Related Manuals for Texas Instruments Extensa 51x
Summary of Contents for Texas Instruments Extensa 51x
- Page 1 Maintenance Manual Extensa 51x Series Notebook Computers 9811755-0001 April 1996...
- Page 2 Texas Instruments Incorporated P.O. Box 6102, M/S 3255 Temple, Texas 76503 Extensa is a trademark of Texas Instruments. The icons in the Windows Notebook and Startup Groups are copyrighted by Texas Instruments. Intel and Pentium are registered trademarks of Intel Corporation.
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Page 3: Table Of Contents
Contents Preface 1 General Description 1.1 ..Introduction ....... 1-1 1.2 . - Page 4 2.5.2 . . . Installing External Parallel Printer ... . 2-7 2.5.3 . . . Installing External Serial Port Device ..2-8 2.5.4 .
- Page 5 4.2.3 . . . Video Subsystem ......4-4 4.2.4 . . . Hard Disk Subsystem ..... 4-5 4.2.5 .
- Page 6 6.5.8 . . . Removing and Replacing the Display Assembly . . 6-13 6.5.9 . . . Removing and Replacing the Inverter Board ..or Contrast Board ......6-13 6.5.10 .
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Page 7: General Description
Preface Introduction This manual provides installation, operation and servicing data for the Extensa 51x 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 multiple reference appendices including: Section 1: General Description —... - Page 8 Other Manuals About the System The following documents provide additional information related to the Extensa 51x Series: Extensa Series Notebook Computer User’s Reference Manual contains reference information regarding the Extensa Series Notebook Computer software including the TI custom utilities. ® Windows 95 Help (online) PC-Doctor Help and Technical Reference (online)
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Page 9: Product Models
General Description Introduction This manual contains field and factory level servicing information for the Texas Instruments Extensa 51x Series of Notebook Computers (Figure 1-1). This section provides a general overview and specifications for the Extensa 51x Series Notebook Computers. Figure1-1 Extensa 51x Series Notebook Computer... -
Page 10: International Product Versions
Table 1-1 Extensa 51x Series Notebook Computers Model 510 Model 515 Windows 95 Plus Microsoft U.S. Version Works, Quicken SE, Lotus Windows 95 or Windows Organizer, and Microsoft for Workgroups Entertainment Pack Non U.S. Versions Windows 95 International Product Versions The Extensa 51x Series Notebooks are available in one of 15 domestic and international configurations as listed in Table 1-2. - Page 11 540 or 810 Million Byte Hard Drive (user replaceable) Support for two PCMCIA Type I or II options or one Type III PCMCIA option card Ergonomic keyboard with palm rest (2.7 mm travel); built-in touchpad pointing device Most standard external device interfaces including serial, parallel, PS/2 ®...
- Page 12 Cover Release Button Five Status LEDs Primary Battery Pack (Accessible from Right Side) Standby/Suspend Button Speaker Setup Touchpad Button Pointing Device Power On/Off Button Touchpad Type I /11 or III Select Buttons PCMCIA Slot Hard Drive (Accessible from Underneath) Hard Drive Cover HDD Release Audio Line/Mic...
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Page 13: External Ports
1.4.1 External Ports As shown in Figure 1-3, the notebook computer contains the following external ports: 9-Pin Serial Port for attaching any RS-232 type serial device to the Notebook 25-Pin Parallel Port for attaching bidirectional parallel devices Audio Line-In, Line-Out, and Microphone-In 15-Pin External VGA Monitor Port for attaching an external monitor 6-Pin PS/2 Port to attach an external Keyboard or Mouse AC Adapter Connector for attaching the AC Adapter to the notebook... -
Page 14: Touchpad Pointing Device
1.4.2 Touchpad Pointing Device All members of the Extensa family feature a built-in touchpad pointing device located near the center of the keyboard palmrest. With light pressure, the cursor can quickly be positioned to the desired point; a quick double tap on the touchpad and you have selected an object. - Page 15 "Inverted T" Cursor Control Key layout The notebook keyboard is available in the following versions: U.S. English Keyboard, TI Part No. 9811398-0001- This version (also known as the domestic version) is generally used in the United States and Canada. International versions include: United Kingdom Keyboard, TI Part No.
- Page 16 F 1 1 F 1 2 E sc PgDn P g D n Delet e Inser t Pause Break NumLock PrtSc SysRq ScrLock & Ca ps Enter Lock Shift Shift E n d H o m e C tr l Figure1-5 Extensa Keyboard 1.4.3.1 Controls and Indicators...
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Page 17: Standard Power Features
C a p s Lock Scroll Lock N u m Lock Status Hard Drive Activity LEDs Sleep M o d e Touchpad Pointing Device Standby/Suspend Button Setup Button Charging Power Touchpad Select Buttons Power On/Off Button Figure1-6 Extensa Series Controls and Indicators 1.4.4 Standard Power Features Notebook power for the Extensa 51x Series Notebook Computers is provided... -
Page 18: Notebook Expansion Capabilities
Microsoft Works Quicken SE Lotus Organizer Microsoft Entertainment Pack No. 4 1.4.6 Notebook Expansion Capabilities Expansion capabilities built into the Extensa notebook series include: User installable expansion RAM memory (to a maximum of 40 MB); notebook accepts either fastpage mode or EDO RAM modules. A Cable-Connect PS/2 Numeric Keypad option, TI Part No. -
Page 19: Cover-Display Assembly
Memory Expansion Floppy Drive Sockets Assembly Charger/Power Supply Board Display Assembly Speaker Assembly LED/Switch Top Case Board Assembly Assembly To uc hPa d Assembly Main Battery Board Pentium Board Assembly Hard Drive Assembly Hard Drive Hard Drive C o v e r O uter C ov er Battery End Co ve r... -
Page 20: System Base Assembly
The Display Assembly attaches to the System Base Assembly through four top mounted screws. 1.6.2 System Base Assembly As shown in Figure 1-7, the majority of the notebook’s field-replaceable units (FRUs) are located in the system base assembly. These FRUs include: Main Board Assembly Hard Disk Drive Assembly Up to two Dual Inline Memory Modules... - Page 21 Table 1-3 Extensa 51x Notebook Features Specifications Model 510 Model 515 Memory: Standard: 8 MB 8 MB Maximum 40 MB 40 MB Display LCD Type: 10.4" Dual Scan Color 10.4" Dual Scan Color Simultaneous LCD/Ext. Video RAM Size: 1 MB 1 MB Video Bus VLBUS with Graphics Accelerator...
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Page 22: Agency Approvals
Agency Approvals All Extensa 51x Series products meet the following standards: Underwriter’s Lab (UL) Standard 1950 (safety) Underwriter’s Lab (UL), CN Listed (C22.2 No. 950) (safety) EN60950, TUV Rheinland (safety) FCC CFR 47, Part 15, Subpart J, FCC Level B (EMI/RFI ) Canadian Department of Communications (DOC) ICES Class B (EMI/RFI) CISPR-22/EN55022 Class B (EMI/RFI) -
Page 23: Installation
Installation Introduction This section contains unpacking and preparation for use instructions for the Extensa 51x Series Notebook Computers. Unpacking Instructions The packaging diagram for the notebook computer is shown in Figure 2-1. 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. - Page 24 Release the Keyboard by pulling the keyboard release tabs forward (tabs are located underneath the Ctrl and right arrow keys). Disengage the Keyboard using a straight blade screwdriver and gently lifting up along the front edge of the keyboard. Using the back edge of the keyboard as a hinge, lift the front edge of the keyboard up and lay it against the display.
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Page 25: Installing Pcmcia Options
2.3.2 Installing PCMCIA Options The Notebook has provisions for two Type I/Type II or one Type III PCMCIA option card. Use the following procedure to install a PCMCIA option: Review the installation instructions supplied with the PCMCIA option card(s). Open the PCMCIA compartment cover on the left side of the notebook. To insert a PCMCIA card, align the card with the socket and slide the card into the socket until it locks into place. -
Page 26: Installing The Optional Numeric Keypad
2.3.3 Installing the Optional Numeric Keypad An optional numeric keyboard can be attached to the notebook via the notebook PS/2 connector as shown in Figure 2-3. External PS/2 Port (Mouse/Keyboard Port) External Numeric Keypad Option Figure 2-3 Installing the Numeric Keypad option Installing the Battery Pack(s) The standard configuration of the Extensa Notebook is equipped with a single battery pack that is inserted from the front right side of the computer. -
Page 27: Installing External Devices
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. Installing External Devices Most external devices connect to the Notebook via the connectors on the rear of the notebook (refer to Figure 2-4 for port assignments). -
Page 28: Installing An External Keyboard/Mouse
2.5.1 Installing an External Keyboard/Mouse As shown in Figure 2-5, the notebook has provisions for two external PS/2 compatible devices (keyboard, mouse, etc.) that may be attached to the notebook. The pinouts for the 6-pin Mini-DIN connectors are also provided in Figure 2-6. -
Page 29: Installing External Parallel Printer
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 2-6. If you will be using a parallel interface, connect the 25-pin male connector of your printer cable to the 25-pin female parallel port on your notebook. -
Page 30: Installing External Serial Port Device
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 2-7. The serial ports are used to interconnect such devices External Modem 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. -
Page 31: Installing External Vga Monitor
2.5.4 Installing External VGA Monitor The notebook is capable of driving both its internal LCD display and an external VGA monitor (LCD only, simultaneous, or VGA only). The external monitor connector pinouts and connector locations are shown in Figure 2-8. To install an external monitor with the notebook, use the following steps: Ensure that both the notebook and the external monitor are turned off. -
Page 32: Installing External Microphone
2.5.5 Installing External Microphone An external microphone can be attached to the notebook using the leftmost audio connector (when viewed from the rear of the notebook). When the external microphone is installed and the unit powered up, the internal microphone is disabled. 2.5.6 Installing External Audio Input Devices The middle audio jack on the rear of the notebook allows you to connect an... -
Page 33: Initial System Checkout
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 (I) position which initiates the notebook self test. During self test execution, the computer checks the operation of all key hardware including memory and CPU (and displays copyright and version number data during test execution). -
Page 34: Operating Instructions
Operating Instructions Introduction The first two subsections describe the Extensa 51x Series Notebook operating controls and indicators. The remainder of this section contains a summary of computer operations related to notebook maintenance including how to restore system software. Note: For additional operating instructions, refer to the Extensa Series Notebook Computer Users Guide. -
Page 35: Button Switches
C a p s Lock Scroll Lock N u m Lock Status Hard Drive Activity LEDs Sleep M o d e Touchpad Pointing Device Standby/Suspend Button Setup Button Charging Power Touchpad Select Buttons Power On/Off Button Figure 3-1 Extensa Series Controls and Indicators 3.2.1 Button Switches The notebook contains two button switches above the keyboard including:... -
Page 36: Touchpad Controls
3.2.3 Touchpad Controls The Extensa 51x Series Notebook Computers are equipped with a built-in mouse device called "the Touchpad" physically located at the bottom 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. -
Page 37: Installing/Removing Pcmcia Options
Insert the floppy into the floppy drive slot with the label side up and the metal-shutter end first. Gently push the floppy into the floppy drive slot until the floppy clicks into place. To remove a floppy, press the eject button until the floppy pops out. Never force open the access shutter on a floppy. -
Page 38: Responding To Low Battery Conditions
3.3.4 Responding to Low Battery Conditions The computer generally will notify you when you are reaching a low battery condition by the following actions: Four short beeps per minute (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. -
Page 39: Restoring Missing System Files
3.3.7 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 Windows 95 Startup diskette and reboot the system. -
Page 40: Theory Of Operation
Theory of Operation Introduction This section describes the notebook theory of operation. Notebook Functional Description Functionally, the notebook computer consists of the following major subsystems: Processor and Memory Subsystem I/O Subsystem Video Subsystem Hard Disk Subsystem Floppy Disk Subsystem PCMCIA Subsystem Power Subsystem A functional block diagram of the Extensa Notebook is shown in Figure 4-1. -
Page 41: Main Board
PCMCIA Option Slot(s) PCMCIA Adapter SD BUS Drivers/ State Machine RS-232 Receivers & Glue Logic Serial Port Intel System 100 MHz XD BUS Controller Pentium Processor Internal Floppy Drive Super I/O MAIN BOARD M e mo ry Controller SYSTEM & Board VGA BIOS Internal Hard Drive... -
Page 42: I/O Subsystem
4.2.2 I/O Subsystem The I/O subsystem, implemented with an NS87334 VJG Super I/O Controller Chip, provides for such functions as internal Hard Drive control, floppy drive control, and serial and parallel ports. The Super I/O Controller includes the following features: 100 percent compatible with ISA, EISA, and Micro-channel architectures Built-in Floppy Disk Controller Software compatible with the DP8473, the 765A and N82077... -
Page 43: Video Subsystem
Integral address decoder - provides selection of all primary and secondary ISA addresses including COM1-4 and LPT1-3. Enhanced Power Management Function Special configuration registers for power down Enhanced programmable power-down and wake-up modes Auto power-down and wake-up modes 3 special pins for power management Typical current consumption during power-down is less than 10A 4.2.3 Video Subsystem... -
Page 44: Hard Disk Subsystem
The Extensa 51x Series Notebooks are equipped with either a 540 or 810 million byte drive. During the manufacturing process, Texas Instruments formats the hard disk and then loads all supplied software including Windows 95. -
Page 45: Pcmcia Subsystem
4.2.6 PCMCIA Subsystem The notebook is equipped with an on-board PCMCIA host adapter PCMCIA Controller) and sockets to support Type I, Type II or Type III options. The PCMCIA Controller has the following features: Single-chip PCMCIA host adapters Direct connection to ISA (PC AT) Bus Direct connection to PCMCIA 2.0 Bus PCMCIA 2.0- and JEIDA 4.1-compliant 82365SL-compatible register set, ExCA-compatible... -
Page 46: Power Management
4.2.7.1 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. The power management modes and warnings include the following: LCD standby mode Hard disk standby mode System standby/suspend mode... - Page 47 Table 4-4 Primary Battery Pack Specifications Function Specifications Battery type NiMH (Nickel Metal-Hydride) Cell structure 9 cells per pack (in series) Nominal voltage 10.8 V Cell energy capacity 2400 mAH Typical 2500 mAH Minimum 2330 mAH Nominal rated capacity 27 Watt-hours Operating Temperature Discharge -20 to 50°C (at 95%RH)
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Page 48: Troubleshooting Procedures
Troubleshooting Procedures General This section provides the following information: Overview of the fault isolation process Guidelines for isolating computer malfunctions to replaceable subassemblies Instructions for executing diagnostics and interpreting error messages Overview of Fault Isolation Process The fault isolation process (summarized in Figure 5-1) consists of the following: Quick Check of the following: Notebook power system (including battery packs and AC Adapter... -
Page 49: Troubleshooting
START COMPUTER TROUBLE INDICATION Y E S WHEN POWER SWITCH DEAD SET TO ON,, NO COMPUTER PARAGRAPHS INDICATION OF POWER; SYMPTOMS 5.3.1 & 5.3.2 SCREEN DARK, STATUS LED's EXTINGUISHED SET POWER SWITCH TO ON. SELFTEST SELF TEST AUTOMATICALLY RUNS Y E S ERROR SEE PARAGRAPH MESSAGE... -
Page 50: Troubleshooting Procedures
Try rebooting the system (Ctrl-Alt-Del); restore system from diskettes, if necessary. 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. Run Diagnostics to further isolate problem area (refer to Paragraph 5.3.5). - Page 51 Measure the voltage at the AC Outlet or plug in a known good appliance (EG. a lamp) to verify that voltage is present. If the voltage is OK, try replacing the AC Adapter Check to see that the battery pack is installed correctly (try using a recharged battery pack if battery is discharged).
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Page 52: Troubleshooting A Display Problem
5.3.2 Troubleshooting a Display Problem If the LCD remains blank when you turn on the computer, and the status indicators light, check the following controls on the display (refer to Figure 3-1): LCD Standby mode - If the LCD backlight remains off, even with the Brightness and Contrast Controls set to their highest positions (refer to Section 3), the LCD may be in Standby Mode. -
Page 53: Fault Isolation Using Diagnostics
Faulty phone line - Connect a telephone to the line and listen for a dial tone. Software program - Check to ensure that you have installed the software correctly. 5.3.5 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,... - Page 54 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.
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Page 55: Supporting Online Documentation
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) 5.3.5.2 Supporting Online Documentation The PC-Doctor Diagnostic contains the following online information sources:... - Page 56 5.3.5.3 Creating a Bootable Floppy Diskette Prior to using PC-Doctor, create a bootable floppy diskette using the following procedure: Power up the unit; 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...
- Page 57 Note: If PC-Doctor detects a virus, it will stop with an error message. You must then use one of the standard virus detection and removal programs to remove the virus. 5.3.5.5 Quitting PC-Doctor To exit PC-Doctor, select the Quit pull down menu and then select the Quit to DOS option.
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Page 58: Field Service
Field Service Introduction This section contains preventive and corrective maintenance procedures for the Extensa 51x 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;... -
Page 59: Protecting The Disk Drives
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. -
Page 60: Required Tools And Equipment
Required Tools and Equipment All notebook computer corrective maintenance procedures can be performed using the following tools: Tweezers Small flat-blade screwdriver Small Phillips screwdriver Hexagonal Screwdriver Plastic Stick Conductive mat/wrist or ankle grounding strap system for electrostatic voltage protection. Caution: All boards, options and peripherals contain components that are sensitive to static electricity. - Page 61 LCD Assembly LCD Cover Power Inverter Board Contrast Board Bezel (Removed for Clarity) Figure 6-1 Cover-Display Assembly FRUs Table 6-1 Cover-Display Assembly, Field-Replaceable Units (FRUs) FRU Description TI Part No. Reference Paragraph Inverter Board, DSSTN 10.4" 9811361-0001 6.5.9 Display Assembly, 10.4" DSSTN 50X, 51X 9811363-0001 6.5.9 Bezel Assembly, DSSTN 10.4", W/O label...
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Page 62: System Base Assembly
FRU Description TI Part No. Reference Paragraph Cable Assembly, Inverter (12P) 9811386-0001 6.5.8 LCD Cover, DSSTN, 10.4 inch 9811372 6.5.8 6.4.2 System Base Assembly As shown in Figure 6-2, the System Base Assembly houses a variety of field-replaceable subassemblies and components. The FRUs and paragraph references for removal/replacement procedures are listed in Table 6-2. - Page 63 FRU Description TI Part No. Reference Paragraph Keyboard Assembly, SWD, EXT50x/51x 9811398-0010 6.5.2 Keyboard Assembly, DEN, EXT50x/51x 9811398-0012 6.5.2 Keyboard Assembly, NOR, EXT50x/51x 9811398-0013 6.5.2 Keyboard Assembly, BELG, EXT50x/51x 9811398-0014 6.5.2 Keyboard Assembly, FIN, EXT50x/51x 9811398-0015 6.5.2 FDD Cable 9811366-0001 6.5.5 HDD Cable 9811365-0001...
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Page 64: Notebook Subassembly Removal And
Table 6-3 Notebook CRUs (Customer-Replaceable Units) CRU Description TI Part No. Reference Paragraph AC Adapter Assembly 9803931-0001 Sec. 2 Internal Battery Pack, Ni-MH 9803928-0001 6.5.1 4 MB RAM SIMM 9803932-0001 6.5.7 8 MB RAM SIMM 9803950-0001 6.5.7 16B RAM SIMM 9803933-0001 6.5.7 Door, PCMCIA... -
Page 65: Removing/Replacing The Keyboard Assembly
Grasp the ribbon loop on the battery and pull the battery out of the compartment. When replacing the battery, insert the end opposite the ribbon loop with the battery notches pointing upward. Slide the battery into the compartment and replace the battery door. 6.5.2 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as... -
Page 66: Removing/Replacing The Heat Sink
Slide Keyboard Release Tabs toward front of notebook. Using a small flat blade screwdriver, gently pry keyboard up along the front edge. Remove ZIF Cables from Main Board Figure 6-2 Removing/Replacing the Keyboard 6.5.3 Removing/Replacing the Heat Sink To remove and replace the heat sink, perform the following procedure: Disconnect the AC adapter from the Notebook. -
Page 67: Opening/Replacing The Upper Case Assembly
Release keyboard assembly and tilt up against Display. Remove set of four screws holding heat sink Heat Sink Assembly Figure 6-3 Removing/Replacing the Heat Sink Assembly 6.5.4 Opening/Replacing the Upper Case Assembly To remove/replace the Top Case Assembly, perform the following procedure: Remove the AC Adapter, battery pack, any installed PCMCIA options, the Keyboard Assembly and Heat Sink Assembly as described in Paragraphs 6.5.1 through 6.5.3... -
Page 68: Removing/Replacing The Floppy Disk Assembly
Using a plastic stick, unlock the ZIF connector located near the Touchpad and remove the cable from the connector. Also, remove the 2-connector speaker cable from the Main Board Connector. Remove the cable cover below the display by lifting upward on the front edge of the cover. - Page 69 Turn the computer over so that the Hard Drive panel is on your right side. Press down on the two cover release tabs and slide to the left; lift up on the drive door and remove from the notebook. Remove the two screws near the drive connector cable. Insert a small blade straight slot screwdriver into the recess in the plastics near the front edge of the metal cover and gently move the drive back;...
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Page 70: Removing/Replacing Dimm Modules
6.5.7 Removing/Replacing DIMM Modules To remove and replace DIMM memory modules, use the following procedure: Loosen the keyboard assembly (but do not disconnect keyboard cables) as described in Steps 1 through 4 of Paragraph 6.5.2. Using the back edge of the keyboard as a hinge, lift the front edge of the keyboard up and lay it against the LCD assembly. -
Page 71: Removing/Replacing The Touchpad Assembly
Caution: If the notebook is powered up with the LCD bezel removed, you can be exposed to high voltages which could result in shock and equipment damage. Ensure that the batteries and AC adapter are re- moved from the notebook when working on the LCD/Display assembly. Use a narrow piece of plastic or pointed tweezers to apply light pressure to one edge of the lower screw covers. -
Page 72: Removing/Replacing The Smart Battery Board
6.5.11 Removing/Replacing the Smart Battery Board Control Board To remove and replace the Smart Battery Control Board, perform the following procedure: Remove the Upper Case Assembly as described in Paragraph 6.5.4. Disconnect the battery cable located next to HDD Connector. Remove the two screws that secure the board to the plastics and remove the board. -
Page 73: Removing/Replacing The Pentium Chip
Using a small flat blade screwdriver and apply light pressure in a rocking motion to remove the hard drive cable connector. Remove four Phillips-head screws (one on each of the four sides of the heat sink opening) securing the board to the base assembly. Do not remove the smaller screws which are part of the PCMCIA connector hardware. - Page 74 Gently pry to the left (with pin 1 alignment at the bottom right as shown in Figure 6-6). Gently remove the chip from the socket. To install a chip into a vacant CPU socket, insert a flat blade screwdriver into the opening at the right side of the processor socket (refer to Figure 6-6) and pry to the left to unlock socket.
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Page 75: Self Test Error Messages
Self Test Error Messages 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 Board CMOS Checksum Error Cycle power to Notebook; if problem persists, remove and re- place Main Board. - Page 76 Error Message Corrective Action Keyboard Interface Error Cycle Power to Notebook. If problem persists, replace keyboard; if problem persists, replace Main Board. Memory Size Mismatch Enter and then exit the System Configuration Setup in the Setup utility. Missing operating system Correct the HDD type and reboot.
- Page 77 Checkpoint Description Normal POST start Programmable Interval Timer test in-progress or failure DMA page register write/read test in-progress or fail RAM refresh verification in-progress or failure 1st 64K RAM test in-progress 1st 64K RAM chip or data line failure - multi-bit 1st 64K RAM odd/even logic failure 1st 64K RAM address line failure 1st 64K RAM parity test in-progress or failure...
- Page 78 Checkpoint Description Normal POST start Interval timer channel 2 test in-progress or failure Time-Of-Day clock test in-progress or failure Serial port test test in-progress or failure Parallel port test test in-progress or failure Math Coprocessor test in-progress or failure Initial M1429 Dynamic Memory Configuration &...
- Page 79 Checkpoint Description Normal POST start Begin to configures PCI VGA devices Allocate Space for option ROM Error Messages A-5...
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Page 80: Pc-Doctor Diagnostics
PC-Doctor Diagnostics 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, benchmark its performance, analyze the performance of all subsystems, and perform a suite of interactive and non-interactive tests on attached devices (such as printers, joystick devices, VGA monitors, SCSI devices, CD-ROM drives). -
Page 81: Mouse Navigation
Mouse Navigation You can use a mouse to navigate through PC-Doctor (alternately use the arrow keys from the keyboard). 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. -
Page 82: Interactive Tests Menu
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: – 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). -
Page 83: Hardware Info Menu
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. SCSI Test - PC-Doctor contains SCSI device testing features that work if you have an ASPI or CAM device driver loaded. -
Page 84: Quitting Pc-Doctor
Edit CMOS RAM - gives access to CMOS RAM data File Editor - allows editing of configuration files Surface Scan Hard Disk - checks for defects on the hard disk Benchmark System - measures system performance 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,... - Page 85 Printed in U.S.A.