9 3 Advanced PCI Card Options The Extensa 900 Series Notebooks contain provisions for an advanced PCI Card as shown in Figure 1 7 1 3 Notebook Battery The notebook computer uses a Lithium Ion battery pack A second identical battery can be installed in the optional Mobile Connectivity Base as shown in Figure 1 7 1 4 Standard Test Features The Extensa 900 Series Notebook Computers use modular
108. Se gt 5 2 Ju Pali PN 4 4 2 n 8 g 8 Kc lt 19 5 2 6 SSHC32 2 R156 T SB REMOYE SOFTWARE DK 9932138401 gt tnm nm x py be 5 i i 4444 i Hig i 58335484804 i m ETETE OE bos 304444445149 gt 00 z 5 2220222222 5 i T 2 10 11 24 2 4 10 11 24 TRD lt RY15 2 2 DADO Figure A 1 Notebook Main Board Logic Diagrams Sheet 22 30 Notebook Schematic Diagrams A 23 nias 4 T ky sou
109. V E F2 L1 2 45V 1 2 117 Se 1 U2B SPOLY100 MLB321611 P 4 SMD100 J6 MLB321611 5 12 4 1 2 42 1 R93 5 7 SSHCOO T KBCLK R94 L3 1 2 4783 2 PENA p a 1 10 4783 MLB321611 amp 7 KBMS CONN 9 1 SC47P 3 47 ie E KEYBOARD CONN 10 8 s cu dt 0 B SMD100 T 2 TP38 1 2 rns 1 U2D SPOLY100 MLB321611 CN12 45V 15 1 R95 40 1 L5 2 5 1 1LPS2CLK 2 wa 12 SEAT ps TP39 4798 m MLB321611 PS2DATA F 13 2 iid 2 1 4 6 SSHC00 MLB321611 a 7 KBMS CONN 3 47 3 47 45V MOUSE CONN Ui2c 1 H __ 8 2 w y 15V 1 1A F4 F SPOLY100 1 2 SSHC32 TP42 142 SMD100 3 45V E TP 1 TA 12 11 1 13 5 MLB321611 TP38 T38 E SSHC32 1 R151 2 1 15 L 1 2 7 40 740 3 AMP USB CONN 1 T 33R3 1 2 1 45V E TP39 T39 U12D R152 are oj n 114 115 SCD1U 8 1 47 47 Sans T T 7 125 1125 m PS SSHC32 TP303 T303 5V U11F 1 P UE q 1352 13 12 E 1 d 1 U22D 11 10 1 352 R25 gt d SSHC14 9 SSHC14 6 SOHC4066 10KR3 4 USA 5 14 Q P 2
110. W 229 124 220 ted end ttv re oro Ure neos erg vecinos etg sao rd E E n gt 914 EC ___ eu ndot nao aos ssi 9 Cec Tot 9v neos eto tec neos ttd vu eto ec fV ndo 29 ndot ce 906 Sex a Eras 29911400 35V L10A ndo 85 LOOT 24 te meto Tet 9 9 enses 2 0 09 9 ed HOLO3NNOO OL x Rez Reet as F nas aos abs nas niaos T AGLNOOLIS 27 ILLO 652 LD um nidos dios nidos nidos nidos 2012 915 T Figure A 1 Notebook Main Board Logic Diagrams Sheet 1 of 30 Reze A 2 Notebook Schematic Diagrams a 5 5 5 E 58 204 3 one Bo af 8 i 58 0204 90010 0217 7 NOT INSTALLED 193 1
111. ain Board Assembly 2 Replacement is the reverse of Steps 1 through 8 Main Board Assembly Figure 6 20 Removing Replacing the Main Board Assembly Field Service 6 27 6 5 16 Removing Touchpad and Speakers To remove and replace the Touchpad and Speakers use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the Display Assembly as described in Paragraph 6 5 7 Remove the Top Cover Assembly as described in Paragraph 6 5 10 Remove connectors on both sides of the Touchpad Assembly and detach speakers from the top cover 7 Remove the two screws that secure the Touchpad Assembly to the Top Cover and remove the Button Assembly Metal Plate and Touchpad Main Sensor as shown in Figure 6 21 8 Replacement is the reverse of Steps 1 7 Connector Button Assembly Figure 6 21 Removing Touchpad Assembly 6 28 Field Service 6 5 17 Removing Replacing the Display Bezel To remove and replace the Display Bezel Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and rem
112. as two connector slots for PCMCIA option cards These two slots can be used to install one Type III or two Type I II credit card size PCMCIA option cards You can install a PCMCIA PC card without turning the computer off Use the following procedure to install a PCMCIA option 1 Review installation instructions supplied with the PCMCIA option 2 Hold the card at the end opposite the connector pins with the label side up Insert the card into an unused slot on the left side of the Notebook 3 If the option requires external cabling e g modem option connect external cabling at this time Note After installation of a PCMCIA option card Windows 95 displays the New Hardware Found dialog box to help you configure the new device To remove a card click on the PCMCIA icon then press the appropriate PC Card Release lever or press both levers for a Type III device and remove the option 2 4 Installation Figure 2 2 Installing PCMCIA Option Cards Note When installing a Zoomed Video option card the card must be installed in the lower card slot slot 0 or Other option cards can be installed in either card slot 2 4 Installing External Notebook Options 2 4 1 Installing the Mobile Productivity Base Option If using the Mobile Productivity Base option install this accessory now If not using the MPB at this time proceed directly to Paragraph 2 4 2 2 4 1 1 Docking the Notebook to the MPB To dock
113. bed in the previous paragraphs 4 2 10 PCMCIA Subsystem notebook is equipped with a PCMCIA subsystem that accomodates either two Type II PCMCIA cards or one Type III card The heart of the PCMCIA Subsystem is the TI PCI 1130 high performance PCI to PC Card controller that supports two independent PC Card sockets compliant with the 1995 PC card standard The PCI 1130 provides a set of features that make it ideal for bridging between PCI and PC Cards in both notebook and desktop computers The 1995 PC Card standard retains the 16 bit PC Card specification defined in PCMCIA release 2 1 and defines the new 32 bit PC Card called CardBus capable of full 32 bit data transfers at 33 MHz The PCI 1130 supports any combination of 16 bit and CardBus PC Cards in its two sockets powered at 3 3V or 5V as required The PCI 1130 is compliant with the PCI local bus specification revision 2 1 and its PCI interface can act as either a PCI master device or a PCI slave device The PCI bus mastering is initiated during 16 bit PC Card DMA transfers or CardBus PC Card bus mastering cycles card signals are internally buffered to allow hot insertion and removal without external buffering The PCI 1130 internal data path logic allows the host to access 4 18 Theory of Operation 8 16 and 32 bit cards using full 32 bit PCI cycles maximum performance Independent 32 bit write buffers allow fast posted writes to improve system bus
114. books contain large screen internal LCD displays and can simultaneously drive the internal LCD an external CRT SimulSCAN mode On all Extensa models the LCD screen brightness contrast video mode of operation etc are adjustable from the keyboard as described in Section 3 General Description 1 3 1 2 1 1 Internal LCD The Extensa 900 Series Notebooks contain one of the following LCDs model dependent 12 1 inch DSTN display 900CD Only 11 3 inch TFT 1 2 1 2 External CRTs Extensa 900 Series Notebooks are equipped with a 15 SVGA connector that can drive an external CRT either alone or simultaneously with the internal LCD When the notebook is set to the SimulSCAN mode a minimum resolution of 800 x 600 X 256 colors is supported When operating in the External CRT Mode resolutions up to 1280 x 1024 x 256 colors are supported 1 2 1 3 Display Hot Key Sequences The display mode of operation LCD only Simultaneous LCD and external CRT and external CRT only modes is keyboard selectable using the following hot key sequences Fn Up Arrow Fn Down Arrow Control LCD screen brightness higher brightness setting uses more battery energy Fn Right Arrow Lightens the LCD screen contrast Fn Left Arrow Darkens the LCD screen contrast Fn F12 Alternates between display modes LCD External CRT or both Fn F11 Turns off the LCD backlight pressing any key turns the LCD backlight on
115. ch as this you must press all three keys simultaneously 5 4 Troubleshooting Procedures 5 3 3 1 POST Error Messages Upon successful completion of Power On Self Test the computer automatically loads its operating system and other built in utilities If POST fails to complete successfully the display shows one of the error messages described in Table 5 2 Note In the event of a hardware problem that affects the display the Notebook also communicates errors via a series of beeps The interpretation of the beep codes is provided in Table 5 3 Note Refer to Appendix C for POST BIOS listing Troubleshooting Procedures 5 5 Table 5 2 Power On Self Test Error Messages Possible Cause Action Diskette drive A failure Diskette read failure press F1 to retry boot F2 for SETUP utility Display adapter failed using alternate Gate A20 failure Fixed disk configuration error Fixed disk controller failure Fixed disk read failure press F1 to retry boot F2 for SETUP utility Pointer device failure 5 6 Troubleshooting Procedures The drive failed or is missing The disk is either not formatted or is defective The primary video adapter failed The keyboard controller is not accepting command specifically the enable and disable A20 command The specified configuration is not supported or doesn t match the actual hardware installed The fixed diskette may be defective The fixed diskette may b
116. ckage 4 2 4 Video Subsystem The video subsystem is implemented on the VGA Video Board and on the Main Board Assemblies The notebook contains a built in LCD and features simultaneous LCD and external display The video subsystem includes a 1 5 MB DRAM memory 32 bit DRAM bus and separate display and memory clocks An additional frame buffer accelerator DRAM increases the available memory band width for CPU accesses The video section also uses additional levels of write FIFOs a read cache page mode DRAM Control of the video subsystem is provided by the C amp T 65550 High Performance Flat Panel CRT VGA Controller chip The C amp T65550 multimedia flat panel CRT GUI accelerators provide 64 bit high performance and new hardware multimedia support features as described in the following paragraphs 4 2 4 1 C amp T 65550 Features The C amp T65550 integrates a powerful 64 bit graphics accelerator engine for Bit Block Transfer BitBLT hardware cursor and other functions intensively used in graphical User Interfaces GUIs such as Microsoft Windows Superior performance is also achieved through a direct 32 bit interface to the PCI Local Bus 4 2 4 1 1 Hardware MultiMedia Support The C amp T65550 implements independent multimedia capture and display systems on chip The capture system places data in display memory usually off screen and the display system places it in a window on the screen The capture system can receive da
117. clude controlling CPU clock speeds reducing clock speeds whenever possible e g when performing floppy disk drive accesses powering down unused devices etc A detailed block diagram of the Extensa 900 Series Notebook is shown in Figure 4 2 The IRQ assignments for the 900 Series Notebooks is provided in Table 4 1 Table 4 1 Interrupt Channel map Interrupt Number Interrupt Source Power management unit Parity error detected I O channel error Interval timer counter 0 output Keyboard Interrupt from controller 2 cascade Real time clock Cascaded to INT OAH IRQ 2 Audio option PCMCIA Audio option PCMCIA PS 2 mouse INT from coprocessor Hard disk controller CD ROM controller Serial port 2 4 Serial port 1 3 Parallel port 1 audio option Diskette controller Parallel port 2 audio option NOTE A PCMCIA card can use IRQ 3 4 5 7 9 and 11 as long as it does not conflict with the interrupt address of any other device Theory of Operation 4 3 1904 1HOd 1 5 AV8 79012 2 p429 19d peoueApy a 1404 1HOd 35 HONOL IVNH3 INI 36518 11590 18851 58 8159 VLVOM VLVGY 0 61 05 evs 1 0 0 6 8 ud 5 05 t Y 1 sna YSI 7 110 9 95 55 0659 lt WVY 0 1
118. d found inside the LCD Panel Battery Power does not last 1 Make sure that the power management features are enabled 2 Recharge the battery pack for 1 5 hours before using again 3 Replace the battery pack System halts during boot sequence 1 Check condition of selected bootload device disk or hard disk for bad boot track or incorrect OS files 2 booting from a new bootable disk and recopy or repartition hard disk drive 3 Check for any BIOS error messages on the display screen 4 Replace motherboard processing malfunctions 1 Checkthe connections of all internal devices 2 Replace motherboard Diskette drive does not work 1 Check if floppy disk drive cable is connected properly 2 Check disk type if correct and not faulty 3 Replace disk drive 4 Replace motherboard Hard disk drive malfunction 1 Check if hard disk drive is set properly on CMOS Setup 2 Check drive cables and connections 3 Check if hard disk drive is good 4 Replace the motherboard 5 12 Troubleshooting Procedures Table 5 5 General Troubleshooting Procedures continued Memory malfunction Check if the memory module is inserted properly Replace the memory module Replace the motherboard External keyboard or PS 2 mouse doesn t 1 Check if the keyboard or the mouse are connected properly Check if the Y cable is being used Power off system first before plugging in the device Replace the keyboard
119. design and built in test features to reduce the mean time to repair A power on self test program automatically verifies the operational state of the primary circuits and a powerful suite of diagnostic tests known as PC Doctor are available to further test selected parts of the system 1 4 1 Power On Self Test The Extensa line of notebook computers contain a BIOS resident Power On Self Test POST that automatically performs a test of memory and all major circuits each time 1 12 General Description the computer is powered up In the event ofa failure the computer displays a descriptive error message and issues a series of coded beeps in case the display subsystem is not functioning If self test completes normally the computer displays the amount of memory tested loads the Operating System and Windows environment 1 4 2 PC Doctor Diagnostics Program The Extensa 900 Series Notebooks are shipped with PC Doctor for Windows a powerful diagnostics tool that can help you scan a system for viruses determine the hardware configuration of a local or remote system benchmark its performance analyze the performance of all subsystems and perform a suite of interactive and non interactive tests on attached devices such as printers VGA monitors SCSI devices CD ROM drives The test results are stored in a log which can be printed out by pressing F2 or saved in a disk file by pressing F3 Features of the diagnostic program are acc
120. e Latch Left Side Figure 6 8 Removing Replacing the MPB 4 The swing lever also pushes the computer up slightly off the MPB allowing you to grasp the computer on the left hand side 5 Lift the computer up slightly on the left hand side Hold the computer securely on both ends and pull the computer out of the MPB left side first as shown in Figure 6 8 6 Close the lever and close the expansion door on the bottom of the computer 7 replace the notebook in the MPB turn the notebook over and open the expansion door slide the door toward the center of the notebook 8 Slide the Release latch toward the front of the MPB to release the lever then swing the lever completely away from the MPB until the lever is 90 degrees open from the side of the MPB 6 14 Field Service 9 Slide the computer into the MPB right side first ernsuring that the guides on both the computer and the docking base are securely hooked then rest the computer on the base 10 Press and hold down the computer then swing the lever toward the MPB until the latch release locks the computer in place 6 5 4 Removing Replacing the Hard Disk Drive Assembly The procedure for removing and replacing the Hard Disk Drive assembly is as follows 1 Power down the notebook disconnect the AC adapter ifinstalled and remove the battery pack as described in Paragraphs 6 5 1 and 6 5 2 2 Disconnect the Mobile Productivity Base and any installed PCMCIA op
121. e configured incorrectly or is defective The PS 2 style mouse failed Check the drive to determine the problem Replace the disk with a bootable disk and retry Check the primary video adapter Check the keyboard controller and system board Turn the power off then back on again If the problem persists contact qualified service personnel Correct the fixed diskette configuration Try rebooting If that doesn t work replace the fixed diskette Check the drive type selected in Setup Try rebooting If that does not work replace the fixed diskette Try rebooting If problem persists check the mouse cable and connector Table 5 2 Post Error Messages continued boot device available Either disk drive the fixed Try rebooting If the problem press F1 to retry boot F2 diskette or both the disk and persists replace the disk or the for SETUP utility fixed diskette are defective fixed diskette No boot sector on fixed The C drive is not formatted Format the C drive and make it disk press F1 to retry or is not bootable bootable boot F2 for SETUP utility Not a boot diskette press The disk in drive A is not Replace the disk with a bootable F1 to retry boot F2 for formatted as a bootable disk disk and try rebooting SETUP utility No timer tick interrupt The timer chip has failed Check the system board Tum the power off then back on agai
122. e screen to the printer port prints only text characters unless you have run the Graphics com utility to enable printing graphics Ctrl Break Terminates the current command or application Ctrl P Sets the computer to echo keystrokes to the printer prints a line when you press Enter continues until you press Ctrl P again Ctrl Alt Del Terminates all programs reloads MS DOS and executes the file also called the warm start or warm boot Operating Instructions 3 5 3 3 Configuring the Touchpad You can personalize the control of the touchpad by configuring various settings using the Synaptics Touchpad utility Configure the touchpad using the Mouse utility located in the Control Panel Window Follow these steps to configure the Touchpad In Windows 95 1 Select the Start button then select Settings 2 Select Control Panel to display the Control Panel window 3 Double click on the Synaptics Touchpad icon 4 Select the touchpad tab to customize the touchpad to your preference 5 Click on Enhancements to bring up additional features and to get to the online help for the Synaptics Touchpad drivers In Windows for Workgroups 1 From the Program Manager double click the Main program group 2 Double click on the Control Panel icon 3 Double click on the Synaptics Touchpad icon 4 Select the touchpad tab to customize the touchpad to your preference 5 C
123. e test results are stored in a log which can be printed out or saved in a disk file 5 5 1 PC Doctor In DOS Mode or DOS Window Features of the diagnostic program are accessed through a series of pull down menus and basic keyboard keys cursor keys to move highlighted pointer Enter key to select a highlighted feature Esc key to cancel a function and move back one level PC Doctor is typically user friendly but if you don t understand a feature context sensitive help information is available at any time by pressing the F1 function key pressing the F1 function key twice accesses the online Technical Reference Manual for PC Doctor A powerful set of utilities within PC Doctor that can be run locally or remotely simplify the task of determining system configuration data allocating and using system memory IRQ and DMA use what device drivers are installed what COM and LPT ports are assigned and what ports are available identifying partitioning data for fixed disk drive s determining the VGA setup information reading the software interrupts interrupt vectors etc Functionally PC Doctor includes the following Group of non Interactive diagnostic tests that perform a non destructive test of the major hardware functions in the notebook Processor Memory System board video section serial and parallel ports when loopback adapters are installed hard disk drive and floppy disk drive Group of Interactive tests require ope
124. ed cH um 5 I _ Toad 12 euly euly i dan ASYA StH 4 8 PEEL 801 906ENZ Sree 9 99 V PGET 9 90 _HaMoa peer 4 59 1 9 S t v9 Freer 29 2 8X0L i 6 i ast 46898 96595 96595 o 1 aol 1 4 euly euly 278 135 Figure MPB Main Board Motherboard Logic Diagrams Sheet 8 of 10 MPB Schematic Diagrams B 13 15 1 45
125. er Check to see that a charged battery pack is installed correctly also attach the AC adapter and connect to live wall outlet If the AC outlet voltage AC adapter and battery packs test normal but the computer will not power up try the DC In PWB Power Supply PWB Main Board PWB or LED PWB 5 3 2 Troubleshooting a Display Problem If the LCD remains blank when you turn on the computer and the status indicators light check the following controls on the display LCD suspend mode Press Shift to terminate Suspend mode Brightness set too low Press Fn Up Arrow keys to increase screen brightness Notebook Set for External Monitor Press Fn F12 to switch to the internal screen Faulty LCD Replace the cover display assembly as described in Section 6 of this manual Low battery Use a fully charged battery and or plug in the AC adapter Dmm De a Use __________________ ______________ _____ ____ Troubleshooting Procedures 5 3 Table 5 1 contains fault isolation information for Display Problems on the notebook Symptoms are listed along the left side of the chart and the various Display FRUs are listed along the top of the chart Within the body of the table are the probabilities of each of the FRUs causing that particular problem For example a single display line on the screen is most likely caused by the LCD Panel or Display Cable other components have a low probabi
126. ernational Business Machines Corporation Microsoft Windows and MS DOS are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation Cirrus is a registered trademark of Cirrus Logic Inc Ethernet is a registered trademark of Xerox Corporation IRDA is a trademark of Infra Red Data Association Sound Blaster is a trademark of Creative Technology Ltd SimulSCAN is a trademark of Cirrus Logic Inc SCSI is a registered trademark of Security Control Systems Inc Synaptics is a registered trademark of Synaptics Inc Phillips is a tegistered trademark of Phillips screw Company TranXit is a trademark of Puma Technology Inc Cyrix is a registered trademark of Dakota Systems Incorporated CHIPS is a registered trademark of Chips Technologies Inc AudioRack is a trademark of ESS Technology Inc Preface Introduction This manual provides installation operation and servicing data for the Extensa 900 Series Notebook Computers Intended Audience This manual is primarily intended for use by qualified service technicians but contains information useful to non technical users Contents This manual contains six sections and one appendix that are common to all Extensa 900 Series Notebook Computers differences described as they are covered Section 1 General Description Introduces the main features of the Extensa 900 Series Notebook Computers identifies all options p
127. ers 6 28 Removing Replacing the Display Bezel 6 29 Removing Replacing the LCD 6 30 Removing Replacing the Display Inverter Boards 6 31 Removing Repalcing MPB FRUs 6 32 Removing Replacing the Media Bay Device 6 32 vi Contents Contents continued Paragraph Page Section 6 Field Service continued Removing Replacing the MPB Battery 6 33 Removing Replacing the MPB Housing 6 34 Removing Replacing the Docking Cable 6 35 Removing Replacing the Docking Mechanism 6 36 Removing Replacing the MPB DC DC Converter 6 37 Removing Replacing the MPB Main Board Assembly 6 38 Appendix A Notebook Schematic Diagrams Introduction 1 Appendix B Notebook Schematic Diagrams Introduction 1 Appendix A POST BIOS Introduction 1 Contents vii 1 General Description 1 1 Introduction This manual contains field and factory level servicing information for the Extensa 900 Series Notebook Computers Figure 1 1 marketed by Texas Instruments This sectio
128. es and supports Enhanced IDE Mode 3 Mode 4 and propose Mode 5 timing from the widest range of disk drive manufacturers Supports multi word and single word modes 0 1 and 2 Fully supports the latest PCI IDE specification and all the Plug and Play PnP specifications Supports Windows 95 Windows NT 3 1 and 3 5 Daytona and OS 2 Theory of Operation 4 17 CMD s complete set of 32 bit drivers handle both PIO Fully compatible with the latest PCI PCI IDE ATA 2 Enhanced IDE Fast IDE ATAPI plug and play and ATA 2 Power Management Feature Set Fully supports all ATAPI compatible devices including CD ROM tape MO and other devices Fully supports legacy 14 and 15 Hardware and software mode switching and chip enable disable capabilities Programmable read ahead and write back buffers enhance transfer rates Fully compatible with all major operating systems 100 pin 4 2 9 Floppy Disk Drive Subsystem Extensa 900 is equipped with a 3 5 inch floppy disk drive that can read write standard 3 5 inch disks either1 44 MB 2 MB capacity The drive can also read 720 KB disk for interchange of data with other computers The data transfer rate for the floppy disk drive is 500 Kbits per second for high density disks and 250 Kbits per second for double density disks The floppy drive controller is implemented on the PC87338 Super I O Controller chip descri
129. ess than 480 lines on 480 line panels Horizontal and vertical stretching capabilities are also available for both text and graphics modes for optimal display of VGA text and graphics modes on 800 x 600 and 1024 x 768 panels Three selectable color to gray scale reduction techniques and SMARTMAPO are available for improving the ability to view color applications on monochrome panels CHIPS polynomial FRC algorithm reduces panel flicker on a wider range of panel types with a single setting for a particular panel type 4 2 4 3 Low Power Consumption The C amp T65550 employs a variety of advanced power management features to reduce power consumption of the display sub system and extend battery life Although optimized for 3 3V operation the C amp T65550 controller s internal logic memory interface bus interface and panel interfaces can he independently configured to operate at either 3 3V or 5V 4 2 4 4 Software Compatibility Flexibility The C amp T65550 are fully compatible with at the register and BIOS levels CHIPS and third party vendors supply fully VGA compatible BIOS end user utilities and drivers for common application programs 4 2 5 Sound Subsystem Extensa Series Notebook is equipped with an ESS1878 sound chip that is Sound Blaster and Sound Blaster Pro compatible Internal stereo speakers provide the Notebook with sound generation capabilities A set of 3 5 mm connectors allow for external microphone and line in
130. essed through a series of pull down menus and basic keyboard keys cursor keys to move highlighted pointer Enter key to select a highlighted feature Esc key to cancel a function and move back one level PC Doctor is typically user friendly but if you don t understand a feature context sensitive help information is available at any time by pressing the F1 function key pressing the F1 function key twice accesses the online Technical Reference Manual for PC Doctor A powerful set of utilities within PC Doctor that can be run locally or remotely simplify the task of determining system configuration data allocating and using system memory IRQ and DMA use what device drivers are installed what COM and LPT ports are assigned and what ports are available identifying partitioning data for fixed disk drive s determining the setup information reading the software interrupts interrupt vectors etc Note Refer to Troubleshooting Procedures Section 5 for additional information regarding the Diagnostics Program J 22 2 222 54 General Description 1 13 1 5 Extensa 900 Series Specifications General specifications for the Extensa 900 Series Notebooks are provided in Table 1 5 Table 1 5 Extensa 900 Specifications Characteristic Model 900 Series Specifications CPU Pentium P54CSLM 133 MHz 3 1 Volt Internal
131. fer files between computers use a remote mouse during a presentation or receive information from a PDA or pocket organizer To transfer a file follow these steps Align the FIR ports of the two devices making sure that the distance separating them is between six inches and three feet one meter After the devices are aligned use TranXit software located the TranXit group to complete the communication process For further information refer to the online TranXit Quick Reference Guide NENNEN 3 8 Operating Instructions 3 7 Using Zoomed Video Features Your computer supports Zoomed Video ZV PC Cards through the PC Card slots ZV PC Cards connect to the internal ZV port allowing advanced multimedia capabilities such as video conferencing and on screen television at full smooth motion The Zoomed Video port adds a dedicated video bus that provides a direct link between a PC Card and the VGA accelerator audio DAC This detour lets video and audio data bypass the PCI bus reducing bandwidth impositions and improving system performance for more fluid audio and video 3 7 1 MPEG PC Card optional MPEG PC Card uses the Zoomed Video port built into the computer to display MPEG video and audio on the computer The MPEG card features MPEG 1 video playback with 16 7 million colors MPEG 1 audio layers I and II is MPC3 compliant and Windows 95 Plug and Play With this option you can run full motion video combi
132. for Windows displays Language for keyboard installed Printer type As part of the Windows setup you are prompted to choose a printer Microsoft includes the files for many different printers If you cannot find your printer in the list you will need the floppy disk with the printer driver provided by the printer manufacturer If you do not want to install a printer at this time you can skip this part of the setup Which operating system to load Operating System During initial setup you must choose which operating system to load either Windows 95 or MS DOS and Windows for Workgroups DOS WFW This choice is final You will not be able to change the operating system after installation is complete For most users Windows 95 is the better choice You might want to load DOS WFw under the following circumstances Your corporation or workgroup may have guidelines that require use of DOS WFW Check with your manager to determine the policy at your company The software that controls your local area network may not be compatible with Windows 95 Check with your network administrator to determine whether Windows 95 is compatible Although most software that is compatible with DOS WFW is also compatible with Windows 95 it is possible that the existing software you are using will not run in Windows 95 If you have a critical software application that you intend to copy to your new computer check with the manufacturer of the
133. for conflicts with fixed I O post Shutdown Eight Table LABEL post Proc POST BIOS C 3 094 post Disable A20 FAR Before Init OPTIONAL 085 pci Init OPTIONAL 082H io RS232 Test Code O84H io Parallel Test Code 086 10 After Init Initialize Bios Data Area and Extended Bios Data Area Initialize hard and floppy disk controllers Initialize MP Environment 088 post Bios Init FAR OSCH post Floppy Test FAR fdisk Post Test FAR post Init Ext FAR O8BH feat Mouse Test OPTIONAL FAR 095 hdd CD Test OPTIONAL FAR 093H mp Init OPTIONAL 092H user Patch2 Set up Power Management Enable hardware interrupts Set time Check for key lock Init typematic rate O9CH pm Setup OPTIONAL O9EH post Enable IRQs FAR OAOH post Set Time Of Day FAR OA2H post Key Lock Test FAR OA4H feat Init Keyboard Rate OPTIONAL FAR Erase F2 prompt Check to see if F2 key was pressed Optionally print Press F1 or F2 prompt and or enter SETUP OA8H post Erase F2 Msg FAR OAAH post Scan For F2 FAR OACH post Setup Check FAR Clear the In Post flag Check for errors Prepare to boot Beep once Optionally check password OAEH post Clear Boot Flag FAR C 4 POST BIOS OBOH post Error Check FAR OB2H post Done FAR post One FAR OB5H quiet Boot End OPTIONAL FAR OB6H feat Check Password OPTIONAL FAR Clear parity c
134. hannels four for 8 bit data size three for 16 bit data size 32 bit addressability Provides compatible transfers 4 10 Theory of Operation Provides type transfers Interrupt controller Provides 14 interrupt channels Independently programmable level edge triggered channels Counter Timers Provides 8254 compatible timers for system timer refresh request speaker output use Keyboard controller Built in PS2 AT keyboard controller The specific I O is used to save the external TTL buffer Real time clock Built in real time clock 128 byte CMOS RAM with 2 Plug and Play port support Programmable chip select Steerable interrupt request lines PMU interface Supports CPU SMM mode SMI feature Supports programmable stop clock throttle Supports the APM control Provides external suspend mode switch turbo switch ring in switch Provides four system states for power saving on doze standby suspend Provides three timers from 1 second to 300 minutes to individually monitor VGA MODE IN status Supports RTC alarm wake up control IDE interface Built in PCI IDE master controller Theory of Operation 4 11 Supports PIO modes up to mode 5 timings and multiword mode 0 1 2 8 x 32 bit pre read and posted write buffers Dedicated pins for ATA interface Supports up to 256 KB ROM size decode Reserved USB interface 208 pin pa
135. has failed A key is Circuitry associated with the memory chips has failed Hardware interrupt or NMI occurred while in protected mode The RTC or battery failed 5 3 3 2 POST Beep Error Messages In the event of a hardware problem that affects the display the Notebook also communicates errors a series of beeps These codes may be heard over the system s speaker as a series of beeps long and short duration The interpretation of the beep codes is provided in Table 5 3 Make sure the keyboard cable and keyboard are connected properly Check the keyboard controller and the system board Turn the power off then back on again If the problem persists contact qualified service personnel Check the keyboard controller and system board Turn the power off then back on again If the problem persists contact qualified service personnel Locate the jammed key and fix it Make sure the keyboard cable and keyboard are connected properly Turn the power off then back on again If the problem persists contact qualified service personnel Turn the power off then back on again If the problem persists contact qualified service personnel Check the timer chip or the interrupt controller on the system board Run Setup and turn the power off and on If the problem persists replace the RTC battery If the problem remains contact qualified service personnel To recover from a self test error
136. he computer other adapters can damage the unit Installation 2 13 1 Remove the AC adapter from the packaging Connect the round coaxial connector supplied with the notebook to the DC IN power receptacle on the left rear of the notebook as shown in Figure 2 9 2 Connect the female side of the AC power cord to the AC adapter and connect the male end to a grounded AC outlet Figure 2 11 Installing the AC Adapter 2 7 Initial Software Load After unpacking and setting up the notebook for the first time you must perform an initial software load that takes approximately 30 minutes Because of the way Windows 95 structures its files stopping in the middle of the setup process can cause irreversible file damage 2 14 Installation Before starting the initial software load process ensure that you have the following Extensa 900 User s Guide Contains latest software installation instructions AC Adapter Access to AC power Although the battery pack may have some charge it may be insufficient for the entire set up Loss of power during setup can cause irreversible file damage Certificate of Authenticity You will need to enter the number from your Windows 995 Certificate of Authenticity during Windows 95 Setup This certificate is part of the Windows 95 documentation kit You need this number even if you are installing Windows for Workgroups Language During initial setup you choose the following Language
137. heckers Optionally clear the screen Optionally display any reminder messages Try to boot via INT 19 OBCH post Clear Parity FAR OBAH post DMI Config OPTIONAL FAR OBDH feat Boot Menu OPTIONAL FAR OBBH pnp Oprom InitBCVs OPTIONAL FAR OBEH post Clear Screen FAR OBFH post Check Reminders OPTIONAL FAR fdisk Pre Fast Init OPTIONAL 091 fdisk Fast Init OPTIONAL O9FH fdisk Rest Fast Init OPTIONAL 097 post Mp Fix Up Table OPTIONAL OCOH postInt19 postSegment ENDS NENNEN POST BIOS C 5 i INSTRUMENTS
138. hematic Diagrams 25 Figure A 1 Notebook Main Board Logic Diagrams Sheet 24 of 30 DEBUG BD GOLDEN FINGER SD0 1 5 SD1 2 45V o SD2 3 SD3 4 SRP10K 410 42 _43 44 4 HOCHRDY 45 0 46 4 tt 47 0 4 48 0 49 50 0 SRP100K 5V aig LA18 3 1 17 4 lt 015 l5 Nr SRP100K 012 MS DBG GF80 ARARA SRP10K JORs Jows Pie pp SRP10K 419 lt 4 19 4 19 4 19 4 19 4 19 4 19 8 _ MEMCS16 2 8 lt REFRESH 14 thet SRN100K 258 1KR3 5 R263 IOCHK 4 10KR3 Figure A 1 Notebook Main Board Logic Diagrams Sheet 25 of 30 A 26 Notebook Schematic Diagrams PS2 INTERFACE m FA 19 1 2 VY SPOLY100 MLB321611 SRN10K WwW 1 2 4 7 R1 L4 14 21 IAN is
139. in the interrupt at address Type displayed if the expected System R eboot other keys to interrupt handler is not enabled continue Unexpected SW interrupt Error s in the software Turn the machine off and then interrupt at address Type program Not displayed if the on again If doesn t work check R eboot other keys to extended interrupt handler is the program continue not enabled Unexpected type 02 interrupt at A parity error occurred butthe Turn the power off and then on xxxxh Type S hut off NMI source can not be determine again R eboot other keys to continue 5 3 5 PCMCIA Modem Problems If an optional PCMCIA modem does not work properly check the following items Dialing problem or wrong number Try dialing a number that you have previously dialed successfully Faulty phone line Connect a telephone to the line and listen for a dial tone Software program Check to ensure that you have installed the software correctly 5 4 General Fault Isolation Procedures If troubleshooting a sytem containing a docked MPB try undocking the Notebbok and tracing the malfunction to either the notebook or the MPB Table 5 5 contains a summary of general problems that may occur during operation of the notebook and the appropriate corrective actions that should be taken for each For other symptoms go on to Paragraph 5 5 and troubleshoot the notebook using PC Doctor Diagnostics 2
140. irectional Parallel Port Enhanced Parallel Port EPP compatible Theory of Operation 4 15 Extended Capabilities Port ECP compatible including level 2 support Bidirectional under either software or hardware control Compatible with ISA and EISA architectures Ability to multiplex FDC signals on parallel port pins allows use of an external Floppy Disk Drive FDD Includes protection circuit to prevent damage to the parallel port when a connected printer is powered up or is operated at a higher voltage Software compatible with the PC16550A and 16450 MIDI baud rate support Infrared support on UART2 IrDA 1 0 SIR IrDA 1 1 MIR and FIR and Sharp SIR Address Decoder 6 bit or 10 bit decoding External Chip Select capability when 10 bit decoding Full relocation capability no limitation Enhanced Power Management Special configuration registers for power down Enhanced programmable power down FDC command Auto power down and wake up modes 2 special pins for power management Typical current consumption during power down is less than 10 uA Reduced pin leakage current Voltage support 3 3 5V operation General Purpose Pins 1 pin for 2 separate programmable chip select decoders be programmed for game port control Plug and Play Compatible 4 16 Theory of Operation 16 bit addressing full programmable 10 selectable IRQs 4 selectab
141. ity Base are provided in Appendix B of this manual Notebook Schematic Diagrams A 1 Sav 5 SNNN 62 NNOOCHT 85 NNOD AHLLLVB H3OHVHO 5 X OL d 9 NECTION SOD tH TIOHINDO 3CI MS HOSHAMOd HOS HOUWSON 22 2 NNOD HOS NNOOWOOU LZ Olds Olds Oc Md HOS eo GL SALLI don 9 OWPNOHd dit OKNY 8L p
142. le Channels 3 SIRQ Inputs allows external devices to mapping IRQs 100 pin package PC87338VJG 4 2 8 Hard Disk Drive Subsystem The Hard Disk Drive Subsystem implemented on the Main Board Board and on the associated hard disk drive module s provides disk storage for all system software and user files notebook is equipped with a high capacity hard disk drive The hard disk drive also features built in power conservation features configured from the standard CMOS Setup Routine An Automatic Power Down mode can be selected which powers down the drive motor during periods of inactivity An additional level of power conservation may also be selected which powers down the motor plus all control circuits The hard disk drives are factory formatted as a single drive Drive C and are preloaded with installation versions of Windows 95 or Windows for Workgroups in dual load versions the user selects operating system during software installation Hard Disk Controller is implemented with the PCIO643 Controller Chip described in greater detail in the following paragraph 4 2 8 1 0643 Features Capable of 16 MB second transfer rates in DMA mode up to 20 MB second in PIO mode Supports bus master DMA at 133 MB second PCI burst rate Support PCI DMA transfers for both DMA capable and PIO only drives Fully supports ATAPI DMA PIO transfers 2 channels supports up to 4 IDE drives Surpass
143. le the basic memory size can be expanded to a maximum of 80 MB Address Function 0087 0083 0081 0082 Cascade 008B 0089 008 Audio option ECP FIR Audio Diskette ECP FIR Audio Cascade Spare Spare Spare Theory of Operation 4 5 4 2 2 2 Flash ROM versions of the Extensa notebook family use a Flash ROM that contains both the main system BIOS and the VGA BIOS The Flash ROM contains Boot Block logic that allows downloading new versions of BIOS without destroying the Boot Load area The Flash ROM execution is 8 bits wide However better performance can be attained by enabling the Shadow ROM in the CMOS setup routine or by selecting the Windows Control Panel Applet When the Shadow ROM is enabled BIOS is copied into a 32 bit high speed system 4 2 3 System Controller Function The Extensa 900 Series notebook design uses two chips the ALIM 1521 memory Cache and DRAM Controller for the Pentium System and the M1523 PCI to ISA Bridge chip combine to provide the 586 system controller function for the new multimedia multithreading operating system Windows 95 notebook utilizes the package to improve the AC characterization resolves system bottleneck and make the system manufacturing easier The system architecture includes the UMA ECC PBSRAM SDRAM BEDO and multi bus with highly efficient deep FIFO between the buses such as the HOST PCI ISA dedicated IDE bus The I O Address Map for
144. le 6 2 Microphone Keyboard Assembly Speaker Battery Heatsink Assembly Power Supply Board Main Board AR Notebook with Keyboard and Battery Removed Battery Connector Cable Assembly LED Board TU un eel VGA Video Touchpad Board Assembly Figure 6 3 Notebook Base Assembly Major FRUs eee 6 6 Field Service Table 6 2 Base Assembly Field Replaceable Units FRUs Base Assembly FRU Description Assembly TI Part No Disassembly Paragraph PWB Assemblies PWB ASSY MAIN BOARD W O CPU EXT 90X 6 5 15 9813651 0001 PWB ASSY VGA BOARD EXT 90 X 6 5 11 9813652 0001 PWB ASSY LED BOARD EXT 90X 6 5 8 9813653 0001 PWB ASSY CPU BOARD EXT 90X 6 5 9 9813654 0001 PWB ASSY DC IN BOARD EXT 90X 6 5 13 9813655 0001 PWB ASSY BATTERY BOARD EXT 90X 6 5 12 9813656 0001 PWB POWER SUPPLY EXT 90X 6 5 12 9813643 0001 Keyboards KEYBOARD US EXT 90X 6 5 5 9813648 0001 KEYBOARD UK EXT 900 6 5 5 9813648 0002 KEYBOARD GER EXT 900 6 5 5 9813648 0003 KEYBOARD FRA EXT 900 6 5 5 9813648 0004 KEYBOARD SPA EXT 900 6 5 5 9813648 0005 KEYBOARD SWI GER FRA EXT 900 6 5 5 9813648 0006 KEYBOARD ITA EXT 900 6 5 5 9813648 0007 KEYBOARD POR EXT 900 6 5 5 9813648 0008 KEYBOARDS SWE EXT 900 6 5 5 9813648 0010 KEYBOARD DEN EXT 900 6 5 5 98136
145. lick on Help for the Synaptics Touchpad drivers online documentation 3 4 Using a CD ROM Drive MPB Option Only An optional CD ROM drive installed in the modular bay of a docked Mobile Productivity Base option provides fast access to text programs graphics sound animation and video on a standard CD With an optional MPEG PC Card installed you can play back approximately 75 minutes of MPEG1 compressed full motion video from a CD 3 4 1 Inserting a CD MPB Option Only 1 With the system powered up press the eject button on the front of the CD ROM drive to eject the disc tray 2 Slide out the disc tray 3 Place the CD label side up in the depression on the disc tray 4 Slide the disc tray into the drive 3 4 2 Handling CDs MPB Option Only Follow these guidelines to avoid damaging your CDs When removing a CD from its protective case or loading a CD into a drive hold the CD by its central hole and outer edge Never touch the data surface non label side 3 6 Operating Instructions To protect the CD against scratches and dirt when not in use keep the CD in its protective case Clean a CD with a clean dry lint free cloth Always wipe from the center to the edge Don t wipe the CD in a clockwise or counterclockwise direction Keep CDs away from high temperatures and direct sunlight 3 5 Built In Sound System Extensa 900 Series Notebook comes with an internal microphone and stereo speakers
146. lity of causing the problem Table 5 1 Display Troubleshooting Guide Problem Description Inverter LCD Display Mother BIOS Board Panel Cable Board Single line on LCD display horizontal Low High Medium Low Low or vertical Multiple lines on display horizontal or Low Medium Medium Low Low vertical Sections of the display are missing Low Medium Medium Low Low characters Scrambled Display Low Medium Low Medium Medium Intermittent characters on display Low Medium Medium Medium Low Bright display no visible characters Low Medium Medium Medium Low Brightness level fluctuating or display High Low Medium Low Low blinking on off Display goes dim over time High Medium Low Low Low Dim display but characters very Medium Medium Low Low Low visible Very dark display and characters are High Low Low Low Low slightly visible when a light is directed at surface of the display Very dark display and no characters Low High High Medium Low are visible 5 3 3 Fault Isolation Using Power On Self Test When the computer is first powered up it automatically performs a Power On Self Test POST that checks the notebook s central hardware and memory functions During POST which lasts for a few seconds the display shows copyright and version number information Note Some procedures in this paragraph require you to use keystroke sequences such as Ctrl Alt Del To execute a keystroke sequence su
147. lso disconnect the MPB Paragraph 6 5 3 if attached Remove the Display Bezel as described in Paragraph 6 5 17 Gently fold back the foil around the display and unplug the inverter cable CN2 Next remove the screw securing the DC AC Inverter Board larger of the two PWBs and the LCD ID Board smaller of the PWBs to the display back cover Press down on the latch refer to Figure 6 24 and remove the Inverter Boards Replacement is the reverse of Steps 1 through 5 Figure 6 24 Removing Replacing the Display Inverter Boards Field Service 6 31 6 6 Removing Replacing FRUs 6 6 1 Removing Replacing the Media Bay Device remove and replace a MPB Modular Bay Device e g CD ROM Drive or Floppy Disk Drive use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Unlatch the module by pressing the latch at the base of the MPB toward the unlock icon rear of MPB refer to Figure 6 25 Simultaneously grasp the recessed grip area on the module and pull module out of the MPB Installation is the reverse of Steps 1 through 3 Modular Bay Mobile Productivity Release puse Latch Figure 6 25 Installing Removing Media Bay Devices 6 32 Field Service 6 6 2 Removing Replacing the MPB Battery To remove a
148. lz 5 UIE T T U12D U19F 4 4 4 4 4 12 13 12 9 13 aly 5 SSHC14 5 SSHC14 SSHC14 tz SSHC14 SSHCTO4 U6G4A U67B 9 u67D 1 vec or gU ex L L I SSHC32 SSHCT74 1 5 L i 5VSB 5VSB U54A T usic T U91D 4 4 4 U14A 1 12 3 x 1 2 10 13 2 Iz Tz TSHCTOO U48D 12 AUDIO 45VA H U43B 1 0750 14 2 vec 1 cK e SOHC4066 SSHC74 AUD GND 33 M 33V 1 uec 4 1 4620 1 US1A 1 us1B 4 0 4 13 4 4 3 9 12 1 3 x SOLCX125M SOLCX125M EL SOLCX125M 4 SSHC14 Figure A 1 Notebook Main Board Logic Diagrams Sheet 30 of 30 Notebook Schematic Diagrams A 31 MPB Schematic Diagrams 1 Introduction This section contains schematic diagrams for the Extensa 900 Mobile Productivity Base Logic schematics for the MPB are provided in Appendix A of this manual MPB Schematic Diagrams B 1 HOLO3NNOO
149. mented on the Main Board Assembly and the Keyboard Assembly Video Subsystem implemented the Main Board and LCD Display Panel assemblies Sound Subsystem implemented on the Main Board Assembly Touchpad Mouse Subsystem implemented on the Touchpad assembly and on the Main Board Assembly Hard Disk Drive Subsystem implemented on the Main Board Assembly and the Hard Disk Drive Assembly Floppy Disk Drive Subsystem implemented on the Main Board Board and Floppy Disk Drive Assembly PCMCIA Controller and Sockets implemented on the PCMCIA Module on the Main Board Power Subsystem implemented on the Main Board the battery pack and the AC adapter Theory of Operation 4 1 586 Graphic controller PCI Bus IDE Master Figure 4 1 Extensa Functional Block Diagram 4 2 Theory of Operation 4 2 1 System Processor The System Processor function for the notebook is implemented on the Main Board in the form of an Intel Pentium P54 C Superscalar 586 Processor Chip The processor operates in conjunction with RAM and ROM Memory and other control logic to process software instructions BIOS DOS Windows and applications The processor communicates with the hard disk drive and the memory components using high speed busses The Processor also interacts with other hardware logic to provide the power savings features for the notebook These features in
150. mputer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the screw that secures the Power Supply Board Assembly to the Main Board and remove the board from the base assembly Replacement is the reverse of Steps 1 through 4 Power Supply Board Battery Connector Cable Assembly Figure 6 17 Removing Replacing the VGA Video Board Assembly NENNEN 6 24 Field Service 6 5 13 Removing Replacing the DC In Board Assembly To remove and replace the DC In Board Assembly use the following procedure 1 Turn off the computer disconnect the power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Unplug cable connectors CN9 and CN10 and remove the board Replacement is the reverse of Steps 1 through 4 Figure 6 18 Removing Replacing the DC In Board Assembly Field Service 6 25 6 5 14 Removing Replacing the Card Module To remove and replace the PC Card Module Assembly use the
151. n If the problem persists contact qualified service personnel Shutdown failure Either the keyboard controller Check the keyboard controller is not accepting the reset and system board Turn the command or the associated power off then back on again reset logic has failed If the problem persists contact qualified service personnel Time of day not set run Real time clock not set Run the Setup utility SETUP program Timer 2 failure The timer chip has failed Check the system board Turn the power off then back on again If the problem persists contact qualified service personnel F2 to enter ROM based Invalid configuration You must run the Setup utility SETUP information must be and correct configuration changed information Invalid configuration Display adapter is configured Run the Setup utility information please run incorrectly SETUP Memory size is incorrect Wrong number of disk drives Other configuration errors Dmm D Troubleshooting Procedures 5 7 Table 5 2 POST Error Messages continued possible cause Keyboard clock line failure Keyboard data line failure Keyboard stuck key failure Memory failure at hex value read hex value expecting hex value Unexpected interrupt in protected mode Real time clock failure The keyboard the keyboard cable connection or the keyboard controller is defective The keyboard controller firmware
152. n provides a general overview of the Extensa 900 Series describes the standard and optional features and identifies the major assemblies and subassemblies This section also contains detailed functional and environmental specifications for the Extensa 900 Series Notebook Computers Figure 1 1 Extensa 900 Series Notebook Computers Basic Extensa 900 Series Extensa 900 Series Notebook with Mobile Productivity Base 1 2 Product Overview The Extensa 900 Series Notebook Computers are ultra slim large screen high performance multimedia notebooks powered by the Intel P54CSLM Pentium Processor Chip 133 MHz The Extensa 900 can be equipped with an optional Mobile Productivity Base that allows for quick connect disconnect to from the desktop environment and expanded functionality modular bay and Advanced PCI card features Other major features of the 900 Series include 133 MHz Pentium processor with internal 256 KB cache memory and math coprocessor General Description 1 1 Powerful PCI Bus architecture 16 MB main memory expandable to 80 MB using 8 MB 8 MB 16 MB 32 MB or 64 MB EDO 64 bit type small outline dual inline memory module soDIMM upgrades 256 Level 2 cache memory Built in 2 5 inch IDE high capacity 1 35 GB or greater Hard Disk Drive External Floppy Drive Module attaches to the Parallel Port Advanced video features DSTN or TFT internal color display Simultane
153. nd replace an MPB battery pack or dummy battery pack use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Using your thumbs unlock the two battery locks at each side of the MPB refer to Figure 6 26 3 Pull the module out of the MPB 4 Installation is the reverse of Steps 1 through 3 Unlocking the Battery Battery Groove Removing the Battery Figure 6 26 Installing Removing Battery Pack in MPB Field Service 6 33 6 6 3 Removing Replacing the MPB Housing remove and replace the MPB housing use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Using your thumbs unlock the two battery locks at each side of the MPB refer to Figure 6 26 3 Pull the module out of the MPB 4 Slide the Lever Release Latch forward to release the Docking Lever extend Docking Lever 90 degrees from the side of the MPB 5 Remove fourteen screws from the top of the MPB as shown in Figure 6 27 6 Lift up on the top section of the MPB Housing from the left side as shown in Figure 6 27 then pull to remove the
154. ned with digital audio graphics text and data enabling you to create far more effective presentations or play the most advanced video games 3 8 Battery Saving Tips There are a number of actions you can take to reduce the rate at which your computer depletes the battery By taking some or all of these actions you can substantially increase the time you can operate on battery power before recharging the battery Reducing screen brightness Although the screen controller uses new technology to increase brightness without increasing energy consumption the screen is still the largest single consumer of the battery charge Reducing the brightness to the lowest acceptable level increases battery life To reduce the brightness press Fn Caching the hard disk drive By caching the hard disk drive you can reduce the length of time the hard disk drive is rotating and using energy Both Windows 95 and Windows for Workgroups use a disk caching program by default As long as you have not disabled these programs you can take advantage of the battery savings 3 8 1 Lowering Inactivity Timeouts Inactivity timeouts turn off devices in the computer when you are not using them Lowering the inactivity timeouts shortens the period of time the computer waits before turning off the device Operating Instructions 3 9 3 8 2 Suspending Operation While Idle Although the computer goes into Suspend mode automatically after a defined period of
155. not force the cover beyond its fully opened position about 180 degrees Never subject the computer to harsh environments dusty areas or areas of rapidly changing temperatures Never place anything on top of the computer particularly when it is operating or charging could result in overheating and damage to the computer Never move the computer while the hard drive is rotating press the Suspend button to put the computer in a Sleep mode before closing cover Never expose the computer hard disk drive s or disks to strong magnetic fields such as those generated by transformers speakers or telephone handsets 6 2 3 Handling the Computer Battery Pack The battery pack furnished with the computer requires reasonable care and handling to ensure efficient operation and maximum life Periodically inspect the battery terminals and the batteries for evidence of corrosion and oxide build up clean if necessary To ensure that the battery packs endure normal life cycle always observe the following precautions when handling the battery packs Do not drop the battery pack or subject it to excessive shock and vibration Do not expose the battery pack to direct sunlight moisture or chemical compounds Do not disassemble the battery pack Do not use the battery pack to power other devices Do not short the battery leads or connect the battery with reversed polarity Never attempt to charge the battery pack in
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157. o the online manual 5 5 3 User Interface to PC Doctor PC Doctor is structured as a text mode windowed user interface with pull down menus Program operation requires the use of the following keys Cursor Keys Moves the highlighted pointer Enter Key Selects the highlighted option Esc Key Cancels current function and goes back one step F1 Key Activates the context sensitive help feature pressing F1 twice in a row calls up the online Technical Reference Manual for PC Doctor Scrolling windows which show the results of various operations use the following keys Page Up Page Down Moves the screen one page at a time F2 Prints the log to Saves the log to a file You can also use the mouse or Point to interact with PC Doctor The leftmost Select key is used to choose objects menu entries and action codes typically enclosed in brackets The rightmost Select key is equivalent to the Esc key which takes you back to your previous step 5 5 4 Quitting PC Doctor exit PC Doctor select the Quit pull down menu and then select the Quit option Note For additional information access the Online Reference Manual for PC Doctor Dm I e SM M Y MlM c MEC Troubleshooting Procedures 5 15 6 Field Service 6 1 Introduction This section contains general preventive and corrective maintenance procedures that apply to all members of the Exten
158. ompt Press F2 to enter SETUP 04BH quiet Boot Start OPTIONAL FAR 4 post Copyright Display FAR cpu Display FAR 051 eisa Init OPTIONAL post Display F2 Message FAR Disable the CPU cache Size and test the system memory Size and test the extended memory Test extended memory address lines User hook 1 cpu Cache Off 5 post Memory Test FAR O60H post Extended Memory Test FAR 062H post Extended Address Test FAR 064H user Patchl Enable and configure the cache Display the cache size if a cache was detected and enabled Display size of shadow RAM size of non disposable BIOS O66H cache Adv Config 068 cache Configure post Display Cache Size FAR O6CH post Display Shadows FAR post Display Non Disposable FAR Display any POST errors Check for configuration errors Test Real Time Clock Check for keyboard errors 070 post Display Error Messages FAR 072H post Test Config FAR 074 post Test FAR Set up hardware interrupt vectors Test coprocessor if present Return to standard real mode O7CH post Setup Hardware Vectors FAR O7EH cpu Coprocessor Test FAR 096 post Clear Huge ES Disable programmable I O devices Detect and install fixed RS232 ports Detect and install fixed parallel ports Init PC compatible PNP amp PCI devices COM LPT floppy etc Re enable programmable I O and check
159. ook The installation process consists of the following steps Caution The EDO soDIMM module option contains components that are sensitive to static electricity When handling the module and the internal parts of the computer protect against static electricity by using wrist or ankle grounding straps and grounded working mats When moving or storing items use the anti static bags supplied with the items 1 Ensure that the notebook is powered off and the AC adapter disconnected from the AC outlet Also ensure that all batteries are out of the unit 2 Disconnect any peripheral device interface cables from the external interface connectors and remove any installed PCMCIA options 3 Turn the notebook over and locate the Expansion Memory Access Cover on the bottom of the notebook 4 Remove the screw holding the Expansion Memory Access Cover and remove the cover 5 Remove the EDO soDIMM module from its shipping container 6 Refer to Figure 2 1 To install an soDIMM module first align the connector edge of the memory module with the key in the connector Insert the edge of the memory module board into the connector using a rocking motion to fully insert the module Push downward on each side of the memory module until it snaps in place 7 Reinstall the Expansion Memory Access Cover using the screw removed in Step 4 8 Replace the batteries and AC adapter 9 Power up the notebook If all of the installed memory is not recognized tr
160. or use instructions for the Extensa 900 Series Notebook Computers This includes Removing the computer and all manuals options and accessories from the shipping container s Installing Internal Notebook Options Installing External Notebook Options Installing Battery Packs Installing Desktop Devices Installing the AC Adapter Checking Out the System Installing the System Software Making Backups of System Software Loading Application Software 2 2 Unpacking Instructions Unpack the computer using the following instructions 1 Carefully cut the tape that seals the top of the shipping carton 2 Remove the computer and the accessories carton from the main shipping carton 3 Remove all protective coverings from the computer 4 Open the accessory box remove the contents Note Save the two shipping containers and packaging for later reuse Installation 2 1 2 3 Installing Internal Notebook Options If you have no internal options to install at this time skip to Paragraph 2 4 Otherwise continue with Paragraph 2 3 1 2 3 1 Installing Main Memory Expansion Optional Main memory on the 900 Series Notebooks can be expanded using an EDO Small Outline Dual Inline Memory Module EDO soDIMM These modules are available in 8 MB 16 MB 32 MB and 64 MB sizes and install in the expansion memory slot on the System Board accessed through the Memory Expansion Door on the bottom of the noteb
161. ound Equipment 3 8 Using Remote Connections 3 8 Using the Fast Infrared FIR Port 3 8 Using Zoomed Video Features 3 9 MPEG PC 3 9 Battery Saving Tips 3 9 Lowering Inactivity Timeouts 3 9 Suspending Operation While Idle 3 10 Responding to a Low Battery Condition 3 10 Replacing the Battery 3 11 Saving to Disk 3 11 iv Contents Contents continued Paragraph Page Section 4 Theory of Operation Introduction 4 1 Notebook Functional Overview 4 1 System Processor 4 3 Memory Subsystem 4 5 Main Memory 4 5 Flash ROM 4 6 System Controller Function 4 6 ALI M1521 Memory Cache and DRAM Controller 4 8 ALI M1523 PCA ISA Bridge 4 9 Video Subsystem 4 12
162. ous display with external CRT 2 0 MB video memory Fast video graphics accelerator Built In 86 87 key keyboard Internal touchpad pointing device with two Select buttons Fast Infrared communications Built in audio features 16 bit stereo audio Line In Line Out and Microphone In stereo jacks Small lightweight AC adapter auto switching 90 VAC to 264 VAC 50 60 HZ Portable power system with advanced power savings features for extra long battery life Zero Volt Suspend 5 Volt Suspend and Standby power saving modes Rechargeable Li Ion battery pack Powerful expansion capabilities including Flexible set of desktop ports including external CRT and simultaneous LCD and external CRT display 9 pin serial port parallel port for external printer floppy drive PS 2 port for external keyboard or mouse PC Card slots for two Type I or II options or one Type III option Mobile Productivity Base ready Figure 1 2 identifies the major external notebook features 1 2 General Description Power Switch Right Status Indicators Battery Audio and Touchpad Pack Mic Jacks Speaker Left Battery Lock Parallel Port PS 2 AC Adapter Port Connection Speaker Right Battery Lock Bottom of Unit HDD Access Cover Expansion Memory Acess Cover Figure 1 2 900 Series Notebook External Features 1 2 1 Video Display Features The Extensa 900 Series Note
163. ove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Use a sharp object to remove the six bezel screw covers and remove the six Screws 3 Pull out and remove the Display Bezel 4 Replacement is the reverse of Steps 1 through 3 Figure 6 22 Removing Replacing the Display Bezel Field Service 6 29 6 5 18 Removing Replacing the LCD To remove and replace the LCD use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Remove the Display Bezel as described in Paragraph 6 5 17 3 Remove three screws securing the LCD Assembly and pull up on the LCD Panel Figure 6 23 4 Tilt the LCD Panel away from the display cover unplug the LCD Panel from the Display Cable Assembly Figure 6 23 and remove the LCD Assembly 5 Replacement is the reverse of Steps 1 through 4 Figure 6 23 Removing Replacing the LCD Assembly 6 30 Field Service 6 5 19 Removing Replacing Display Inverter Boards To remove and replace the Display Inverter Boards use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 A
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165. pend or Standby mode 3 10 Operating Instructions 3 8 4 Replacing the battery If you have a spare charged battery you can do one of the following Insert a secondary battery into the MPB option if installed If you already have a battery in a docked MPB you can replace the primary battery without turning off the computer If you cannot insert the spare battery suspend operations to disk by pressing 2 and replace the battery When you turn on the computer the computer returns to the saved state 3 8 5 Saving to Disk When the battery power becomes critically low less than 596 charge remaining the computer saves the current state of the computer to disk and turns off When you turn the computer on again the computer restores the state that was saved to disk Operating Instructions 3 11 4 Theory of Operation 4 1 Introduction This section contains a general block diagram theory of operation description of the Extensa 900 Series Notebook Computers Note Various internal components may change on future models and busses bus speeds are subject to change 4 2 Notebook Functional Overview The Extensa 900 Series Notebooks consist of eight major functions or sections including System Processor implemented on the Main Board Assembly Memory Subsystem implemented on the Main Board Assembly I O Subsystem implemented on the Main Board Board Keyboard Subsystem imple
166. puts and headphone speaker outputs The sound subsystem also includes a variety of sound utilities that combine to provide additional multi media functions 4 2 5 1 ESS1878 Audio Controller with Interface to Expansion Audio Mixer The ES1878 is a member of the ESS family of audio controllers that includes the 51868 It shares most of the features of the ES1868 and includes new features such Theory of Operation 4 13 as support for the expansion audio mixer chip the ES978 and new IIS serial port and stereo D A converter A 4 wire expansion analog bus and 2 wire serial control bus connect the ES1878 and the ES978 4 2 5 2 ES1878 Features Hot dock interface to expansion audio mixer ES978 Plug and Play support using internal resource ROM Monophonic full duplex using two DMA channels Self timed joystick port digital joystick Support for up to 7 general purpose outputs and 7 general purpose inputs that can be slaved with corresponding pins of ES978 in expansion unit IIS interface to intemal stereo D A for external ZV port or MPEG audio Completely general interrupt mapping including sharing all interrupts 4 2 6 Keyboard Subsystem keyboard subsystem implemented on the Keyboard Assembly and the Main Board Assemblies Board consists of the following major sections Keyboard Assembly Keyboard Scanner Status LED Interface 4 2 7 I O Subsystem The I O subsystem is implemented with an
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168. rator input for testing the keyboard video sections sound subsystem mouse joystick disk drive printer subsystem and the SCSI CD ROM Drive subsystems supported by the docking station options Utility that provides detailed system information such as configuration data allocation and use of system memory IRQ and DMA use what device drivers are installed what COM and LPT ports are assigned and what ports are available partitioning data for fixed disk drive s VGA setup information software interrupts and interrupt vectors and installed SCSI options Group of special purpose utilities to run other tests from PC Doctor perform a virus scan of the system edit configuration files surface scan hard drives measure system performance open a DOS prompt provides terminal access to devices connected to serial ports supports memory debug operations enables remote operations permits deep discharge of notebook batteries and provides an extensive test reporting function 5 14 Troubleshooting Procedures 5 5 2 Supporting Online Documentation The PC Doctor Diagnostic contains the following online information sources Online Technical Manual Selected at any time by pressing F1 key twice or by clicking on the Question Mark in the upper left hand corner of any PC Doctor Menu On line Help system Provides context sensitive information from every PC Doctor screen accessed by pressing F1 key once pressing F1 twice gets you int
169. rding and attempting to resolve any displayed error messages or error beeps refer to Paragraph 5 3 3 1 and Tables 5 1 and 5 2 Rebooting the system Ctrl Alt Del If the computer is capable of running the Setup program checking the serial and parallel port configurations Sound System enable disable and other features that may affect system operation Running PC Doctor Diagnostics to further isolate problem area refer to Paragraph 5 5 For indicated hardware failures cycling power and repeating self test to verify that a hard failure has occurred Removing and replacing suspect hardware as described in Section 6 of this manual and retest the system using the diagnostic tests as described in Paragraph 5 4 5 Troubleshooting Procedures 5 1 TROUBLE INDICATION INDICATION YES YES When Power button is pressed no indication of power is present dark LCD no Status icons lit no disk drive activity etc DEAD COMPUTER SYMPTOMS YES See Paragraphs 5 3 1 amp 5 3 2 Press Power button Selftest automatically runs when power turned on ERROR MESSAGE YES MODEM PROBLEM See Paragraph 53 5 YES See Paragraphs 5 33 1 and 5 3 32 RUN DIAGNOSTICS DIAGNOSTICS ERROR MSG YES See Paragraph 5 5 Figure 5 1 Notebook Computer Troubleshooting Flow Chart 5 2 Troubleshooting Procedures
170. register compatible Supports 16 bit distributed Direct Memory Access DMA on both PC Card Sockets Theory of Operation 4 19 Supports on both PC sockets Supports Zoom Video Mode Supports Ring Indicate Packaged 208 pin Thin Plastic Quad Flatpack PDV 4 2 11 Power Subsystem The notebook is equipped with a software hardware monitored controlled Power Subsystem that minimizes battery usage for prolonged battery operation and automatically recharges the batteries when the notebook is used with an AC adapter The control for the power subsystem is implemented with the ALI M6377 Power Management Unit chip as described below A simplified block diagram of the power subsystem is shown in Figure 4 3 4 20 Theory of Operation AS 7901244 Qquvo 4 1V8 DAS 009910 oianv us ASTIN AS IN gt 7901 9 cern 1VIN8806 AEE i AS W H31H3ANOO 20 94 1noivaoq LCXVIN 31901 2179 3Wnsau WVHA S 0SSS9 18851 926910 a31 1 H39HVHO 7 Figure 4 3 Power Subsystem Simplified Block Diagram lvd 4 21 4 2 11 1 ALI M6377 Power Management Unit The major features of the ALI M6377 Po
171. roubleshooting a Power Supply Problem 5 3 Troubleshooting a Display Problem 5 3 Fault Isolation Using Power On Self Test 5 4 POST Error Messages 5 5 POST Beep Error Messages 5 8 Run Time Error Messages 5 9 PCMCIA Modem Problems 5 10 Contents v Contents continued Paragraph Page Section 6 Troubleshootig Procedures continued General Fault Isolation Procedures 5 12 Fault Isolation Using Diagnostics 5 13 PC Doctor In DOS Mode or DOS Windows 5 13 Supporting Online Documentation 5 15 User Interface to PC Doctor 5 15 Quitting PC Doctor 5 15 Section 6 Field Service Introduction 6 1 Preventive Maintenance 6 1 Cleaning the Computer 6 1 Handling the Computer 6 2 Handling the Computer Battery Pack 6 2 Password Caution 6 3 Required Tools and Equipment 6 3 Notebook 5
172. rovides physical and electrical specifications Section 2 Installation Describes how to unpack install options and begin using the notebook Section 3 Operating Instructions Describes the notebook computer operating controls and indicators and basic operating procedures required to support maintenance operations Section 4 Theory of Operation Provides a block diagram level theory of operation for the Extensa Series Notebooks Section 5 Troubleshooting Procedures Provides troubleshooting procedures for the notebook computer series Section 6 Field Service Provides preventive and corrective maintenance procedures for the notebook computer series including FRU removal replacement procedures Appendix A Notebook Schematic Diagrams Provides schematic diagrams for the Extensa 900 Series Notebook Computer Appendix B MPB Schematic Diagrams Provides schematic diagrams for the Extensa 900 Series Mobile Productivity Base Preface ix Other Manuals About the System The following documents provide additional information related to the Extensa Notebook Computer Series Extensa Series Notebook Computers Users Guide Contains user reference information for the Extensa 900 Series Notebook Computers PC Doctor Help and Technical Reference online Ordering Parts and Supplies To order a copy of any TI publication or to order option kits spare parts or supplies for your system contact your TI re
173. rp SIR with data rate of 38 4 Kbps respectively compliant signaling protocol The parallel port is fully IEEE 1284 level 2 compatible The SPP Standard Parallel Port is fully compatible with ISA and EISA parallel ports In addition to the SPP EPP Enhanced Parallel Port and ECP Extended Capabilities Port modes are supported by the parallel port A set of configuration registers are provided to control the Plug and Play and other various functions of the PC87338 These registers are accessed using two 8 bit wide index and data registers The ISA I O address of the register pair can be relocated using a power up strapping option and the software configuration after power up When idle advanced power management features allows the PC87338 to enter extremely low power modes under software control The PC87338 operates at a 3 3 5V power supply 4 2 7 1 1 PC87338 Features 100 compatible with ISA architectures Floppy Disk Controller Software compatible with the DP8473 the 765A and the N82077 16 byte FIFO disabled by default Burst and Non Burst modes Perpendicular Recording drive support New high performance internal digital data separator no external filter components required Low power CMOS with enhanced power down mode Automatic media sense support with full TDR Tape Drive Register implementation Supports fast 2 Mbps and standard 1 Mbps 500 kbps 250 kbps tape drives Bid
174. sa 900 Notebook family The first part of the section describes the computer cleaning procedures and preferred handling procedures for sensitive components e g disk drives batteries second part of the section identifies all field replaceable parts the remainder of the section contains removal and replacement procedures for the field replaceable parts 6 2 Preventive Maintenance Preventive maintenance is limited to cleaning the plastic case keyboard and the display screen 6 2 1 Cleaning the Computer When it is necessary to clean the plastic case and keyboard use a soft lint free cloth slightly dampened with a mild detergent solution or use the contents of any commercially available computer cleaning kit Caution Never spray any liquids directly on the computer case keyboard or screen If the liquid crystal display LCD screen has become smeared or dusty clean the screen first with a soft clean lint free cloth and gently wipe the glass If the glass is still smeared use distilled water or a 25 solution of alcohol and distilled water Caution Do not use paper towels to clean the display screen Paper can scratch the display screen matte Field Service 6 1 6 2 2 Handling the Computer The notebook computer requires reasonable care and handling for extended life Some ofthe precautions to follow to protect your computer against accidental damage include Never pick up or carry the unit by the cover Do
175. seller Telephone Toll free 1 800 TI TEXAS X Preface Contents Paragraph Page Preface Introduction vii Intended Audience vii Contents vii Other Manuals About the System viii Ordering Parts and Supplies viii Section 1 General Description Introduction 1 1 Product Overview 1 1 Video Display Features 1 3 Internal LCD 1 3 External CRTs 1 3 Display Hot Key Sequences 1 3 Keyboard Features 1 4 Software Features 1 4 Standard Peripheral Devices 1 5 900 Series Connectivity Features 1 5 Notebook Expansion Capabilities 1 7 Memory Expanson l 7 PCMCIA Card Options 1 7 Mobile Productivity Base Option 1 7 Docking and Undocking 1 10
176. t Sink Assembly Removal Replacement To remove and replace the Heat Sink Assembly use the following procedure 1 Turn off the computer disconnect the power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Remove the Keyboard Assembly as described in Paragraph 6 5 5 3 Remove the four screws securing the Heat Sink Assembly to the notebook and remove the heat sink 4 Replacement of the Heat Sink Assembly is the reverse of Steps 1 through 3 1 Remove Keyboard Remove four screws and remove Heat Sink M M 1 Assembly 5 2 Figure 6 11 Heat Sink Assembly Removal Replacement Field Service 6 17 6 5 7 Display Assembly Removal Replacement To remove and replace the Display Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Remove the Keyboard Assembly as described in Paragraph 6 5 5 3 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 4 Refer to Figure 6 12 and remove the two rear screws that secure the Display to the notebook housing Note You don t have to remove the leftmost screw Remove Rear Display Screws 2 Remove Display Cable Scre
177. t the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Using your thumbs unlock the two battery locks at each side of the MPB refer to Figure 6 26 pull the battery pack out of the MPB Remove the MPB Housing as described in Paragraph 6 6 3 Remove the Docking Cable as described in Paragraph 6 6 4 Remove the two screws that secure the Docking Mechanism to the bottom section of the housing and remove the Docking Mechanism Replacement is the reverse of Steps 1 through 5 Docking Mechanism Figure 6 29 Removing Replacing the Docking Mechanism 6 36 Field Service 6 6 6 Removing Replacing the MPB DC DC Converter To remove and replace the MPB DC DC Converter Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Using your thumbs unlock the two battery locks at each side of the MPB refer to Figure 6 26 pull the battery pack out of the MPB 3 Remove the MPB Housing as described in Paragraph 6 6 3 4 Remove the screw that secures the DC DC Converter to the bottom section of the MPB housing and remove the DC DC Converter 5 Replacement is the reverse of Steps 1 through 4 DC DC
178. ta from either the system bus or from the ZV enabled video port in either RGB or YUV format The input data can also scaled down before storage in display memory 5 from any size larger than 320 x 240 down to 352 x 248 Capture of input data may also be double buffered for smoothing and to prevent image tearing The display system can independently place either RGB or YUV data from anywhere in display memory into an on screen window which can be any size and located at any 4 12 Theory of Operation pixel boundary data is converted to RGB on the fly on output Non rectangular windows are supported via color keying The data can be functionally zoomed on output up to 8x to fit the onscreen window and can be horizontally and vertically interpolated to scale or zoom artifacts Interlaced and non interlaced data are supported in both capture and display systems 4 2 4 2 Versatile Panel Support The C amp T65550 supports a wide variety of monochrome and color Single Panel single Drive SS and Dual Panel Dual Drive DD standard and high resolution passive STN and active matrix TFT MIM LCD and EL panels For monochrome panels up to 64 gray scales are supported Up to 4096 different colors can be displayed on passive STN LCDs and up to 16M colors on 24 bit active matrix LCDs The C amp T65550 offers a variety of programmable features to optimize display quality Vertical centering and stretching are provided for handling modes with l
179. tions 3 Turn the computer over and remove the hard disk drive cover refer to Figure 6 9 4 Grasp the drive loop and remove the drive from the notebook HDD Access Cover Drive Removal Loop Figure 6 9 Removing Replacing the Hard Disk Drive Module Field Service 6 15 5 Store the HDD in an antistatic bag 6 Replacement is the reverse of Steps 1 through 5 6 5 5 Removing Replacing the Keyboard Assembly procedure for removing and replacing the keyboard assembly is as follows 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached 2 Remove the four screws near the display hinges rear of the notebook as shown in Figure 6 10 3 Snap out and pull up the Status Panel refer to Figure 6 10 Remove Status Panel Screws 2 Snap out and d pull up Status Panel Lift up and flip Keyboard to the left Unplug Keyboard Connectors Figure 6 10 Removing the Keyboard Assembly 4 Lift up the Keyboard Assembly to free it from the notebook and then flip the keyboard to the left side of the notebook as shown in Figure 6 10 6 16 Field Service 5 Unplug the keyboard connectors CN5 CN14 set aside the Keyboard Assembly 6 Replacement is essentially the reverse of Steps 1 through 5 6 5 6 Hea
180. to the ISA bus It also supports a PCI to ISA IRQ routing table and level to edge trigger transfer The chip has two extra IRQ lines and one programmable chip select for motherboard Plug and Play functions The interrupt lines can be routed to any of the available ISA interrupts on chip IDE controller supports two IDE connectors for up to four IDE devices providing an interface for IDE hard disks and CD ROMs The ATA bus pins are dedicated to improve the performance of IDE master The M1523 supports the Super Green feature for Intel and Intel compatible CPUs It implements programmable hardware events software event and external switches for suspend turbo ring in The M1523 provides CPU clock control STPCLKJ The STPCLKJ can be active low or inactive high in turn by throttling control 4 2 3 2 1 M1523 Features Summary Provides a bridge between the PCI bus and ISA bus PCI interface Supports PCI master and slave interface Supports PCI master and slave initiated termination PCI spec 2 1 compliant delay transaction support Buffers 8 byte bidirectional line buffers for DMA ISA memory read write cycles to PCI bus 32 bit posted write buffer for PCI memory write and I O data write for sound card to ISA bus Provides steerable PCI interrupts for PnP PCI devices Up to eight PCI interrupts routing Level to edge trigger transfer Enhanced DMA controller Provides seven programmable c
181. ture Description External 3 5 inch Diskette Drive Module Provides convenient storage on a removable diskette format Memory Expansion Features Main memory can be expanded from 16 MB to a maximum of 80 MB using one soDIMM module 8 MB 16 MB 32 MB or 64 MB configurations Flash ROM hardware feature Permits new versions of BIOS to be downloaded into Flash ROM without physically having to replace the ROMs PCMCIA Slots Allows installation of any optional PCMCIA device such as speakerphone modems Ethernet cards and full motion video cards Mobile Productivity Base Ready Connectors and latch mechanisms to accept a Mobile Productivity Base provides desktop connectivity with quick removal installation feature required for combination desktop and portable environments and increased functionality including media bay and Advanced PCI Card support J T w m A e General Description 1 7 1 2 7 The notebook comes standard with 16 MB of RAM expandable to a maximum of 80 MB using soDIMM modules available in 8 16 32 or 64 MB sizes Access to the expansion socket is accommodated via a removable panel on the bottom of the notebook as shown in Figure 1 5 Expansion Memory Access Cover Figure 1 5 Memory Expansion Features 1 2 8 PCMCIA Card Options
182. uffer memory through system memory controller Alias address for frame buffer memory Fully synchronous 25 30 33 MHz 5V PCI interface PCI bus arbiter five PCI masters and M1523 supported DWORDs for CPU to PCI Memory write posted buffers Convert back to back CPU to PCI memory write to PCI burst cycle DWORDS for PCI to DRAM write posted Read prefetching buffers PCI to DRAM up to 133 MB sec bandwidth even when L1 L2 write back L1 L2 pipelined snoop ahead for PCI to DRAM cycle Supports PCI mechanism 1 only PCI spec 2 1 support 16 8 8 rule passive release fair arbitration Enhanced performance for memory read line memory read multiple and memory write multiple Invalidates PCI commands DRAM refresh during 5V system suspend I O leakage stopper for power saving during system suspend 4 2 3 2 ALI M1523 Bridge The M1523 provides a bridge between the PCI bus and the ISA bus and ensures full compatibility between the PCI and ISA functions The M1523 has an Integrated System Peripherals ISP chip that provides advanced DMA controller features This chip contains the keyboard controller real time clock and IDE master controller This chip also supports the Advanced Programmable Interrupt controller APIC interface Theory of Operation 4 9 One eight byte bidirectional line buffer is provided for ISA DMA master memory writes One 32 bit wide posted write buffer is provided for PCI memory write cycles
183. utilization An advanced CMOS process is used to achieve low system power consumption while operating at PCI clock rates up to 33 MHz Several low power modes allow the host power management system to further reduce power consumption 4 2 10 1 PCI 1130 Features 3 3V core logic with universal PCI interface compatible with 3 3V or 5V PCI signaling environments Supports PCI Local Bus specification 2 1 Mix and match 3 3V 5V PC card 16 cards and 3 3V CardBus cards Supports two PC card or CardBus slots with hot insertion and removal 1995 PC Card standard compliant Low Power advanced submicron CMOS technology Uses serial interface to Texas Instruments TI tps2202a dual power switch System interrupts can be programmed as PCI Style or ISA IRQ Style interrupts ISA IRQ interrupts can be serialized onto a single IRQSER pin Independent read and write buffers for each direction Supports burst transfers to maximize data throughput the PCI CardBus bus Multifunction PCI device with separate five PCI Memory Windows and two I O Windows available to each PC Card 16 socket Two Windows and two memory windows available to each CardBus socket CardBus Memory Windows can be individually selected prefetchable or non PREFETCHABLE ExchangeableCard ExCAT compatible registers are mapped in memory and I O space TI extension registers are mapped in the PCI configuration space Intel 8236551 DF
184. w And Unplug Two Cables CN1 CN8 Figure 6 12 Removing Replacing the Display Assembly 5 Remove the screw securing the Display Cable to the Main Board and unplug the Display Cable CN1 and the Inverter Cable 8 6 Remove the Display Assembly from the Base Assembly 7 Replacement is the reverse of Steps 1 through 6 6 18 Field Service 6 5 8 Removing Replacing the LED Microphone Board Assembly remove and replace the LED Board Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter if it is attached and remove the battery pack and PCMCIA cards as described in Paragraphs 6 5 1 and 6 5 2 Also disconnect the MPB Paragraph 6 5 3 if attached Remove the Keyboard Assembly as described in Paragraph 6 5 5 Remove the Heat Sink Assembly as described in Paragraph 6 5 6 Remove the Display Assembly as described in Paragraph 6 5 7 gu qe Remove the two screws that secure the LED Board Assembly and unplug cable connector CN7 remove the LED Board Assembly 6 Replacement is the reverse of Steps 1 through 5 Remove Keyboard Remove two screws and Connector CN7 2 Remove Heat Sink 3 Figure 6 13 Removing Replacing the LED Microphone Board Assembly Field Service 6 19 6 5 9 Removing Replacing the CPU Board To remove and replace the CPU Board Assembly use the following procedure 1 Turn off the computer disconnect the AC power adapter
185. wer Management Unit include Three operation states ON state DOZE state SLEEP state Programmable DOZE and SLEEP timers Programmable EL timer for backlight control Three output pins depending on operation state each pin is programmable and power configurable Provide system activity monitoring including Video Hard disk drive Floppy disk drive Serial port Keyboard Parallel port Two programmable I O groups activity monitor each group contains 16 8 I O addresses One predefined I O group activity monitor Multiple external wake up events from DOZE and SLEEP states External push button RTC alarm Two levels battery warning monitor Port definitions for the M6377 Chip are provided in Table 4 5 4 22 Theory of Operation Table 4 5 M6377 GPIO Port Definitions GPIO17 1 Connect serial BUS with charger ROM W R 0 Disconnect serial BUS with charger ROM GPIO20 is the CLK and GPIO21 is the DATA for the serial BUS GPIO16 Reserved GPIO15 1 CPU high temperature SMI is allowed W R 0 CPU low temperature SMI is allowed GPIO14 1 Connect the ZV BUS with PCMCIA card W R 0 Connect the ZV BUS with Feature board GPIO13 1 Force the system to enter 0V suspend or power down mode and then could press power W button to turn on system again 0 Normal GPIO12 Force FAN on W R 0 Normally GPIO11 1 Enable 12V power FLASH W R 0 Disable
186. y reseating the soDIMM module and rebooting 2 2 Installation Access Inserting soDIMM Memory Module Figure 2 1 Memory Expansion Removal Replacement Note After installing expansion memory in your notebook you must run the PHDISK utility in order for the Save To Disk or OV Suspend functions to operate correctly 2 3 2 Setting up the Software Note If you are using an operating system other than Windows 95 Windows for Workgroups or DOS you may need to re partition your hard disk drive to allow for the additional memory Check with your system administrator Installation 2 3 Windows 95 Follow these steps if your computer is running Windows 95 From the Taskbar select Start then Shut Down Select the Restart the Computer in MS DOS mode Click on Yes Type PHDISK C F at the DOS prompt and press Enter The DOS screen appears and shows the save file name and size Press any key to reset the system The computer will reboot In Windows for Workgroups Follow these steps if your computer is running MS DOS and Windows for Workgroups 1 Close all applications and exit Windows for Workgroups to MS DOS 2 At the command prompt typically C type PHDISK C F and press Enter This will create a file which can be used to save the contents of your memory system when you perform a OV Suspend operation 2 3 3 Installing PCMCIA Options The Notebook h

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