Laptop User Manual
Table Of Contents
- Read This First
- Product Overview
- Checkout Guide
- Optional Device Checkout
- Power Management Features
- Symptom-to-FRU Index
- Running the Diagnostics
- Related Service Procedures
- FRU Removals and Replacements
- Important Notice
- FRU Service Procedures
- Removal Reference
- 1010 DIMM Card and Backup Battery
- 1020 Battery Pack
- 1030 Hard Disk Drive
- 1040 Keyboard Unit
- 1050 Keyboard and Speakers
- 1060 Diskette Drive Assembly or CD-ROM Assembly
- 1070 Diskette Drive and CD-ROM Drive
- 1080 LCD Unit
- 1090 Fan Assembly, CPU Card, and Thermal Rubber
- 1100 Upper Shield Case
- 1110 Box Speaker and Microphone
- 1120 DC/DC Card
- 1130 System Board and PC Card Slot
- 1140 Battery Pack Latch
- 2010 LCD Front Cover
- 2020 LCD Inverter Card
- 2030 LCD Panel
- 2040 LCD Misc. Parts
- 2050 LCD Cable
- 3010 ThinkPad Port Replicator with Advanced EtherJet Feature
- Locations
- Parts List
- Notices

Symptom / Error FRU / Action in Sequence
601, 6XX
(601: Diskette drive or
controller error.)
1. Go to “Diskette Drive
Checkout” on
page 10.
2. CD-ROM and FDD
assembly
3. Diskette
4. System board
602
(Diskette read error.)
1. Go to “Diskette Drive
Checkout” on
page 10.
2. Diskette
3. CD-ROM and FDD
assembly
604
(An unacceptable ID was
read from the diskette
drive.)
1. Go to “Diskette Drive
Checkout” on
page 10.
2. CD-ROM and FDD
assembly
3. System board
11XX
1101: Serial_A test failure.
1. Serial device
2. Communication cable
3. System board
12XX
1201: Serial_B test failure.
1. System board
(infrared)
17XX
1701: Hard disk
controller failure.
1780, 1790: Hard disk
0 error.
1781, 1791: Hard disk
1 error.
1. Hard disk drive
2. System board
1801
(Unsupported Port
Replicator)
An unsupported Port
Replicator is attached to the
computer.
24XX
(2401: System board video
error.)
System board
808X
8081: PCMCIA
presence test failure.
(PCMCIA revision
number also checked.)
8082: PCMCIA
registration test failure.
1. PC Card slot
assembly
2. PCMCIA device
3. System board
860X
(Pointing device error when
the TrackPoint is disabled.)
8601: System bus
error–8042 mouse
interface.
8602: External mouse
error.
8603: System bus
error or mouse error.
1. External mouse
2. External keyboard
3. System board
26










