Epson NB-SL/20 Product Information Guide
Contents
1. EJ 7 95 ee 294 24 MC146616 CMOS last 5 Determine AT or XT 25 T a 30 302 keyboard uU CO 204 26 Stan first protected mode lest SE Start protacted mode test EJ S po LIN 28 Memory sizng lest 60 Base memory lest Iv Je m 105 2A Autosze memory chips 62 Base memory address test a fa wr 2C Chipinterleave enable last B4 Shadow memory last _ 1 im 2E First protected mode test exit 166 Extended memorytest n 7 P 30 Unexpected mode fest ext 68 Extndedaddresstest Ax zde 32 _ System board memory size 6A Determine memory se aaa uU lam i 34 Relocate shadow RAM ii confgured C Display error massage ry ED 2 up T NB SL NB SL 5 Computers 192 NB SL Notebook Computers Hard disk drive types Te Orte Hn Vots unes WW em us Govern js 89 an Maor T080 Tos i 3 uw ra f o i a ton 13 1102 HV T COC94216 106 x sz wn 9i a T IL T EJ E 75 1975 Toshiba 4 wi s v m es 1 1 ELT a de reserved 1 Micro 8425F Seagate ST125 Toshiba MK1022FG Connor CP 2044 CP 2044 can be used typa 17 by Tra made 3 For Westar Digtal ESDI HDC or rv maker defaut seting 6 Meropola 1325 Atas 3085 Lanstor Ln Maor Newbury NDRIOIS Information Reference List Eng2. L E Normat Ooerar ion NB SL Computers VGA connector pin assignments Pinno Signal name wo Description 1 RED Red Video 2 GREEN Green Video 3 BLUE Bue Video D NC L No Connection 5 GND Ground REDRTN 11 Red Return 7 GREENRTN T Groon Return s BLUERTN Blue Return e NC Connection 10 GND 7 Ground T NC 1 No Connection 12 NG No Connection 1 92 NB SL 3 NB SL Notebook Computers VGA connector pin assignments continued Mouse N umeric eypad External Keyboard Connector Pinno Signal name w Description Keyway 13 HSYNC Honzontal Pin 6 Pins VSYNC T T Vertical Syne 1 15 NC x T No Connedion Ping Pin3 Parallel External FDD Connector Pin 2 Pin1 Pin 13 Pint Mouse connector pin assignments P i n Signal name YO Mouse Numer External no keypad keyboard aan 1 OMSDATA WO Mouse Dala Keypad Dala Keyboard Data Pin 25 n 2 NC No Connection No Connection No Connection 3 GNO Ground Ground Ground Parallel port CN3 connector pin assignments 4 fused 5 lused DC 5V lusad 5 OMSCLK UO Mouse C
3. v 5 54 87 m m e v s 6 Power on Diagnostics POD Step IDs 4 s i Mi Sep Sip amp e 85 94 iQ Comente 10 Contents a e v 5 EIL 09 Flagtest 3A Retest 64K base RAM ns 5 733 34 04 Register test CPU speed calculation w jo s om 06 System hardware initialization 3E Get switches 8042 3 CHE m LJ 24 08 intalzo set registers T4 Configure CPU speed 3 ep b OA BIOS ROM checksum 42 Infialize interrupt vectors oj E 11007 oc DA page restr est 44 Verlyvideo configuration ee ed oE 2satimeriast 46 infiaze video system LITE ac mem 1 10 8254 timer initialization 48 Test unexpected interrupts o 663 LU 12 8237 DMA controler 4A Start second protected s v s 5 GXSQEH mode last Conner CP 3044 Ti 8257 OMA 4C Very LOT nsiructon q oea neer 16 259 Verity TR instruction a 7 3 aT 18 8250 interrupt controle test so VeriyLSL instruction T 7 5 505 1A Memory refresh test 52 Very LAR instruction 7 a UTERE 1C Base 64KB address test 54 Venty instruction El Pu ma cm 1 Toshia ASAFA 3E Basa 64KB memory test 56 Unexpected z 3 m m ORI _ 20 Base 64KB test upper 16 bas 58 Address ine 20 test z x fo fe foz 22 6742 keyboard sell test Keyboard ready lest
4. N amp SUOS 25 MHz FIN Mono 4MB 25 ns N amp SLoSC 25WH MM Color 4MB 25 ns NB SL 2 1 92 Check with your dealer for availability of the following options 2MB 4MB or 8MB expansion memory modules 40M B 60MB or 80MB removeable hard disk drive cartridges Extemal numeric keypad External keyboards NiCd battery pack Additional AC adapter Internal modern 387SX math coprocessor Desktop Expansion Unit carrying case Main System Board Hard disk drive or NIMH battary pack 1592F1 board NB SL Computers NB SL Notebook Computers Reserved Memory Memory Module Expansion The following tables show the possible memory configurations for Function T Capacity Address range 5 SOS and power management 96 KB EBOOOR FEFFFR the NE SL Reserved for system use 32 KB E00008 E7 FFA 20 MHz system Sradowsd vdeo BIOS 32 KB o000n G7FFFR Video 128 KB A0000h BFFFFh Base memory Slot 1 CNA maig To Memory between the addresses shown above is reserved for system 2 8 Tu eee x EH use Other memory between 384KB and 1MBis available to theuser 2 EJ Xue if enabled through setup oe ae ae 4MB x x 2B 208 Tawe 8B Shadow RAM 4MB 2MB 2MB 8MB X 10MB ien x System BIOS 128KB is copied to shadow RAM by POD when the I EXT 8 system boots System BIOS flash memory is addres
5. NB SL Notebook Computers Main Unit CPU System memory BIOS ROM Math coprocessor CONTRAST BRIGHTNESS POWER Clock calendar DCANJ seftch stich SPEEDLED CHARGE LE D BATI LEDs Controllers Diskette drive Hard disk Parallel external diskette drive serial LCD and CRT Mouse external numeric keypad keyboard Speaker Modem Keyboard Mass Storage Diskette drives NB SL Computers 192 Computer Specifications 38651 microprocessor 20 or 25 MHz and 5 or 6 25 MHz dock speed selectable through Setup or software comunand 2MB or 4MB expandable to 14MB or 20MB the first 640KB is conventional memory and 128KB is used for shadow RAM the rest cw be used as extended or EMS memory selectable through Setup 128KB on a single flash ROM includes system BIOS and VGA BIOS Socket for optional 20 or 25 MHz 387SX numeric coprocessor Real time clock calendar and CMOS RAM for configuration backed up by 36 volt lithium battery Built in controller for up to two diskette drives internal 3 A inch and external 51 cinchy supports 1 44MB 720KB 1 2MB and 360KB formats Slot for 2 inch hard disk drive cartridge with embedded controller 25 pin D sub female connector with standard amp bit parallel or extemal diskette drive support selectable through Setup RS 232 C programmable asynchronous 9 pin D sub male connector Built in controller supporting stan
6. Tochibe i TC55328J35 35 ne or TC55326J25 25 ns or Power Supply NECuPDASSBALA2S N CUPDAS2SBALS 28 AC adapter 9V 30A 12V 17A AC adapter with c youre EU UE international voltage input 50 60 Hz Oscillator DOC 40S2 40 MHz DOC 4982 50 MHZ Battery packs Two interchangeable rechargeable internal Memory configuration on 8126 NiCd battery packs 6 cell 7 2 volt CAUTION Use only the AC adapter and batteries designed for Options use with the NB SL AC adapter model number ADO930WA and battery model numbers BC7217WA and BH7222WA Physical Dimensions Height Monochrome 51 mm Q inj Color 61 mm 24 in Width 297 mm 1169 in Depth 235 mm 925 in Weight with hard Monochrome 33 kg 72 Ibs disk and two battery Color 36 kg 7 9 Ibs packs Environmental Requirements Temperature Operating 5 to 35 C 41 to 95 Non operating 20 to 60 4 to 140 F Humidity Operating 20 to 80 non condensing Non operating 8 to 90 non condensing Altitude Operating 60 to 3 000 m 198 to 9 900 feet Non operating 60 to 12 000 198 to 39 600 feet CAUTION When traveling by airplane be sure to take your computer into the passenger compartment as carry on luggage to prevent it from being stored in an unpressurized storage compartment Product Configuration Model CPU speed LcDtyps Standardmemory Cache speed NB SU20 20MHz FTN Mono 2MB 35ns
7. ation register 38 Congue wai sales T0 cock jest Rotest 64K Daso RAM T8 eal nw cix i i Configuration register 74 Keyboard struck key test 76 D hardware RT Resigned devices ETEN 78 Math coprocessor last TA Delerm COM 7 HOD 0 5 7 Determine poris available 7E BIOS data ares 6 0 dive C drvo B0 Determine tloppyfixed controller 82 Floppy disk lest 5 Paralia 3737F A 2 Foad disk est 86 Exernal ROM scan 4 Parallel Disable Enable B8 System key lock les BA Wan tor F kay pressed Pirate Normal printer Bidirectional printer 8 Final system intialization Interrupt 16 bootloader ina Urerpectdinterut 1 Seconary modem Disable Enable o Primary AS 232C Disable Enable Expansion Unit Hard Disk Drive Types DMA Request Level tail Assigned davon If you need to enter the drive type in the Setup program for a hard DRG Not designated disk drive you have installed in the Expansion Unit refer to the table DRQ 1 CTRL1 Not designated below DROZ CTALI Floppy disk drvo controler oe DAGS CTALt Not designated E Hard disk drive types DRQ4 CTRL2 Cascade for CTRL pe se Grind tans Preamp lai MW ORQS CTRL2 Not designated m DRO 6 CTAL2 Not designated Nomi d Not cesgnnes a i Xs a em
8. dard VGA color or monochrome external 15 pin female connector for connecting an external monitor 9M mini DIN connector for optional mouse external numeric keypad or external keyboard Built in ISA compatible speaker controller internal Internal slot for optional modem 84 Intemational or 82 US keys with four levels of user definable functions Support for up to two drives one internal 31 finch 1 44MB diskette drive and one optional external 5 einch 1 2MB diskette drive NB SL 1 NB SL Notebook Computers Hard disk drives Support for up to two drives one in the Differences Between NB SL 20 and NB SL and one in the Expansion Unit NB SL 25 Monochrome Removable 40M B 60M B or 80MB hard disk Product Name RESUS in KONE Hai CPU Chip Intel 80386 51 20 Intel 80386 51 25 CPU dock speed controller power saving feature High speed mode 20 MHz 25 MHz CPU board name _ t592CM 1791 LCD Display pres Monochrome 640 480 mm high contrast 2 film paper Standardon board 2 4 white backlit by one CCFT cooled cathode memory fluorescent tube continuous brightness and Max HAN on 8 contrast controls power saving feature Board unt 200622100 2006750 GPU chip intel d Color 640 x 480 mm high contrast active matrix TEPLI MIM metal insulator metal Tomte
9. ineering Change Notices None Technical Information Bulletins None Product Support Bulletins None Related Documentation TM NBSL20T 51 Service Manual Text TM NBSL20C NB SL Cover Spine Divider PL NBSL20 NB SL Parts Price List SPK NBSL20 NB SL Self Paced Kit 400105201 NB SL User s Guide NB SL 6 192 NB SL Computers
10. iock Keypad Clock Keyboard Clock Pinno Signa name VO Description 6 NC No Connection No Connection No Connection 1 TSTROBE 0 Strobe tor Printer 2 POO 00 Data Bit 0 for Printer Index tom FDD 3 PDI Oi Data Bi 1 for Printer Track O FDD AC Adapter Connector i O Data BI 2 for Primer Mita Protect is _ Bata Bit 34er Printer Read Data hom FDD 4 5 PDA OO Data Bt 4 for Printer Disk Change hom POD e 7 PDS OQ Data Bit 8 for Printer o Du 057 6 POS 00 Data B 6 for Printer Por O Data Bit 7 tor Printer ee 10 ACK KO Acknowledge trom Printer Drive Selection tor Im BUSY XO Busy Printer Motor Enable tor FOD 12 X0 Peer Empty from Printer Write Daia for AC adapter CN6 connector pin assignments ster XO Select Printer Write Enable for FOD Pin rai Ec V AUTOFEED KO Fead tom Printer Figh Densty 3 i c ZI i Selecton for FOD 2 CHARGE LO Charge 15 ERROR KO Eror Printer Side Selection tor FOD 3 GND T Ground Ka NT WO _ Intialzation trom Printer Direction for FDD CLON No Connection am SLCTIN Select In from Printer Step for FDD 5 CHGSEL 11 Change Select 1a25 GND Ground 5 GND Ground Serial Port Connector CN4 System Address map Address Assigned devices Expanelon Unit ena Fins 170 178 Hard disk co
11. ntroller secondary 1FO IFS Harddisk controler pnmary Yes 200 207 Game UO Pine Ping EIUS Parallel puar oo 2 Yes 2 2F8 2F Senal port 2 Yes Serial port CN4 connector pin assignments 300 31F Prototype card 260 36F Reserved Pinno Signal name WO Description 37 Parallel nrmier nor 1 Ya 2 1 COMADCO I Data Carrier Detect 7380 38F SDLC 2 2 COMARKD 1 Serial Data Recova SAD SAF Beynchronoust 3 0 Seral Data Transmission 380 388 montor aper 4 COMADTR 0 Data Terminal Ready 386 38E Padel pine aerate pon FA 15 GND Ground 3BF 3DF VGA montor adapter 6 COMADSR Daia Set Ready ONE EET Ya H Ea B boc w Send D If this portis dive the BIOS will give priority to it ABI Ho Send 2 Select one by software NB SL 4 1 92 NB SL Computers NB SL Notebook Computers Additional Sep 1 Contents Contents Address Assigned devices 36 Contgure EMS system BIOS to shadow 1188 Power control resgister i memory 1180 Configur
12. ses from E000 0 8 ME 2MB to FFFF F The 8KB of memory in the address range FE00 0 FFFF F is 2MB 4 MB 14 MB assigned as a boot block for flash memory and is not updated when the flash memory is overwritten 8MB modules may not be available For 14MB of total memory do not install an 8MB module in slot Land a 4MB module in slot 2 Shadow RAM Addressing ol Code Actual Address Destination Address 25MHZ system 000 0 ETFFF C000 CTFE F Base memory Slot 1 CHIN Slot 2 CNG Total Others 0 FFFF F E8000 FFFF F memory Only the VGA BIOS addresses need to be converted x x 4 MB 4MB za Fm 6MB Memory Map Before After POD ud 2 mE x 4MB DIETE sggory ep m ag 4 8 2MB 8 MB 14MB m ue pun 4MB 8 MB 8 20 MB lt 8MBooseen may not be available For 8MB of total memory do notinstall a 4MB module in slot 1 isme 10000001 and nothing in slot 2 oF cocoon oreoooon PORTEE SFERI T DEUR Connector Pin Assignments 1000007 me 0100000 VGA Video Connector eis s PSE ES inara Gotran nd id option Platt aap vi aros saoxa baok aane Baone Bese
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