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Texas Instruments EXTENSA 570CD User's Manual

1. Address Range Device 000 00F DMA Controller 1 020 021 Interrupt Controller 1 022 023 M1429 Registers 040 043 Timer 1 060 06E Keyboard Controller 8742 Chip Select 070 071 Real Time Clock and NMI Mask 080 08F DMA Page Register OAO OA1 Interrupt Controller 2 OCO ODF DMA Controller 2 1FO 1F7 Hard Disk Select 178 17A 6377 Registers 1FO 1F7 Hard Disk Select 3F6 3F7 278 27F Parallel Port 3 35F 36F Special I O Ports 378 37A Parallel Port 2 3BC 3BE Parallel Port 1 3C0 3C5 3C6 3C9 Video DAC 3C0 3CF Enhanced Graphics Display 3D0 3DF Color Graphics Adapter 3E0 3E1 PCMCIA Controller 3FO 3F7 Floppy Disk Controller 3F8 3FF Serial Port 1 Theory of Operation 4 3 Table 4 2 DMA Channels Controller Channel Address Function 1 O 0087 Spare 1 1 0083 Spare 1 2 0081 Diskette 1 3 0082 Spare 2 4 Cascade Cascade 2 5 008B Spare 2 6 0089 Spare 2 7 008A Spare Table 4 3 IRQ Interrupt Levels Priority Interrupt Interrupt Source Number 1 SMI Power management unit 2 NMI Parity Error Detected I O Channel Error 3 IRQO Interval Timer Counter O Output 4 IRQ1 Keyboard IRQ 2 Interrupt from controller 2 cascade 5 IRQ8 Real Time Clock 6 IRQ 9 Cascaded to INT OAH IRQ 2 7 IRQ10 Reserved 8 IRQ 11 Reserved 9 IRQ 12 PS 2 Mouse 10 IRQ13 INT from Coprocessor 11 IR
2. 6 12 Removing Replacing the IR Sound Assembly 6 12 Removing Replacing the Power Supply Board 6 13 Removing Replacing the CMOS Battery 6 13 Removing Replacing the Main Board 6 13 Removing Replacing HDD Connector Board 6 14 Removing Replacing Inverter Board 6 15 A Self Test Error Messages AS ui d Introduction 25435225 i4 Gu ETE NER bes A 1 B PC Doctor Diagnostics BA Bass B 3 B 4 BD ous Bel 9 9 5 B 53 uo B 5 9 5 B 5 4 B 5 5 B 6 B 7 Introduction Q3 Rr he RC cC CIRC ACRIOR NOR S d B 1 Starting PC Doctor 00 B 1 Keyboard Navigation llle B 2 Mouse Navigation llle B 2 PC Doctor Menus celere B 3 Online Help s 3 Se es ee eO Oe a Ry B 3 Diagnostics 35005 Shy oben a eu due str Seu y dg B 3 Interactive Tests Menu B 4 Hardware Info Menu 008 B 4 WEY MIU s o sa epo a d oles OO RAG ote B 5 Quitting PC DOCtOr vse esses era XR Rer e B 6 Remote Operation i5 2359999 vv eom ewe es B 6 Preface Introduction This manual provides installation operation and servicing data for the Extensa 57x 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 reference appendices including
3. Missing operating system Correct the HDD type in the configuration menu and reboot Refer to the specification label pasted on the back side of the notebook or attached to hard disk drive Non system disk or disk error Replace and strike any key when ready Remove disk in drive A and press any key Pointing Device Error Cycle Power to Notebook if problem persists check cable connections from glidepad board to main board if problem persists replace glidepad board if problem persists replace main board Pointing Device Interface Error Cycle Power to Notebook if problem persists open up the notebook and check the glidepad cabling Protected Mode Test Fail Cycle power to Notebook RAM BIOS Bad Cycle power to Notebook RAM Parity Error Cycle power to Notebook if problem persists replace main board and or DIMM module if used Real Time Clock Error Press Ctrl Alt Esc to reconfigure the system Video RAM BIOS Bad Cycle power to Notebook if problem persists remove and replace the main board Table A 2 POST Checkpoint List A 2 Error Messages Checkpoint Description No D4h Normal POST start FCh CMOS and BIOS ROM checksum test skip or complete Olh 80286 register test in progress 02h CMOS write read test in progress or failure O3h BIOS ROM c
4. e Section 1 General Description Introduces the main features of the notebook provides a list of physical and electrical specifications e Section 2 Installation Describes how to unpack install options and cable up the notebook computer in a desktop environment e Section 3 Operating Instructions Describes the notebook operating controls and indicators and basic operating procedures e Section 4 Theory of Operation Describes the theory of operation for Extensa 57x Series Notebook Computers e Section 5 Troubleshooting Procedures Provides guidelines for performing fault isolation on the Extensa 57x Series Notebook Computers e Section 6 Field Service Provides preventive and corrective maintenance procedures for the notebook computer e Appendix A Self Test Error Messages e Appendix B PC Doctor Diagnostics Preface vii viii Preface Other Manuals About the System The following documents provide additional information related to the Extensa 57x Series Notebooks e Extensa 57x Series Notebook Computer User s Reference Manual contains reference information regarding the Extensa 57x series software e Windows 95 Help online e 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 Reseller or Telephone Toll free 1 800 TI TEXAS 1 Gen
5. metal shutter end first Gently push the floppy into the floppy drive slot until the floppy clicks into place To remove a floppy diskette press the eject button until the floppy pops out Never force open the access shutter on a floppy Always remove a floppy from the floppy drive before turning off the computer Never transport the computer with a floppy in the floppy drive Doing so can damage the drive head If a floppy appears to be damaged try to make a copy of it and immediately discard it Keep all floppies when not in use in a disk storage box to protect them from damage or loss Operating Instructions 3 3 3 3 2 Installing Removing PCMCIA Options PCMCIA cards are inserted and ejected in much the same way as diskettes e Up to two Type I or Type II PCMCIA options may be installed in the compartment on the right side of the notebook One Type III Option may be installed in the lower slot e To insert a PCMCIA card align the card with the socket and slide the card into the socket until it locks into place To install a Type III option you must remove the Floppy Drive e To eject a PCMCIA card go to the Windows 95 Control Panel select PC Card and select the card to stop then press the release button and remove the PCMCIA option 3 3 3 Computer Hot Keys e Refer to the User s Guide shipped with the notebook for a description of the recognized hot keys 3 3 4 Responding to Low Battery Conditions The c
6. port is located just above the serial port connector on the rear of the notebook Align this port with the SIR port on a printer notebook or other device equipped with an SIR port Serial Infrared Port Figure 2 6 Communicating with SIR Equipped Devices Installation 2 9 2 6 Installing the AC Power Adapter Use the following procedures to connect the AC Adapter to the system C Caution Use only the AC Adapter supplied with the computer other adapters can damage the unit 1 Remove the AC adapter from the packaging Connect the round coaxial connector on the AC Adapter to the power receptacle on the left side rear corner of the notebook as shown in Figure 2 7 2 Connect the female side of the AC Power cord to the AC Adapter and connect the male end to a grounded AC outlet AC Power 120VAC to 230 VAC 50 to 60 Hz Figure 2 7 AC Adapter Installation 2 7 Initial System Checkout After you ve installed all internal options and external cabling you re ready for system checkout and software configuration To check out the system set the power switch on the notebook to the On position which initiates the notebook self test During self test execution the computer checks the operation of all critical hardware including memory and CPU and displays copyright and version number data during test execution 2 10 Installation Upon successful conclusion of self test the computer automatically loads its operating
7. 256 4 2 4 Hard Disk Subsystem The Hard Disk Subsystem controlled by the IDE interface compatible 82C558N IPC chip provides disk storage for all system software and user files Initially the 57X Series Notebooks are equipped with a removable 810 or 1200 Million Byte hard drive During the manufacturing process Texas Instruments formats the hard disk and then loads all supplied software including Windows 95 4 6 Theory of Operation Caution Formatting the disk drive erases any data that may be stored on the disk Therefore do not attempt a format of the hard disk unless the computer self test and diagnostics confirm that the disk has not been formatted A Hard Drive activity ICON is located on the Status LED beneath the Display Assembly This ICON is visible during hard driver read write accesses Caution The notebook should not be moved when the HDD ICON is lit to prevent accidental damage to the hard drive 4 2 5 Floppy Diskette Drive Subsystem The Floppy Diskette Drive Subsystem consists of a Floppy Controller part of the Super I O Chip SMC37C655IR and the removable Floppy Diskette Drive The Floppy Diskette Drive can read write standard 3 5 inch minidiskettes The floppy drive installs in the Media Bay and can be removed to install a CD ROM drive or a second battery pack Lithium Ion 4 2 6 CD ROM Subsystem Many of the Extensa 57x models are equipped with a removable 5 25 inch CD ROM drive 4X or 6X speeds T
8. Assembly 9804820 0005 6 5 5 18 Swiss Keyboard Assembly 9804820 0006 6 5 5 19 Italian Keyboard Assembly 9804820 0007 6 5 5 20 Portuguese Keyboard Assembly 9804820 0008 6 5 5 21 Swedish Keyboard Assembly 9804820 0010 6 5 5 22 Danish Keyboard Assembly 9804820 0012 6 5 5 23 Norwegian Keyboard Assembly 9804820 0013 6 5 5 24 Belgium Keyboard Assembly 9804820 0014 6 5 5 25 Finish Keyboard Assembly 9804820 0015 6 5 5 26 CPU P54C 100 SPGA 2 9V 9811733 0001 6 5 13 27 Glidepad Module 9804821 0001 6 5 9 6 6 Field Service Item FRU Description TI Part No Ref Para No No 26 Speaker Cable Assembly 9805705 0001 Ref 27 Cable Button to Glide 9805706 0001 6 5 9 28 Cable Main Board to Button 9805707 0001 6 5 9 29 Cable Main Board to Sound Board 2 9805708 0001 6 5 10 30 Cable Main Board to Sound Board 4 9805709 0001 6 5 13 31 Cable Main Board to Status LCD 9805710 0001 6 5 13 32 Status LCD Cover W Lens 9805715 0001 Ref 33 CMOS Battery 9805704 0001 6 5 12 34 Door Assembly Expansion Connector 9805719 0001 Ref 35 Door Assembly PCMCIA 9805719 0003 Ref 36 Door Assembly CD FDD 9805719 0004 Ref 37 Top Case Assembly 9811304 0001 Ref Table 6 3 Notebook CRUs Customer Replaceable Units Item CRU Description TI Part No Ref Para No No 1 Internal Battery Pack Ni MH 9803928 0003 6 5 1 4200 mAH 2 8 MB RAM Module Kit 980981
9. Battery Plug in the AC adapter and double check all connections on the adapter and computer Ensure that the notebook Power button is set to the On position and that the system is not in standby or sleep modes 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 adapter Troubleshooting Procedures 5 3 Check to see that the battery pack is installed correctly try using a recharged battery pack if battery is discharged e Ifthe AC outlet voltage AC Adapter and battery packs test normal but the computer will not power up replace the Power Supply Board and or Battery Board as described in Section 6 PCMCIA Option Slot s STE PCMCIA Adapter UM8365A PCI Bus Cache MEMORY ese eo MAIN BOARD CPU Data DBC Drivers RS232 820556 SYSTEM amp Receivers SERIAL PORT Pentium SVGA BIOS Processor P54C LM Expansion Bus Connector Memory Data lo CPU Address Super I O INTERNAL 1 44 MB Controller FLOPPY DISK DRIVE System Controller EH PARALLEL SIMM Memory Expansion Modules PRINTER PORT SR IR Audio Interface Board PCI Bus HDD H Audio IN OUT RTC 82C602A 1MB Mic In He T rom ges i a o Input From AC Adapter i I CD ROM Video Power I Controller Supply 1 Board PMU Keyboard Controller Battery Packs E EXTERNAL intern
10. I o0c OIDUOOdHOBORE Sls uos S doe oos Za T XE etu dos a 2 1 2 2 Unpacking Instructions i vo vues X e aC REA 2 1 2 3 Installing Notebook Options 2 1 2 3 1 Installing Expansion Memory Modules 2 1 2 3 2 Installing PCMCIA Options 2 2 2 3 3 Installing the Optional Numeric Keypad 2 2 2 4 Installing the Battery Pack s 2 2 2 5 Installing External Devices 252b Rea 2 3 Contents iii iv Contents 2 DU sus 2 5 2 DDO a qs 2 5 4 DID as 240 x dd 25 2 0 4 2 a ti ates 2 10 Installing an External Keyboard Mouse 2 4 Installing External Parallel Printer 2 6 Installing External Serial Port Device 2 7 Installing External SVGA Monitor 2 8 Installing SIR Devices lees 2 9 Installing the AC Power Adapter 2 10 Initial System Checkout eeen 2 10 Configuring the System l l een 2 11 Making Backups of System Software 2 11 Loading Application Software 2 11 3 Operating Instructions Sul ens 3 2 cg ho RN ME 3 2 2 45 DD 638 3 2 4 Di ese ro Pec AN REUS re RULES SOHO vus 3 3 4 e Doe le vor 3 3 6 3 9 7 3 3 8 SM tu Introd ctiob 45 aoe teo te eee e Eu 3 1 Notebook Controls and Indicators 3 1 LCD Contrast Control 422 229 rA E e ES 3 2 Button Switches 4
11. Nickel Metal Hydride Cell Type A Nominal voltage 8 4 V Cell energy capacity 4200 mAH Nominal rated 27 Watt hours capacity Charge and discharge 500 minimum cycles Theory of Operation 4 9 4 2 9 4 DC DC Converter Battery Charger Circuit The power supply board includes two DC DC Converter circuits and a battery charging circuit that operate the notebook and charge the internal batteries when the AC Adapter is attached to the notebook The converters operate from an input voltage between 7 VDC and 20 VDC from the AC adapter and generate the regulated voltages required to power all internal logic circuits and charge the internal batteries When the AC adapter is not used the DC DC converters are powered by the output of the internal battery pack s nominal 8 4V 4 10 Theory of Operation 5 Troubleshooting Procedures 5 1 General This section provides the following information e Overview of the fault isolation process Guidelines for isolating computer malfunctions to replaceable subassemblies e Instructions for executing diagnostics and interpreting error messages 5 2 Overview of Fault Isolation Process The fault isolation process summarized in Figure 5 1 consists of the following e Quick Check of the following e Notebook power system including battery packs and AC Adapter connections refer to Paragraph 5 4 e Switch settings ensure Power switch is On and press Standby switch to ens
12. Release latch near the center of the top cover To open the notebook lift up on the release mechanism along the front edge of the notebook 3 2 4 Glidepad Controls The Extensa 57x Series Notebook Computers are equipped with a built in mouse device called the glidepad physically located at the base of the keyboard refer to Figure 3 1 The cursor is positioned by touching and dragging your finger in the direction you want the cursor to go The select functions are performed either by tapping the glidepad or by pressing the two buttons switches at the bottom of the keyboard You can change the operation of the pad by changing values in the mouse section of the Windows 95 Control Panel Once your cursor is in the proper place and you want to select use the left button to click or double click just as you would with a mouse 3 3 Operating Procedures Some of the operating features useful for notebook maintenance are provided in the following paragraphs For additional operating instructions refer to the Extensa 57X Series Notebook Computer User s Manual 3 3 1 Floppy Drive Operating Procedures To avoid damaging the floppy drive and to protect data take the following precautions Never turn off or reset the notebook while the floppy activity indicator is lit e Keep the AC adapter at least 6 inches away from your drive 3 2 Operating Instructions Insert the floppy into the floppy drive slot with the label side up and the
13. of field replaceable subassemblies and components The FRUs and paragraph references for removal replacement procedures are listed in Table 6 2 Table 6 3 contains a listing of Customer non technical user replaceable units CRUs and associated TI Part numbers Display Assembly Keyboard Assembly Status LCD Assembly Glidepad Assembly Power Supply Board Floppy Drive CD ROM Bay Main Board Display Cable Interface Board Inverter Board Figure 6 2 Base Assembly FRUs Field Service 6 5 Table 6 2 Base Assembly Field Replaceable Units FRUs Item FRU Description TI Part No Ref Para No No 1 100MHZ Main Board w CPU 9811305 0001 6 5 13 2 Power Supply CPU 9811317 0001 6 5 13 3 Sound IR Board Assembly Addr Sel 9811306 0001 6 5 10 4 Power Supply Assembly 9804020 0001 6 5 11 5 HDD Board Assembly Gold Contact 9804805 0002 6 5 14 6 Status LCD Board Assembly 9804808 0001 6 5 7 7 4X CD ROM Kit 9803982 0002 6 5 2 8 6X CD ROM Kit 9803982 0003 6 5 2 9 810 Million Byte HDD 9786285 8001 6 5 3 10 1200 Million Byte HDD 9786285 8002 6 5 3 11 FDD Module W O FDD 9804818 0001 6 5 2 12 1 44 MB FDD 9804819 0001 6 5 2 13 US Keyboard Assembly 9804820 0001 6 5 5 14 UK Keyboard Assembly 9804820 0002 6 5 5 15 German Keyboard Assembly 9804820 0003 6 5 5 16 French Keyboard Assembly 9804820 0004 6 5 5 17 Spanish Keyboard
14. system and Windows environment If self test fails to complete and an error message is displayed try powering down the computer for a couple of minutes and turning power back on to repeat self test If the error message persists see Section 5 for troubleshooting information also refer to Appendix A for self test error message descriptions 2 8 Configuring the System The first time you power up the notebook it automatically runs the Setup Program which prompts you for country name and printer type You exit Windows and the notebook begins unzipping files and preparing the software for use After initial installation and the timeout occurs the demo may begin To stop the demo move the cursor to the center of the screen and click the left mouse button A number of demo options are then available 2 9 Making Backups of System Software The Notebook is preloaded with Windows 95 operating system software Prior to extended use of the notebook create a backup set of system software using the Backup Utility under Windows 95 In the event of a disk problem you can restore your system using the Restore Utility and the set of backup diskettes you ve just created 2 10 Loading Application Software For assistance in loading Application Software refer to Chapter 5 in the Extensa Series Notebook Computer User s Reference Manual Installation 2 11 3 Operating Instructions 3 l Introduction This section describes the Extensa 57x Series N
15. the LCD status assembly as described in Paragraph 6 5 7 Unplug the small cable located next to the keyboard ZIF connector DP Wn M Flip the unit over and remove the eight screws from the base Do Not remove the flat head screw at the rear of the unit next to the switch Note You do not need to remove the two screws holding the RAM access door to the base assembly 6 Remove the screw to the right of the display cable interface board located behind the status LCD assembly 7 Turn the unit over and lift the rear of the top case assembly one to two inches then pull the top case towards you while keeping the base in place 8 Reinstallation of the top case assembly is the reverse of Steps 1 through 7 above 6 5 9 Removing Replacing the Glidepad Assembly To remove replace the glidepad assembly perform the following procedure Remove the top case assembly as described in Paragraph 6 5 8 Flip the top case assembly over and lay it on a flat surface Remove the four screws that secure the glidepad board assembly to the plastics 4 Carefully lift the glidepad board out of the plastics Note that the glidepad is tethered to the button board by a cable and LIF connectors 5 Replacement of the glidepad assembly is the reverse of Steps 1 through 4 above 6 5 10 Removing Replacing the IR Sound Assembly To remove and replace the IR sound assembly perform the following procedure 1 Remove the top case assembly as descr
16. time by pressing F1 key twice or by clicking on the Question Mark in the upper left hand corner of any PC Doctor Menu e On line Help system that provides context sensitive information from every PC Doctor screen accessed by pressing F1 key once pressing F1 twice gets you into the online manual 5 8 Troubleshooting Procedures 5 3 5 1 User Interface to PC Doctor PC Doctor is structured as a text mode window user interface with pull down menus Program operation requires the use of the following keys Cursor Keys move the highlighted pointer Enter Key Selects the highlighted option e Esc Key Cancels current function and goes back one step e FI 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 e Page Up Page Down moves the screen one page at a time e F2 Prints the log to PRN e F3 saves the log to a file You can also use the mouse or glidepad 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 3 5 2 Creating a Bootable Floppy Diskette Prior to using PC Doctor create a bootable floppy diskette using the following procedure L Power up the unit
17. 0 0001 6 5 7 3 16 MB RAM Module Kit 9804241 0001 6 5 7 4 32 B RAM Module Kit 9809811 0001 6 5 7 5 External Battery Charger 9803934 0001 Ref 6 Full Function Port Replicator 9803936 0001 Ref 7 Screw Covers 9805716 0001 Ref 8 Door Assembly 9805719 0002 Ref VGA Ser Par Field Service 6 7 6 5 FRU Removal and Replacement Procedures The following paragraphs contain field service level removal replacement procedures for the Notebook C Caution Prior to removing any of the internal FRUs in the notebook remove the AC Adapter battery floppy and hard drives and all external options installed on the notebook 6 5 1 Removing Replacing the Notebook Battery Pack The procedure for removing and replacing the battery pack s is as follows 1 Turn off the computer and disconnect the AC adapter and any external devices from the notebook Turn the notebook over and lay the notebook on a flat surface Locate the battery release button on the bottom of the notebook Press the button in the direction of the arrow while sliding the battery out of its battery bay N Note Refer to Step 2 in Paragraph 6 5 2 for information on removing a sec ondary battery pack from the floppy drive cavity 6 5 2 Removing Replacing the Floppy Drive CD ROM To remove and replace the Floppy Drive or CD ROM Drive perform the following procedure 1 Power the notebook off disconnect the AC adapter from the no
18. 9 le a aaa 3 2 Cover Release Latch 25s oues xl e E Rn 3 2 Glidepad Controls i i e lr IE E E 3 2 Operating Procedures agwetedweuggw v REIS 3 2 Floppy Drive Operating Procedures 3 2 Installing Removing PCMCIA Options 3 4 Computer Hot Keys cq vice sce ay Ce ape ees 3 4 Responding to Low Battery Conditions 3 4 Minimizing Power Usage 3 4 Recharging the Battery Packs 3 5 Conditioning the Primary Battery 3 5 Restoring Missing System Files 3 5 Rebuilding the System Software 3 5 4 Theory of Operation 4 1 4 2 sys 4 2 1 4 2 2 4 2 3 Introd ctioti sauce wea oS Exe ER Ree Sad 4 1 Notebook Functional Description 4 1 Processor Memory Subsystems 4 1 be TO SUDSV SGH 4 adu wc OR ES 4 5 s Video Subsystem usa SERRE 4 6 4 2 4 Hard Disk Subsystem esses 4 6 4 2 5 Floppy Diskette Drive Subsystem 4 7 4 2 6 CD ROM Subsystem eee ess 4 7 4 2 7 PCMCIA Subsystem o aes CR a a 4 7 4 2 8 Sound Subsystem Model Dependent 4 8 4 2 9 Power Subsystem 3 Vos x4 REOR ex eeu 4 8 5 Troubleshooting Procedures aleea Seog ere eM eC PET 5 1 5 2 Overview of Fault Isolation Process 5 1 5 3 Troubleshooting Procedures 5 3 5 3 1 Troubleshooting a Power Supply Problem 5 3 5 3 2 Tr
19. Base Case Assembly 8 Ensure that the display cables are free from the Top Case Assembly and remove the Display Assembly 9 Replacement is the reverse of Steps 1 through 8 above 6 5 7 Removing and Replacing the LCD Status Assembly To remove the LCD Status Assembly perform the following procedure 1 Remove the keyboard assembly as described in paragraph 6 5 5 2 Lean the LCD partially back do not lean the LCD completely back as it may cause the LCD status cover to bind 3 Using both thumbs press the front edge of the LCD status cover to release two latches on the rear edge of the cover Press down at air vent while lifting tabs in front With a rocking motion gently remove the LCD cover Note You may have to adjust the LCD cover and lift upward on the front edge of the LCD status cover 4 Remove the two Phillips head screws and clips that secure the status LCD assembly to the base 5 Lower the LCD cover assembly and unlock the ZIF connector on the back of the LCD status assembly using a plastic stick Field Service 6 11 6 Lift the status LCD assembly out of the unit 7 Reinstallation of the status LCD assembly is the reverse of Steps 1 through 6 6 5 8 Removing Replacing the Top Case Assembly To remove and replace the top case assembly assembly perform the following procedure Remove the keyboard assembly as described in Paragraph 6 5 5 Remove the display assembly as described in Paragraph 6 5 6 Remove
20. L STROBE DATA BIT 0 DATA BIT 1 DATA BIT 2 DATA BIT 3 DATA BIT 4 DATA BIT 5 DATA BIT 6 DATA BIT 7 ACKNOWLEDGE BUSY PAPER OUT SELECT AUTO LINEFEED ERROR INITIALIZE PRINTER OMDNOOARWNH SELECT IN GROUND GROUND GROUND GROUND wore GROUND ACTIVE LOW GROUND GROUND Figure 2 3 Parallel Port Location Pinouts 2 6 Installation 2 5 3 Installing External Serial Port Device The notebook contains an RS 232 serial port with a male DB 9 connector as shown in Figure 2 4 The serial ports are used to interconnect such devices as External Modem e Serial Printer Any device that uses an RS 232 interface To connect a printer to the notebook ensure that both the notebook and the printer are turned off Caution Never connect a parallel device to a serial port or a serial de vice to a parallel port or video port this may cause damage to the Note book and or peripheral 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 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 CONDUIUPUND Figure 2 4 Serial Port Location Pinouts Installation 2 7 2 5 4 Installing External SVGA Monitor The notebook is capable of driving bot
21. MB expandable to 40 MB of fast Theory of Operation 4 1 DRAM memory 128 bytes of CMOS RAM battery backed up and 256 KB of Flash ROM for system and video BIOS storage The basic 8 MB memory system can be expanded to a maximum of 40 MB by the addition of two DIMM memory modules refer to Section 6 for installation details Tables 4 1 through 4 3 contain the Notebook I O address map DMA channel assignments and IRQ interrupt level assignments respectively PCMCIA Option Slot s PCMCIA Adapter UM8365A Expansion Bus Cache MEMORY Connector MAIN BOARD CPU Data DBC Drivers RS232 82C556 SYSTEM amp Receivers SERIAL PORT Pentium SVGA BIOS Processor P54C LM Memory CPU Address PCI Bus Super I O INTERNAL 1 44 MB Controller FLOPPY DISK DRIVE System Controller 82C557 PARALLEL PRINTER PORT 3 SR IR Audio Interface Board Data HDD Audio IN OUT gt h E EE i TZ Mic In E 82C602A E 1MB DL E MISI L ja Input From AC Adapter CD ROM Video Power a Controller a Supply PMU Keyboard Controller Battery Packs Lat cu EXTERNAL internal l SVGA MONITOR Gli epad llErc c Ac 3 te cet INTERNAL KEYBOARD J INTERNAL LCD DISPLAY FA 640 X 480 SVGA LCD Figure 4 1 Notebook Functional Block Diagram 4 2 Theory of Operation Table 4 1 Extensa Series I O Address Map
22. Maintenance Manual Extensa 57x Series Notebook Computers 9811323 0001 May 1996 35 TEXAS INSTRUMENTS Copyright 1996 Texas Instruments Incorporated All Rights Reserved Printed in U S A Extensa 57x Series Notebook Computers Maintenance Manual TI Part No 9811323 0001 Original Issue May 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 Incorporated 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 judgment nor make the manager s business decisions Consequently TI cannot warrant that its products are suitable for any spe cific customer application The manager must rely on judgment of what is best for his or her business Address all correspondence regarding orders to Texas Instruments Incorporated P O Box 6102 M S 3255 Temple Texas 76503 Extensa and DockMate are trademarks of Texas Instruments The icons in the Windows Notebook and Startup groups are copyrighted by Texas Instruments Lotus
23. Port Expander to the Notebook s PCI Expansion Bus Installation 2 3 PS 2 Port Serial Infrared External Port VGA Port Connector for External Expansion System Audio Line Parallel Serial In Out Mic In Port Port Figure 2 1 I O Connector Locations 2 5 1 Installing an External Keyboard Mouse As shown in Figure 2 2 the notebook has one external PS 2 port on the rear of the Notebook for installing a PS 2 compatible device keyboard mouse etc Additional PS 2 devices may be installed using the Port Expander option Pinouts for the PS 2 port on the rear of the Notebook are also provided in Figure 2 2 2 4 Installation Mouse Keyboard Connector MDATA KDATA MSGND MSVcc MCLK KCLK Figure 2 2 PS 2 Port Assignments Pinouts To install an external keyboard or external PS 2 mouse on the notebook use the following procedure Ensure that the notebook is powered off Locate the external PS 2 port at the rear of the notebook refer to Figure 2 2 3 Attach the PS 2 cable from your mouse and or keyboard cable to the PS 2 port 4 Power on any other peripheral devices you may have connected to the notebook and then power up the notebook Installation 2 5 2 5 2 Installing External Parallel Printer The Notebook is equipped with a bidirectional ECC EPP compatible 25 pin parallel printer port The connector pinouts and connector location are shown in Figure 2 3 PARALLEL PORT PINOUTS J z SIGNA
24. Q14 Hard Disk Controller 12 IRQ15 Reserved 13 IRQ3 Serial Comm Port 2 14 IRQ4 Serial Comm Port 1 15 IRQ5 Reserved 16 IRQ6 Diskette Controller 4 4 Theory of Operation Priority Interrupt Interrupt Source Number 17 IRQ7 Parallel Port 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 4 2 2 I O Subsystem The I O subsystem implemented with an SMC37C655IR Super I O Controller Chip provides for such functions as internal floppy drive control serial and parallel ports and support for the Serial Infrared port The Super I O Controller includes the following features 100 percent compatible with ISA EISA and micro channel architectures Built in floppy disk controller Two UARTs e Software compatible with the PC16550A and PC16450 e MIDI compatible Infrared support on UART2 IRDA compliant Bidirectional Parallel Port e Enhanced Parallel Port EPP compatible e Extended Capabilities Port ECP compatible including level 2 support e Bidirectional under either software or hardware control e Compatbile with ISA EISA and Micro Channel architectures e Ability to multiplex FDC signals on parallel port pins for external FDD e Includes protection circuit against damage caused when printer is powered up or operated at higher voltages Integral address decoder provides selection of all pr
25. Series Notebook Computers 2 2 Unpacking Instructions Unpack the computer using the following instructions Carefully cut the tape that seals the top flap of the shipping carton Remove the computer and the accessories from the main shipping carton 3 Remove all protective coverings from the computer 4 Remove the holding tape and open up the accessory box remove the contents Note Save the shipping containers and packaging for later reuse 2 3 Installing Notebook Options If you have no options to install at this time skip to Paragraph 2 4 Otherwise continue with Paragraph 2 3 1 2 3 1 Installing Expansion Memory Modules Note If not installing RAM Expansion option at this time skip to the next paragraph Caution The Dual Inline Memory Module contains components that are sensitive to static electricity When handling the module and the in ternal parts of the computer protect against static electricity by using wrist or ankle grounding straps and grounded working mats When mov ing or storing items use the anti static bags supplied with the items Installation 2 1 1 Ensure that the notebook is powered off and that the AC Adapter and internal battery pack s is are removed from the notebook 2 Remove the Expansion RAM Module Dual Inline Memory Module or DIMM from its shipping container 3 Turn the Notebook over and locate the RAM Access Door held in place by two screws 4 Remove the two Phillips
26. a SVGA MONITOR i Glidepad J INTERNAL LCD DISPLAY 640 X 480 SVGA LCD Figure 5 2 Troubleshooting Block Diagram 5 4 Troubleshooting Procedures 5 3 2 Troubleshooting a Display Problem If the LCD remains blank when you turn on the computer and the status ICONS light on the Status display panel above the keyboard check the following controls on the display e LCD standby mode If the LCD backlight remains off even with the Contrast Control set to its highest position the LCD may be in Standby Mode Press the Power button to power up the system e Notebook Set for External Monitor use CMOS Setup to reset notebook e LCD Replace the cover display assembly as described in Section 6 of this manual Low battery Use a fully charged battery 5 3 3 Fault Isolation Using Self Test When the computer is first powered up it automatically performs a self test of its central hardware and memory functions During self test 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 se quences such as Ctrl Alt Del To execute a keystroke sequence such as this you must press all three keys simultaneously 5 3 3 1 Self Test Error Messages Upon successful completion of the self test the computer automatically loads its operating system and other built in utilities If the s
27. a Power Button and a Status LCD just above the keyboard All notebook functions except the power On Off function are controlled by keyboard keys in conjunction with the Fn key 1 4 4 Standard Power Features Notebook power for the Extensa 57x Series Notebook Computers is provided by an AC Adapter and a rechargeable nickel metal hydride NiMH battery pack that installs in a power bay near the front of the notebook right side A second lithium ion battery may optionally be installed in the Floppy Drive bay when the Floppy Drive is removed from the Notebook All members of the Extensa 57x family feature a power management subsystem hardware and software that provides for longer portable operation and protection of files during low battery conditions Note The Nickel Metal Hydride NiMH battery requires periodic battery con N ditioning in order to charge to full capacity To accomplish this remove the AC Adapter and the secondary battery pack if installed Allow the notebook to deep discharge Then recharge to full capacity The secondary battery pack is a Lithium Ion type that does not require conditioning General Description 1 7 1 4 5 Wireless Connection With Serial Infrared Port The Extensa Series notebooks are equipped with a Serial Infrared IR port that offers wireless communication with a variety of IRDA compliant devices made by other manufacturers N Note Prior to communicating with an external device equipped w
28. ar the center of the keyboard s palmrest With light finger pressure the cursor can quickly be positioned to the desired point a quick double tap on the glidepad and you have selected an object Two select buttons switches are located along the front edge of the notebook for use in the traditional select drag features of a mouse device Glidepad Select Buttons Figure 1 4 Extensa 57X Series Glidepad 1 4 3 Keyboard The Extensa 57x Series Keyboard is a full function keyboard with the standard character and function keys plus 12 programmable function keys F1 through F12 Using the Special Function Fn key which assigns multiple functions to keys the keyboard can emulate IBM 101 102 keyboards The notebook keyboard is available in two basic versions e U S English This version also known as the domestic version is generally used in the United States and Canada e U K English Custom International Version This version is adapted using appropriate keycap changes for the international countries listed in Table 1 2 1 6 General Description N Note The Extensa Series Notebook Computer User s Reference Manual con tains descriptions of keyboard special function keys Esc L T Tre Home a ux TEE Fr Figure 1 5 Extensa Keyboard 1 4 3 1 Controls and Indicators The Extensa 57x contains
29. ark 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 SVGA 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 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 B 2 Starting PC Doctor PC Doctor comes pre installed on your Extensa Series Notebook Computer To run the utility reboot your computer The system conti
30. book for at least another 90 minutes 4 Periodically recondition the primary battery Nickel Metal Hydride as described in Paragraph 3 3 7 3 3 7 Conditioning the Primary Battery The primary battery pack is a Nickel Metal Hydride type that requires periodic deep discharge and recharge in order to accept a full charge approximately every 5 or 6 charge recharge cycles To condition the main battery use the following procedure L Remove the secondary battery if installed in the Floppy Drive bay and AC Adapter if installed 2 Power up the computer and leave it on until the primary battery is completely discharged then reconnect the AC adapter and fully charge the battery Reinstall the secondary battery in the Floppy Bay if using a secondary battery pack 3 3 8 Restoring Missing System Files When you power up the Notebook it automatically checks for certain key files that must be present for normal system operation If any of these files are accidentally erased as indicated by error message insert the Windows95 Startup diskette and reboot the system This will allow you to boot up and troubleshoot your system 3 3 9 Rebuilding the System Software In the event of a hard drive replacement or system board replacement which resulted in loss of system software you may need to rebuild the entire system software structure The following items are required to rebuild the system software e Set of backup diskettes of the sys
31. ct hardware as described in Section 6 of this manual and retest the system using the diagnostic tests as described in Paragraph 5 3 5 The detailed block diagram shown in Figure 5 2 is useful in performing fault analysis of various internal subsystems For example an LCD hardware problem can be traced to either the LCD Inverter Board or Power Supply Board Other subsystem problems can be isolated in a similar fashion using the detailed block diagram as a troubleshooting tool 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 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 for further instructions 5 3 1 Troubleshooting a Power Supply Problem If the computer does not power up when the Power Switch is set to the ON position you most likely have a malfunction in the power subsystem loss of power at the AC Outlet faulty AC Adapter discharged Battery Pack or faulty Power Supply Board With a power problem the status screen and the LCD are both blank 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
32. ctive and non interactive tests on attached devices 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 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 5 6 Troubleshooting Procedures 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 SVGA setup information reading the software interrupts interrupt vectors etc Functionally PC Doctor includes the following e Group of nine 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 har
33. d Assembly e Keyboard Assembly e CMOS Battery Assembly e HDD Connector Board Assembly 1 7 Extensa 57x Series Notebook Specifications Specifications for the Extensa 57x Series Notebooks are provided in Table 1 3 General Description 1 11 Table 1 3 Extensa 57x Notebook Features T Models Specifications Models 570CD 575CD 570CDT 575CDT Processor Pentium 100 MHz Pentium 100 MHz Memory Standard 8 MB 8MB Maximum 40 MB 40 MB Cache 256 KB L2 Cache 256 KB L2 Cache Display LCD Type 11 3 inch SVGA Dual 10 4 inch SVGA Dual Simultaneous LCD Ext SVGA Video RAM Size Video Bus Scan Color Yes 1 MB PCI Bus with Graphics Accelerator Scan Color Active Matrix Color Yes 1 MB PCI Bus with Graphics Accelerator Keyboard Pointing Device Ergonomic Keyboard Built In Glidepad Yes Yes Yes Yes Storage Floppy Drive 3 5 inch 1 44 MB 3 5 inch 1 44 MB Module Hard Drive 810 Million Bytes 1200 Million Bytes CD ROM Drive 4X or 6X Speed 4X or 6X Speed Interfaces Serial RS 232 Port Parallel Port EPP ECP External VGA Port External PS 2 Port Serial Infrared Port Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Expansion Bus PCI supports Port Replicator option PCI supports Port Replicator option 1 12 General Description Le tors Models Specificatio
34. d disk and floppy disk Group of seven interactive tests require operator input for testing the keyboard video sections sound subsystem mouse joystick diskette drive printer subsystem and SCSI CD ROM Drive subsystems e 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 SVGA setup information software interrupts and interrupt vectors e Group of special purpose utilities to run other tests from PC Doctor perform a virus scan of the internal RAM 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 The PC Doctor diagnostic program contains a group of nine non Interactive diagnostics available from the Diagnostics heading in the main menu that permits testing various hardware sections without operator input You can select one several or all tests from the Diagnostics menu These tests are non destructive the serial and parallel port tests require disconnecting external devices from your notebook and installing loopback plugs The Non Interact
35. econd battery pack option can 2 2 Installation be installed in the removable Floppy CD ROM bay Two switches that used to remove devices from the option bay are physically located on the bottom of the Notebook The left most switch controls removal of the Primary Battery Pack and the right most switch controls removal of the device installed in the Floppy CD ROM Secondary Battery bay To remove or replace the battery pack follow the steps below 1 Save any data then Power off the notebook Disconnect the AC adapter if installed 2 Turn the notebook over and press the battery release switch while pressing outwards on the primary battery pack Remove the battery from the Notebook 3 Insert a new or recharged battery pack into the battery compartment bay Make sure that the contacts are facing up and to the rear of the compartment Caution There is danger of explosion if the battery is incorrectly re placed Replace the battery only with the same or an equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions 4 If installing a secondary battery pack insert the battery pack into the front right side of the notebook until the battery pack clicks in place 2 5 Installing External Devices Most external devices connect to the Notebook via the connectors on the rear of the notebook as shown in Figure 2 1 Additional connectivity can be obtained by installing an optional
36. elf test fails to complete successfully the display shows one of the error messages described in Appendix A 5 3 4 PCMCIA Modem Problems If an optional PCMCIA modem does not work properly check the following items Proper installation of any PCMCIA options check Modem settings under Control Panel Dialing problem or wrong number Try dialing a number that you have previously dialed successfully Troubleshooting Procedures 5 5 e Faulty phone line Connect a telephone to the line and listen for a dial tone e Software program Check to ensure that you have installed the software correctly e O Address Conflict The multimedia sound capability of the Extensa uses I O address 220 However this may conflict with some third party PCMCIA cards like the IBM Token Ring card In this case reset the Extensa multimedia sound to I O address 240 as shown in Figure 5 3 I O Address 220 I O Address 240 Both switches in Both switches in lower position upper position NOTE Lift keyboard to access IR Sound Board DIP Switch Figure 5 3 I O Address Setting IR Sound Board 5 3 5 Fault Isolation Using Diagnostics PC Doctor supplied with the Extensa Series Notebooks is a powerful diagnostics tool that can help you scan an internal RAM 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 intera
37. embly contains the LCD screen Power Inverter Board Transfer Board and cables The Field Replaceable Units FRUs within the Cover Display Assembly are provided in Table 6 1 Bezel Removed for Clarity Transfer Board Power Inverter Board LCD Cover Bezel Nameplate not shown Cables not visible in this view Figure 6 1 Cover Display Assembly FRUs Field Service 6 3 Table 6 1 Cover Display Assembly Field Replaceable Units FRUs Item FRU Description TI Part No Reference No Paragraph No 01 Inverter Board TFT DSSTN 9811310 0001 6 5 15 02 11 3 DSTN SVGA LCD Panel 9811312 0001 6 5 6 03 10 4 TFT SVGA LCD Panel 9811313 0001 6 5 6 04 11 3 DSTN SVGA Cable 9811314 0001 6 5 6 05 10 4 TFT SVGA Cable 9811315 0001 6 5 6 06 Display Interconnect Board TFT 9804800 0001 6 5 6 07 Display Interconnect Board DSSTN 9804024 0001 6 5 6 08 TFT Panel Transfer Board 9804801 0001 6 5 6 09 DSSTN Panel Transfer Board 9804803 0001 6 5 6 10 Bezel 11 3 DSSTN 9811320 0001 6 5 6 11 Bezel TFT 10 4 9811321 0001 6 5 6 12 Bezel Nameplate 570CD 9811322 0003 Ref 13 Bezel Nameplate 575CD 9811322 0004 Ref 14 Bezel Nameplate 570CDT 9811322 0005 Ref 15 Bezel Nameplate 575CDT 9811322 0006 Ref 16 Hinge Covers 9805713 0001 Ref 6 4 Field Service 6 4 2 System Base Assembly As shown in Figure 6 2 the System Base Assembly houses a variety
38. enus There are several selections available from the menu bar of the PC Doctor Diagnostics main menu These include Diagnostics e Interactive Tests e Hardware Info Utility Quit B 5 1 Online Help To obtain context sensitive help from any menu press F1 Pressing F1 twice or clicking on the question mark in the upper left hand corner of the menu provides you with complete online documentation B 5 2 Diagnostics The Diagnostics menu allows you to run non destructive tests with little or no operator interaction Options available from the PC Doctor Diagnostics Menu include e System Test tests all major aspects of the system except those found in Memory Hard Disk Floppy Disk and the Miscellaneous Test categories Memory Test tests all types of main memory in the system including base extended expanded and upper memory block UMB memory Hard Disk Test tests all hard disk drives in the system that are either IDE or provide a BIOS command interface Floppy Disk Test tests all floppy disk drives in the system All Tests allows you to select which tests to run You can also specify special testing options By pressing F2 the following options are available e Halt On Errors interrupts testing if an error is detected Note External serial and parallel port testing requires loopback plugs not provided with this software e External Loopback tests external loopback of COM and LPT por
39. eral Descri ption 1 1 Introduction This manual contains field and factory level servicing information for the Texas Instruments Extensa 57x Series of Notebook Computers Figure 1 1 This section provides a general overview and specifications for the Extensa 57x Series Notebook Computers Figure 1 1 Extensa 57xSeries Notebook Computer 1 2 Product Models Table 1 1 summarizes the features shipped with the notebook for the product models initially available in the Extensa 57x family of notebook computers The product models offer a choice of either 11 3 inch dual scan color or 10 4 inch active matrix color LCD and a choice of either the basic Windows 95 operating system or Windows 95 plus application software Other options include choice of 810 million byte or 1200 million byte hard drive General Description 1 1 Table 1 1 Extensa 57x Series Notebook Computers Features Model Model Model Model 570CD 575CD 570CDT 575CDT 11 3 Dual Scan SVGA X X Color LCD 10 4 Active Matrix TFT X X SVGA Color LCD 1 44 MB Floppy Drive X X X X Module CD ROM Drive Module X X X X Windows 95 X X X X Application Software X X 16 Bit Stereo Sound X X X X HDD 810 Million Bytes X X HDD 1200 Million Bytes X X 1 3 International Product Versions The Extensa 57x Series Notebooks are available in domestic and international configurations as l
40. ery only if the battery is defective 1 Remove the top case assembly as described in Paragraph 6 5 8 2 Disconnect the battery cable from the main board lift the battery from the base 3 Reinstall replacement battery 6 5 13 Removing Replacing the Main Board To remove and replace the main board assembly perform the following procedure 1 Remove the top case assembly as described in Paragraph 6 5 8 2 Using a 5 mm hexdriver remove the four hex standoffs shortest is located next to the PS 2 connector and the longest is located at the rear of the unit 3 Remove the four Phillips head screws securing the main board to the base plastics Field Service 6 13 4 Lift up on the front edge of the main board until it clears the battery cavity then pull the main board forward and out of the plastics 5 Reassembly is the reverse of steps 1 through 4 above Main Board Assembly Remove all other board assemblies then remove four Hex Standoffs and four screws Figure 6 4 Replacing the Main Board Assembly 6 5 14 Removing Replacing HDD Connector Board To remove and replace the HDD connector board Assembly perform the following procedure Remove the top case assembly as described in Paragraph 6 5 8 Remove the main board assembly as described in Paragraph 6 5 13 Turn the main board over and lay on a flat surface PWN HM Using a small Phillips screwdriver remove the two screws securing the HDD connector boa
41. h RAM test in progress or failure above address OFFFFh 3Ah Interval timer channel 2 test in progress or failure 3Bh Time Of Day clock test in progress or failure 3Ch Serial port test test in progress or failure 3Dh Parallel port test test in progress or failure 3Eh Math Coprocessor test in progress or failure 50h Initial M1429 52h Dynamic Memory Configuration and check external Cache size 53h Shadow BIOS 54h Perform PCI device initialization 55h Check CMOS checksum 56h Check CMOS config against actual 57h Enable disable enternal cache 5Fh Initial PnP device nodes 90h Enable disable external cache 70h For PCI 71h For PCI 72h For PCI 73h For PCI 74h For PCI 75h For PCI 76h Begin PCI devices initialization 77h Configures PCI VGA devices 78h Except VGA 79h Begin PCI service routines 7Ah PCI Option ROM initialization A 4 Error Messages Checkpoint Description No D4h Normal POST start EOh Shadow PCI non VGA option ROM Elh Shadow PCI VGA option ROM to C000 segment E3h Start to find PCI option ROM E4h Begin to shadow PCI option ROM 1Fh Begin to configures PCI VGA devices Dlh Allocate Space for option ROM Error Messages A 5 B PC Doctor Diagnostics B 1 Introduction The Extensa Series Notebooks are shipped with PC Doctor a powerful diagnostics tool that can help you determine the hardware configuration of a local or remote system benchm
42. h its internal LCD display and an external SVGA monitor LCD only simultaneous or SVGA only The external monitor connector pinouts and connector locations are shown in Figure 2 5 To install an external monitor with the notebook use the following steps 1 Ensure that both the notebook and the external monitor are turned off Locate the 15 pin female SVGA port on the Port Adapter Attach the appropriate end of the monitor cable to the SVGA port on your notebook If the monitor cable connectors have retaining screws tighten them down 4 If necessary connect the monitor power cable to the monitor and plug the monitor power cable into an electrical outlet 5 Power on the monitor as well as any other peripheral devices connected to the notebook then power up the notebook EXTERNAL VGA CONNECTOR PINOUTS SIGNAL NAME 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 VERTICAL SYNC NOT USED OANDABRWNDN Figure 2 5 Connecting an External SVGA Monitor 2 8 Installation 2 5 5 Installing SIR Devices The Serial Infrared IR port offers wireless communication with a variety of IRDA compliant devices made by other manufacturers Ensure that the third party manufacturer supplies you with the appropriate IR drivers before attempting connection As shown in Figure 2 6 the Notebook SIR
43. he drive uses the standard ATAPI interface The CD ROM subsystem is controlled by the IPC which also controls the hard drive subsystem 4 2 7 PCMCIA Subsystem The notebook is equipped with an on board PCMCIA host adapter UM8366F PCMCIA Controller and sockets to support Type I II or III options The PCMCIA Controller has the following features e Single chip PCMCIA host adapters e Direct connection to ISA PC AT Bus Direct connection to PCMCIA 2 0 Bus e PCMCIA 2 0 and JEIDA 4 1 compliant e 82365SL compatible register set ExCA compatible Automatic Low power Dynamic Mode for lowest power consumption Programmable Suspend Mode e Five programmable memory windows per socket Theory of Operation 4 7 e Two I O windows per socket Programmable card access cycle timing e 8 or 16 bit CPU interface 8 or 16 bit PCMCIA interface support e ATA disk interface support e Automatic flash memory timing support e Easy host interface using ISA I O addresses OS3EOh O3E1h e Mixed voltage 3 3V or 5V operation e Dual socket interface 208 pin QFP 4 2 8 Sound Subsystem Model Dependent Some models of the Extensa 57x Series notebooks are equipped with a 16 bit stereo sound system including e Built in microphone and stereo speakers e Stereo line input 5 pin jack DIP e Stereo Line Output 5 pin jack DIP External microphone input 5 pin jack DIP Audio chipset The sound subsystem is phys
44. head screws that hold the RAM access door and remove the door 5 Insert the edge of the first DIMM Board into the rear of either available connector Use a rocking motion and insert the board at an angle to the surface of the Main Board Fully insert the module Push downwards on each side of the DIMM module until it snaps in place Repeat the procedure for the second module 6 Replace the RAM Access Door and all components removed in Step 1 This completes the expansion memory module installation procedure 2 3 2 Installing PCMCIA Options The Notebook has provisions for two Type I or II options or one Type III PCMCIA option card 1 Review the installation instructions supplied with the PCMCIA option card s 2 Open the PCMCIA compartment cover on the right side of the notebook 3 To insert a PCMCIA card align the card with the socket and slide the card into the socket until it locks into place 4 To eject a PCMCIA card first ensure that the notebook is not accessing the memory card or device Under Windows 95 go to the Control Panel PC Card selection and direct the card to stop before removing card 2 3 3 Installing the Optional Numeric Keypad An optional numeric keyboard can be attached to the notebook via the notebook s PS 2 connector refer to Figure 2 2 2 4 Installing the Battery Pack s The Extensa Notebook is shipped with a single battery pack that is inserted from the front left side of the computer A s
45. hecksum in progress or failure 04h Programmable Interval Timer test in progress or failure 06h DMA page register write read test in progress or fail 08h RAM refresh verification in progress or failure 09h lst 64K RAM test in progress OAh lst 64K RAM chip or data line failure multi bit OBh lst 64K RAM odd even logic failure OCh lst 64K RAM address line failure ODh lst 64K RAM parity test in progress or failure 10h lst 64K RAM chip or data line failure bit O 20h Slave DMA register test in progress or failure 21h Master DMA register test in progress or failure 22h Master interrupt mask register test in progress or fail 23h Slave interrupt mask register test in progress or fail 25h Interrupt vector loading in progress 27h Keyboard controller test in progress or failure 28h CMOS power fail and checksum checks in progress 29h CMOS config info validation in progress 2Bh Screen memory test in progress or failure 2Ch Screen initialization in progress or failure 2Dh Screen retrace tests in progress or failure 2Eh Search for video ROM in progress 30h Screen believed operable 34h Timer tick interrupt test in progress or failure Error Messages A 3 Checkpoint Description No D4h Normal POST start 35h Shutdown test in progress or failure 36h Gate A20 failure 37h Unexpected interrupt in protected mode 38
46. ibed in Paragraph 6 5 8 6 12 Field Service 2 Some versions of the IR sound board contain two cables that connect to the left side of the main board Disconnect these cables if present 3 Remove three screws that hold the IR sound board to the unit two screws are located at the rear which secure a rear bezel and one screw is in the front 4 Grasp the front left corner and front right corner of the board remove the board from the unit 5 Replacement of the IR sound board assembly is essentially the reverse of Steps 1 through 4 above Note Ensure that the I O port address switch settings on the original board match the setting of the replacement board refer to Figure 5 3 in Section 5 6 5 11 Removing Replacing the Power Supply Board To remove and replace the Power Supply Board perform the following procedure 1 Remove the Top Case Assembly as described in Paragraph 6 5 8 2 Remove the holding screw on the left side of the board 3 Firmly grasp the board and use a side to side rocking motion while lifting up on the board 4 When reinstalling the Power Supply Board ensure that the plastic cap that rests on top of the Closed Cover Switch has the slanted surface facing the front of the Notebook 6 5 12 Removing Replacing the CMOS Battery To remove and replace the CMOS battery use the following procedure Note Replacement of the CMOS battery will result in the loss of customer definable settings Replace CMOS batt
47. ically implemented on the IR Sound Board 4 2 9 Power Subsystem The Power Subsystem consists of the following major parts e Power Management hardware and software components e AC Adapter e Power Supply Board Nickel Metal Hydride NiMH Battery Pack e Optional Secondary Battery Pack Lithium Ion if not using the Media Bay for a floppy drive or CD ROM Drive 4 2 9 1 Power Management The notebook is equipped with a power management function that minimizes battery usage for prolonged battery operation and automatically recharges the batteries when the notebook is used with an AC adapter 4 8 Theory of Operation The power management modes and warnings include the following e LCD standby mode e Hard disk CD ROM standby mode e System standby suspend mode e Battery low warning e Standby suspend upon battery low 4 2 9 2 AC Adapter The notebook uses an AC adapter with built in over voltage and short circuit protection The adapter can with stand a continuous short circuit to DC output without damage to the notebook logic components and resets to the normal power mode after the fault condition is removed 4 2 9 3 Primary Battery Pack The Extensa 57x Series Notebooks use a Nickel Metal Hydride battery as the primary battery pack Specifications for the primary battery pack are provided in Table 4 4 Table 4 4 Primary Battery Pack Specifications Function Specifications Battery type NiMH
48. imary and secondary ISA addresses including COM1 4 and LPT1 3 Enhanced Power Management Function e Enhanced programmable power down and wake up modes Theory of Operation 4 5 Auto power down and wake up modes e Typical current consumption during power down is less than 10A 4 2 3 Video Subsystem The video subsystem implemented on the Main Board and on the LCD Display Unit displays text graphics and drives an external SVGA port The video subsystem is implemented with a Cirrus Logic CL GD 7543 high performance VGA controller and supporting logic and video RAM 1 MB The major features of the VGA controller include Highly integrated design flat panel CRT VGA controller RAMDAC clock synthesizer e Multiple Bus Architecture Integrated Interface e Local Bus 32 bit CPU Direct and VL e EISA ISA PC AT 16 bit Bus e Integrated programmable linear address feature accelerates GUI performance e Supports panel resolutions up to 1280 X 1024 resolution including 800 X 600 and 1024 X 768 e SMARTMAP intelligent color to gray scale conversion enhances text legibility e Text enhancement feature improves white text contrast on flat panel displays Fully Compatible with IBM SVGA 4 2 3 1 External SVGA Drive Capability The Extensa 57Xcontains an external SVGA port 15 pin female D type connector which can be used to drive an external CRT standard SVGA modes with resolutions of 800 X 600 X 256 or 640 X 480 X
49. is a trademark of Lotus Development Corporation IBM and VGA are trademarks and PS 2 is a registered trademark of International Business Machines Corporation Microsoft Windows and MS DOS are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation Cirrus and SimulSCAN are trademarks of Cirrus Logic Inc IRDA is a trademark of Infra Red Data Association Contents Preface l General Description T 52 VBOFOOHCUOTUS 1 oce Gor ID t e l t e D cR 1 1 1 2 Prod cb Models x 5 du Y xa oed ee EORR ee 1 1 1 3 International Product Versions 1 2 I4 Product OVerview oo vov RR Aah bias AS 1 3 i AeL oss External Porte ioci esten E X PSP 1 5 1 4 2 Glidepad Pointing Device 1 6 LAS Jae Keyboard Las e Loeb ek 0 eat AE Lew ane we Rae ONS 1 6 1 4 4 Standard Power Features 1 7 1 4 5 Wireless Connection With Serial Infrared Port 1 8 1 4 6 Preloaded Software iia cive teen ea 1 8 1 4 7 Notebook Expansion Capabilities 1 8 1 5 Standard Test Features 225 4484 0084s Rs 1 9 1 6 Notebook Assemblies and Subassemblies 1 9 1 6 1 Cover Display Assembly 1 10 1 6 2 System Base Assembly 4 1 11 1 7 Extensa 57x Series Notebook Specifications 1 11 1 85 25 pie Agency ADProValS sona eun tere bt ep Aes 1 13 2 Installation 2
50. isted in Table 1 2 Table 1 2 Notebook Domestic International Configurations Configuration P N Suffix Configuration P N Suffix Domestic 0001 Swedish 0010 UK 0002 Swiss French 0011 German 0003 Danish 0012 French 0004 Norwegian 0013 Spanish 0005 Finish 0014 Swiss German 0006 Belgium 0015 Italian 0007 Austrian 0016 Portuguese 0008 Latin American 0018 Western European 0009 1 2 General Description 1 4 Product Overview All members of the Extensa 57x Series are high performance notebooks powered by the Pentium Processor and Windows 95 Operating System software As a standard feature all members of the Extensa 57x family also contain the following features e 100 MHz Pentium Processor with 16K Internal Cache Memory e 8 MB of RAM memory standard user expandable to 40 MB easy access via door at bottom of notebook e 256 KB L2 Cache e 128 bytes of battery backed up CMOS RAM e High performance PCI Peripheral Component Interconnect Bus Architecture PCI Bus Expansion port for use with optional Expansion System e Removable Hard Disk Drive 810 or 1200 million byte capacity e Removable 1 44 MB Floppy Drive interchangeable with optional CD ROM Drive or Lithium Ion secondary battery pack e Two PCMCIA option slots one slot accepts one Type I II option and the second slot accepts either a Type I II or III device e Ergonomic keyboard wi
51. ith a serial infrared interface the appropriate third party drivers must be installed on your notebook 1 4 6 Preloaded Software All members of the Extensa 57x Notebook family are preloaded with the Windows 95 Operating System In addition Extensa 575CD and 575 CDT models come standard with the following application packages installed Microsoft Works e Quicken SE Lotus Organizer Microsoft Entertainment Pack No 4 1 4 7 Notebook Expansion Capabilities Expansion capabilities built into the Extensa notebook series include User installable expansion RAM memory to a maximum of 40 MB e By removing the floppy drive you can add either a second battery pack or CD ROM Drive Cable Connect PS 2 Numeric Keypad option TI Part No 2581381 0001 or other PS 2 type device e g keyboard or mouse can be attached to the PS 2 Port e A parallel device can be attached to the notebook s external 25 pin parallel port EPP ECP compatible e With one of the DockMate desktop expansion systems installed additional expansion ports are available 1 8 General Description 1 5 Standard Test Features The Extensa Series Notebook Computers use modular 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 Also the notebook contains a powerful suite of diagnostic tests called PC Doctor described in detail in Appendi
52. ive test categories include e CPU and Coprocessor tests e Base RAM memory test e System Board test e Video Test e COMI and LPT1 serial port tests e Parallel Port Test e Fixed Disk test e Diskette Drive tests Troubleshooting Procedures 5 7 Other devices Sound card PCMCIA options etc Interactive Tests The PC Doctor diagnostic test includes a suite of seven Interactive tests that require operator input during the course of the test The Interactive Tests category includes Keyboard tests the keyboard keys LEDs and repeat function Video tests the LCD and external SVGA character sets and colors Speaker tests the volume response at different frequencies Mouse tests the mouse driver buttons and functionality J oystick calibrates the external joystick connected to the system and tests the joystick buttons Diskette Drive checks diskette drive functionality Maximum System Load thoroughly exercises system to the maximum extent possible for performing system burn in and test Printer Test tests the operation of a connected printer SCSI Test sends test codes to attached SCSI devices requires use of a Docking System with SCSI CD ROM Test checks out any attached CD ROM Drive requires attachment of a Docking System with CD ROM capability Supporting Online documentation The PC Doctor Diagnostic contains the following online information sources e Online Technical Manual selected at any
53. lowing procedure 1 Power down the notebook disconnect the AC Adapter if attached and remove the notebook battery packs as described in Paragraph 6 5 1 Using a small Phillips head screw driver remove the two screws that secure the RAM Access Door to the base and remove the door Push the two plastic springs away from the board edge and remove the board using a slight rocking motion When installing a DIMM board insert the edge of the board into the rear of its connector using a slight rocking motion at an angle to the surface of the board Once the DIMM is fully inserted in the connector push downward on both sides of the board to snap it in place Repeat steps 4 and 5 for each DIMM module being installed Then replace hardware earlier removed in Steps 1 and 2 Field Service 6 9 6 5 5 Removing Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as follows 1 Power the notebook off disconnect the AC Adapter from the notebook if attached and remove the battery pack s as described in Paragraph 6 5 1 2 The top edge of the keyboard is held in place by latches above the PrtSc and F2 keys Slide the latches toward the outer edges of the notebook 3 Using a small straight blade screwdriver lift the rear edge of the keyboard and lay the keyboard over on the glidepad 4 Unlock the keyboard ZIF connector on the main board and remove the keyboard cable lift the keyboa
54. n about the installed serial and parallel ports Only ports that are identified by BIOS are listed Physical Disk Drives shows the basic characteristics for each installed fixed disk drive including the contents of partition tables Logical Disk Drives displays information about each drive that is available and has a disk in it If Stacker or DoubleSpace disk compression software has been installed details about each stacked or doubled drive is shown e VGA Information identifies the type of installed VGA chip e Software Interrupts displays software interrupt vectors and the area of memory they point to e SCSI Devices lists information about SCSI devices and interface cards if a CAM or ASPI compliant SCSI device driver is present B 5 5 Utility Menu PC Doctor has a dedicated menu for utility functions These functions include Run External Tests runs other programs from PC Doctor e Edit CMOS RAM gives access to CMOS RAM data FileEditor allows editing of configuration files Surface Scan Hard Disk checks for defects on the hard disk Benchmark System measures system performance e DOS Shell opens a DOS prompt from within PC Doctor Terminal gives access to devices connected to a serial port such as a modem Memory Debugger displays memory contents in either hexadecimal decimal or ASCII form Remote Operation enables remote control if available e Tech Support Form allows you to c
55. ns Models 570CD 575CD 570CDT 575CDT Battery Pack Nickel Metal Hydride Nickel Metal Hydride optional Lithium Ion optional Lithium Ion secondary battery pack secondary battery pack option option Sound Features 16 bit Stereo Sound Audio 16 bit Stereo Sound in out and Microphone In Audio in out and jacks built in stereo Microphone In jacks speakers and microphone built in stereo speakers and microphone PCMCIA Support Type I II or III Optional Type I I or III Optional Windows 95 Yes Yes Windows for Yes Model 570CD only Yes Model 570CDT only Workgroups Physical Characteristics Weight Approx 6 2 Pounds Approx 6 2 Pounds Dimensions 11 7 L X 1 7 H X 8 2 11 7 L X 1 7 H X 8 2 W W NOTE Only one module Floppy Drive CD ROM or second Battery may be installed in the notebook at any given time NOTE Weight specifications do not include Floppy Drive CD ROM drive AC Adapter or second battery option 1 8 Agency Approvals All Extensa 57x Series products meet the following standards e Underwriters Lab UL Standard 1950 safety e Canadian Standards Association CSA Standard 220 safety e FCC CFR 47 Part 15 Subpart J FCC Level B EMI e Canadian Department of Communications DOC Certification e VDE 0871 Class B EMI e CE Mark General Description 1 13 2 Installation 2 l Introduction This section contains unpacking and preparation for use instructions for the Extensa 57x
56. nues the boot process and automatically displays the PC Doctor Diagnostics main menu PC Doctor Diagnostics B 1 B 3 Keyboard Navigation The keys shown in Table B 1 can be used to navigate through the PC Doctor menus Table B 1 PC Doctor Key Assignments Key Description Cursor Keys Moves the highlighted pointer Enter Selects the highlighted option Esc Cancels current function and goes back one step F1 Activates context sensitive help F1 twice Activates the online documentation PageUp PageDn Moves the screen one page at a time F2 Prints the log F3 Saves the log to a file In addition when you select All Tests from the Diagnostics menu the Test Selection Menu that appears uses the keys listed in Table B 2 Table B 2 Test Selection Menu Special Keys Key Description Space Bar Enables Disables the selected test Enter Enables Disables the selected test F2 Activates Test Options Menu F5 Runs the selected tests F10 Disables all tests B 4 Mouse Navigation You can also use a mouse with the user interface Use the left mouse button to choose objects menu entries and action codes in square brackets Use the right mouse button as you would the Esc key to take you back to your previous step Click on the in the upper left corner of the screen for context sensitive help Menus B 2 PC Doctor Diagnostics B 5 PC Doctor M
57. oard CMOS Checksum Error Cycle power to Notebook if problem persists replace main board Disk Boot Failure Insert a system disk in drive A Diskette Drive Controller Error or No Cycle power to Notebook if Controller Present problem persists replace main board Diskette Drive Error Insert Diskette and retry if problem persists replace drive Diskette Drive Type Mismatch Press Ctrl Alt Esc to reconfigure the system Equipment Configuration Error Press Ctrl Alt Esc to reconfigure the system Hard Disk 0 Error Cycle power to Notebook if problem persists replace main board and or hard drive Hard Disk 0 Extended Type Error Cycle power to Notebook if problem persists replace hard drive Insert system diskette and press key to Insert a system disk in drive A reboot I O Parity Error Cycle power to Notebook if problem persists replace main board Keyboard Error or No Keyboard Cycle power to Notebook if Connected problem persists check keyboard cable conections to main board if problem persists replace keyboard and or main board Error Messages A 1 Error Message Corrective Action Keyboard Interface Error Cycle Power to Notebook if prob lem persists check keyboard cable conections to main board if problem persists replace keyboard and or main board Memory Size Mismatch Enter and then exit the System Configuration Setup in the Setup utility
58. ollect information about the current system e Battery Rundown quickly deep discharges the NiMh battery of a laptop computer PC Doctor Diagnostics B 5 B 6 Quitting PC Doctor You can quit PC Doctor in the following ways e Exit Alt F4 Reboot performs a cold boot PC Doctor flushes all files and attempts to flush write caches Park HD prepares a computer for transport B 7 Remote Operation This selection only appears in the Utility menu if your PC Doctor supports remote control This entry opens the Remote Operation menu if you are not yet online or closes the remote connection if the system is already remotely controlled When PC Doctor is operated remotely it is possible to perform a remote reboot Remote rebooting is a complicated procedure that reloads the operating system and makes changes to CMOS RAM and configuration files For further information on remote operations refer to online documentation or help B 6 PC Doctor Diagnostics Printed in U S A A TEXAS INSTRUMENTS
59. omputer generally will notify you when you are reaching a low battery condition by performing the following actions One beep every 10 seconds unless battery warning is disabled The battery low warning is automatically disabled when the AC Adapter is installed on the notebook regardless of the charge condition of the battery pack e Ifthe AC adapter is not plugged in within three minutes of a detected battery low condition the notebook enters Standby mode e The Notebook returns to the normal operating mode when the power switch is activated Unit then recovers RAM information from the hard drive and restores unit to previous On condition 3 3 5 Minimizing Power Usage The following actions can minimize power usage and protect your work during the critical minutes before you shut the system down or replace one of the battery packs with a fully charged pack Press Ctrl Standby to shut off the alarm if it s enabled e Save RAM Disk if using RAM Disk feature e Power down the system if you do not need the computer 3 4 Operating Instructions 3 3 6 Recharging the Battery Packs A standalone battery charger option is available to charge notebook battery packs The battery packs may also be charged in the notebook as follows L Install the battery pack s in your computer if not already installed 2 Connect the AC Adapter as described in Section 2 3 To fully charge the battery pack leave it charging in the Note
60. otebook operating controls and indicators Note For additional operating instructions refer to the Extensa 57x Series Notebook Computer Users Guide 3 2 Notebook Controls and Indicators The Extensa Series Notebooks are equipped with the following controls and indicators e Alternate action Power Button in the upper left corner above the keyboard e Status LCD centered above the keyboard ICONs are used to convey status information refer to Figure 3 1 e Embedded special function keys in the keyboard including Contrast and Brightness Control are activated by the Fn key Status LCD Display Power Button Glidepad Mouse Mouse Select Buttons Figure 3 1 Extensa Series Controls and Indicators Operating Instructions 3 1 3 2 1 LCD Contrast Control The TFT version of the notebook contains no operating controls or indicators Use the function keys to adjust the contrast and brightness TFT versions are unaffected by contrast key adjustments 3 2 2 Button Switches The notebook contains one button switch above the keyboard the Power On Off Switch This button is an alternate action type switch that controls power to the unit Pressing the Power button causes power to be applied to the notebook power up self test to be run and Windows 95 to be loaded When the Power button is pressed again the Notebook powers down and all data in RAM memory is lost 3 2 3 Cover Release Latch The Notebook contains a Cover
61. oubleshooting a Display Problem 5 5 5 3 3 Fault Isolation Using Self Test 5 5 5 3 4 PCMCIA Modem Problems 5 5 5 3 5 Fault Isolation Using Diagnostics 5 6 6 Field Service Qu soos CHICEDOUCHOR S aon eA opr se eres OR er RAC te 35 e 6 1 6 2 Preventive Maintenance oov dep e ge do OUR IR OR 6 1 6 2 1 Cleaning the Computer 2 ees 6 1 6 2 2 Protecting the DISK Drives so ox wen hex 6 1 6 2 3 Handling the Computer Battery Pack 6 2 6 2 4 Restoring System Software 6 2 6 3 Required Tools and Equipment 6 2 6 4 Notebook Field Replaceable Parts and Assemblies 6 3 6 4 1 Cover Display Assembly 6 3 6 4 2 System Base Assembly o a ovr res 6 5 6 5 FRU Removal and Replacement Procedures 6 8 6 5 1 Removing Replacing the Notebook Battery Pack 6 8 6 5 2 Removing Replacing the Floppy Drive CD ROM 6 8 6 5 3 Removing Replacing the Hard Drive 6 9 6 5 4 Removing Replacing DIMM Modules 6 9 6 5 5 Removing Replacing the Keyboard Assembly 6 10 6 5 6 Removing Replacing the Display Assembly 6 11 Contents V vi Contents Removing and Replacing the LCD Status po Assembly 495 55 t Sc Dc dolore AOR EORR RUSSE X 6 11 Removing Replacing the Top Case Assembly 6 12 Removing Replacing the Glidepad Assembly
62. pack as soon as possible after a low battery indication 6 2 4 Restoring System Software The hard drive on the notebook computer is factory loaded with Windows 95 and ready for operation Supplied with the Windows 95 system is a facility for creating backup diskettes of the system software In the event of a disk crash or other problem you can use the Windows 95 Startup diskette to boot the unit and perform troubleshooting 6 3 Required Tools and Equipment All notebook computer corrective maintenance procedures can be performed using the following tools e Tweezers e Small flat blade screwdriver e Small Phillips screwdriver e Hexagonal Screwdriver e Plastic Stick 6 2 Field Service 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 or ankle grounding straps and grounded working mats When moving or storing items use the anti static bags supplied with the items 6 4 Notebook Field Replaceable Parts and Assemblies All members of the Extensa 57x Series Notebook Computers contain two major assemblies including the Cover Display Assembly upper half of notebook computer and the System Base Assembly lower half of the notebook Each of these two assemblies contain FRUs as described in the following subparagraphs 6 4 1 Cover Display Assembly As shown in Figure 6 1 the Cover Display Ass
63. rd out of the unit 5 When installing the replacement keyboard essentially reverse Steps 1 through 4 Left side release Right side release latch behind PrtSc Key Figure 6 3 Removing Replacing the Keyboard Assembly 6 10 Field Service 6 5 6 Removing Replacing the Display Assembly To access FRUs in the display assembly remove the display assembly as described in the following procedure Remove the keyboard assembly as described in Paragraph 6 5 5 Lean the LCD partially back do not lean the LCD completely back as it may cause the LCD status cover to bind 3 Using both thumbs press the front edge of the LCD status cover to release two latches on the rear edge of the cover With a rocking motion gently remove the LCD cover Note You may have to adjust the LCD cover and lift upward on the front edge of the LCD status cover 4 Remove the screw that secures the ground cable to the Main Board located directly below the processor 5 Locate the display interconnect hinge board plugs vertically into the main board just to the left of the CPU 6 Using two pairs of pliers lift upwards on the left and right side of the display cable interface board and remove the board from the unit while pulling the ground cable from the base assembly 7 Lay the Display Assembly completely back and remove the four Phillips head screws that secure the display hinges to the
64. rd to the main board 5 Replacement is the reverse of Steps 1 through 4 6 14 Field Service 6 5 15 Removing Replacing Inverter Board To remove and replace the inverter board assembly perform the following procedure Caution Prior to removing the LCD bezel ensure that the AC adapter is disconnected and that all internal battery packs are removed Fail ure to observe this precaution could expose you to dangerous high voltages 1 Remove the top case assembly as described in Paragraph 6 5 8 2 Remove the main board assembly as described in Paragraph 6 5 13 3 Turn the main board over and lay on a flat surface 4 Unplug the speaker cable assembly connected to the display interface board 5 Remove the four rubber screw covers and the four screws beneath the covers 6 Pull on the inside edges of the bezel to remove it starting with the bottom of the bezel 7 Disconnect the connectors at the top and bottom of the inverter board 8 Use a small Phillips head screwdriver to remove the two screws holding the inverter board to the plastics Remove the inverter board 9 To replace the inverter board reverse Steps 1 through 8 Field Service 6 15 Appendix A Self Test Error Messages A 1 Introduction This appendix contains reference data useful in diagnosing and correcting self test errors Table A 1 Self Test Error Messages Error Message Corrective Action CMOS Battery Bad Replace main b
65. reen by first ap plying a mild glass cleaner to a soft clean lint free cloth and gently wipe the glass Never apply liquids directly on the screen surface Caution Do not use paper towels to clean the display screen Paper can scratch the display screen matte 6 2 2 Protecting the Disk Drives To protect the disk drives and data back up the system disk periodically on floppy diskettes Periodically use a head cleaning diskette in the floppy diskette drive to prolong the life of the drive and to help maintain data integrity Field Service 6 1 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 pack endures a normal life cycle always observe the following precautions when handling the battery pack e Do not drop the battery pack or subject it to excessive shock and vibration e Do not expose the battery pack to direct sunlight moisture or chemical compounds Do not disassemble the battery pack e Do not use the battery pack to power other devices e Do not short the battery leads or connect the battery with reversed polarity e Never attempt to charge the battery pack in any way other than as described in this manual e Always charge the battery
66. rus detection and removal programs to remove the virus 5 3 5 4 Quitting PC Doctor To exit PC Doctor select the Quit pull down menu and then select the Quit to DOS option N Note For additional information press F1 twice to access the online Refer ence manual for PC Doctor 5 10 Troubleshooting Procedures 6 Field Service 6 1 Introduction This section contains preventive and corrective maintenance procedures for the Extensa 57x Series Notebook Computers The first part of the section describes the computer cleaning procedures and preferred handling procedures for sensitive components e g disk drives batteries The 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 the keyboard and the display screen 6 2 1 Cleaning the Computer When it is necessary to clean the plastic case glidepad 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 use alcohol petroleum based solvents or harsh deter gents to clean your computer Also 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 sc
67. t and Serial Infrared Port All Models of the 57x family include Audio In Out and Microphone In jacks TFT or Dual Scan Color Status LCD Display Display Assembly Removable Hard Disk Drive Power ON OFF Button Full function Keyboard Power Input from AC Adapter Cover Release Latch M Select fee Type IAI Glidepad ue ec ption Mouse Device Floppy Drive or CD ROM or Lithium Ion Battery Pack PCMCIA Type III or two PCMCIA Type I II Options Rear Connector Doors Audio Connectors Figure 1 2 Extensa 57X Series Features 1 4 General Description 1 4 1 External Ports As shown in Figure 1 3 the notebook computer contains the following external ports e Serial Infrared SIR Port for wireless connection with a similarly equipped printer or computer e 9 Pin Serial Port for attaching any RS 232 type serial device to the Notebook e 15 Pin External VGA Monitor Port for attaching an external monitor e 6 Pin PS 2 Port to attach an external Keyboard or Mouse Audio In Out and External Microphone Input Expansion Bus Port for attaching an external expansion system Serial Infrared Port Audio Line In Out Mic In PS 2 Port Connector for External Expansio System External VGA Port Parallel Serial Figure 1 3 Notebook External Ports General Description 1 5 1 4 2 Glidepad Pointing Device All members of the Extensa 57x family feature a built in glidepad pointing device located ne
68. tebook if attached and remove the battery pack s as described in Paragraph 6 5 1 2 Locate the floppy release button Press and hold the button in the direction of the arrow while sliding the floppy drive or other installed device such as CD ROM drive or battery out of the notebook bay C Caution When removing the floppy drive assembly or CD ROM drive assembly grasp it by its sides otherwise damage to the floppy drive can occur 6 8 Field Service The floppy drive assembly can be further disassembled by removing the Phillips head screws from the sides of the floppy drive assembly lifting off the cover and lifting out the floppy drive and cable connector ZIF connector type Unplug the cable at the ZIF connector 6 5 3 Removing Replacing the Hard Drive The procedure for removing and replacing the hard drive assembly is as follows 1 Power down the notebook remove the battery packs and disconnect the AC adapter if installed 2 Disconnect any peripheral device interface cables from the external interface connectors and remove any installed PCMCIA options 3 Locate the HDD release button on the side of the notebook computer press and hold the release button in the direction of the arrow while sliding the HDD assembly out of its bay 4 Replacement is essentially the reverse of Steps 1 through 3 6 5 4 Removing Replacing Dual Inline Memory Modules DIMMs To remove and replace the expansion memory use the fol
69. tem software Operational Notebook Insert the Windows 95 Startup diskette in the Notebook s floppy drive and power up the system Operating Instructions 3 5 Note For additional operating procedures refer to to the Extensa 500 Series N Notebook Computer User s Manual Texas Instruments Part No 9803942 0001 3 6 Operating Instructions 4 Theory of Operation 4 1 Introduction This section describes the notebook theory of operation 4 2 Notebook Functional Description Functionally the notebook computer consists of the following major subsystems Processor and Memory Subsystem e 1 0 Subsystem e Video Subsystem e Hard Disk Subsystem e Floppy Disk Subsystem e CD ROM Subsystem PCMCIA Subsystem e Sound Subsystem e Serial Infrared Subsystem e Power Subsystem A functional block diagram of the Extensa 57x Series Notebook is shown in Figure 4 1 4 2 1 Processor Memory Subsystems The Processor function housed on the Main Board is implemented with the Intel Pentium Processor P54C LM The processor operates in conjunction with RAM and ROM Memory on the Memory Board and other control logic on the Main Board to process software instructions BIOS Windows 95 and Applications Primary control for the Processor Memory subsystem is implemented with the Pentium Chipset Opti Viper 82C556 82C557 The memory subsystem implemented on the Memory Board and optional Dual Inline Memory Modules provides 8
70. th palm rest 2 7 mm travel built in glidepad pointing device and palm rest below the keyboard Built in support for a CD ROM drive 4X or 6X speed e Built in 16 bit stereo sound system including stereo speakers and internal microphone e Removable 3 5 inch 1 44 MB Floppy Drive interchangeable with second Lithium Ion battery or CD ROM option e Choice of LCD displays 10 4 inch Active Matrix TFT SVGA Color LCD or 11 3 inch dual scan SVGA color LCD 1 MB video RAM e Support for internal SVGA LCD display only external SVGA Monitor only or simultaneous SVGA LCD and external SVGA monitor e LCD Status Panel displays icons to indicate when AC adapter is plugged in power savings mode is on battery in use blinks if battery is low floppy drive in use hard disk activity indicator PCMCIA cards installed CD ROM drive activity and keyboard modes e g Num Lock Caps Lock Scroll Lock Pad Lock etc General Description 1 3 e AC Adapter with autosensing 100 VAC to 240 VAC 50 to 60 Hz 36 Watts of DC output power e 8 4 Volt 4200 mAH capacity Nickel Metal Hydride NiMH primary battery pack Provisions for secondary 10 8 Volt Lithium Ion Battery Pack in Floppy Drive cavity if Floppy Drive or CD ROM Player not installed e Power management features for longer portable operation away from AC power e Full range of external ports including EPP ECP Parallel Port Serial Port External VGA Port PS 2 Por
71. ts You can select the type of loopback adapter you want to use e Pass Count selects how many times tests are repeated The highest limit is 9999 times e Test Logging opens the Log Options menu that lets you define how test results are printed or stored to a file during testing By default PC Doctor Diagnostics B 3 PC Doctor produces a test result file at the end of testing if an error was detected e Switch LCD lets you change your video output to either the internal LCD external monitor or SimulSCAN mode If your system does not support SimulSCAN both the external monitor and the built in LCD screen go blank e Cache Control allows you to leave the level 1 and level 2 cache enabled during memory testing This assists in tracking down cache timing issues B 5 3 Interactive Tests Menu Interactive tests are diagnostics that need user interaction to complete Interactive tests include e Keyboard tests the keyboard keys LEDs and repeat rate e Video tests the character sets colors monitor and VGA Speaker tests the volume response at different frequencies Mouse tests the mouse driver buttons and functionality Joystick calibrates the joystick and tests the buttons During the test the joystick s should first be calibrated To calibrate the joystick move the stick to the extremes in each direction PC Doctor registers the coordinate data and adjusts the screen display accordingly Diske
72. tte Drive checks diskette drive functionality e Maximum System Load burn in tests a system This function simulates the operating conditions that are produced by operating systems such as OS 2 and Windows NT Some systems are not compatible with the Maximum system Load test e Printer Test tests for the correct acceptance and execution of common printer control commands Printer test information is stored in printer test files with an extension of PDP e SCSI Test PC Doctor contains SCSI device testing features that work if you have an ASPI or CAM device driver loaded You can select which SCSI host adapter to work with if you have more than one SCSI adapter present CD ROM Test tests CD ROM drives using the Microsoft CD ROM Extensions MSCDEX and the standard CD ROM device drivers B 5 4 Hardware Info Menu This menu contains functions that determine and report on the setup of the computer None of these functions perform diagnostic tests however any errors are included in the reports The following functions are available from the Hardware Info menu e System Configuration lists main system configuration data Memory Contents shows allocation and use of system memory B 4 PC Doctor Diagnostics IRQ and DMA use identifies interrupts for all standard IRQ and DMA devices e Device Drivers shows all essential data on DOS resident and installable device drivers COM and LPT ports displays informatio
73. ure that Notebook is not in Standby mode press Shift to ensure the notebook is not in Auto Suspend mode e All external cabling if any e Check LCD Contrast adjustment Dual Scan version only e Record and attempt to resolve any displayed error messages LED indications refer to Paragraph 5 3 and Table 5 1 Record and attempt to resolve any series of beeps emitted from the notebook indicating test failure refer to Table 5 2 Troubleshooting Procedures 5 1 INDICATION When Power button is pressed no indication DEAD SEE of power is present dark COMPUTER PARAGRAPHS LCD no Status icons lit SYM PONS 5 3 1 amp 5 3 2 no disk drive activity etc NO Press Power button RUN Selftest automatically pe ir SELF TEST runs when power turned on YE ERROR SEE PARAGRAPH MESSAGE 5 9 3 YES MODEM SEE PARAGRAPH PROBLEM 5 3 4 NO RUN DIAGNOSTICS Lu A PC Doctor Figure 5 1 Troubleshooting Flowchart 5 2 Troubleshooting Procedures e Try rebooting the system Ctrl Alt Del restore system from diskettes if necessary e If the computer is capable of running the Setup program check the serial and parallel port configurations and other features that may affect system operation e Run Diagnostics to further isolate problem area refer to Paragraph 5 3 5 For indicated hardware failures cycle power and repeat self test to verify that a hard failure has occurred e Remove and replace suspe
74. when unit displays message Starting Windows 95 press F8 Choose Command Prompt Only from menu Using DOS format a floppy diskette From the A prompt copy the basic MS DOS files to the diskette using the following command Format A F 1440 S Where the value 1440 is the capacity of the diskette 1 44 MB in this example 4 Get into the PC Doctor directory type CD C PCDR and press Enter 5 Copy the PC Doctor files to the bootable diskette using the following command XCOPY C A After completion of this procedure you should have a bootable diskette containing PC Doctor Troubleshooting Procedures 5 9 5 3 5 3 Running PC Doctor PC Doctor is a DOS resident program that can be run from either hard disk or from the bootable diskette you previously created 1 From the C prompt change directory type CD C PCDR and press Enter 2 The Diagnostics Program loads into system memory and the LCD displays the diagnostics Header Note There are a number of command line switches that can be entered when starting up PC Doctor to enable automatic virus scanning enable N loopback testing of serial parallel ports work from the remote menu if per forming remote operations etc To get a listing of the available command line switches startup PC Doctor with the following command PCDR and press Enter N Note If PC Doctor detects a virus it will stop with an error message You must then use one of the standard vi
75. x B that can perform additional levels of diagnostic testing 1 6 Notebook Assemblies and Subassemblies The Extensa Series Notebooks are modular in design and can be disassembled for maintenance purposes using a standard set of flat bladed Phillips head and hexagonal screwdrivers The major assemblies that comprise a typical notebook in the Extensa family are shown in Figure 1 6 and briefly described in the following paragraphs General Description 1 9 Display Assembly p Keyboard Assembly Status LCD Assembly Glidepad Assembly Power Supply Board Drive CD ROM Bay Main Board Display Cable Interface Board Inverter Board Figure 1 6 Notebook Assemblies 1 6 1 Cover Display Assembly The Cover Display Assembly contains the LCD screen and associated high voltage power supply and video circuitry The Cover Display Assembly contains several field replaceable components including e LCD Assembly Inverter Board e Bezel e Hinge Covers Internal cables 1 10 General Description 1 6 2 System Base Assembly As shown in Figure 1 6 the majority of the notebook s field replaceable units FRUs are located in the system base assembly These FRUs include e Main Board Assembly e Hard Disk Drive Assembly e Up to two Dual Inline Memory Modules e LCD Status Assembly e Floppy Drive Module e IR Sound Board Assembly e Power Supply Board Assembly e Battery Pack Assembly e Top Case Assembly e Glidepa

Texas Instruments EXTENSA 570CD User's Manual

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