Maintenance and Service Guide
Table Of Contents
- Contents
- Introduction
- Product Information
- Removal and Replacement
- Disassembly Flowchart
- Removing the Battery
- Removing an SDRAM Module
- Removing the Wireless LAN Mini PCI Card
- Removing the Hard Disk Drive
- Recovering the Factory Software
- Replacing Small Parts
- Removing the Keyboard Cover
- Removing the Speaker Assembly
- Removing the Keyboard
- Removing the Switchboard PCA
- Removing the CD/DVD Drive
- Removing the Display Assembly
- Removing the Top Case
- Removing the Floppy Drive
- Removing the Infrared (I/R) PCA
- Removing the Audio PCA
- Removing the Heat Sink (with Fan)
- Removing the CPU Module
- Removing the RJ11/1394 Connector Module
- Removing the Motherboard
- Replacing Components on a Bottom Case
- Repairing the BIOS IC
- Removing Other Components
- Troubleshooting and Diagnostics
- Replaceable Parts
- Reference Information

3-30 Troubleshooting and Diagnostics Service Manual
Message Description
Press <F1> to resume, <F2>
to Setup, <F3> for previous
Displayed after any recoverable error message Press <F1> to start the boot
process or <F2> to enter BIOS Setup and change the settings Press <F3> to
display the previous screen (usually an initialization error of an Option ROM,
such as an add-on card) Write down and follow the information shown on the
screen
Press <F2> to enter Setup
Optional message displayed during POST
PS/2 Mouse
PS/2 mouse identified
System BIOS shadowed
System BIOS copied to shadow RAM
UMB upper limit segment
address: nnnn
Displays the address nnnn of the upper limit of Upper Memory Blocks (UMB),
indicating released segments of the BIOS that can be reclaimed by a virtual
memory manager
Video BIOS shadowed
Video BIOS copied to shadow RAM