IBM 600/600E (2645) ThinkPad 600 55

Symptom-to-FRU Index
Symptom / Error FRU / Action in Sequence
1XX 1. System board
2XX
201: Memory data
error.
202: Memory line error
00–15.
203: Memory line error
16–23.
205: Memory test
failure on on-board
memory.
221: ROM to RAM
remap error.
1. Go to “Memory
Checkout” on
page 33.
2. DIMM card
3. System board
225
(Unsupported memory
module.)
1. Check if the
supported DIMM is
installed.
2. DIMM card
3. System board
301, 303, 304, 305, 3XX
(301: Keyboard error.) 1. Go to “Keyboard or Auxiliary Input
Device Checkout” on
page 32.
2. Keyboard
3. External numeric
keypad
4. External keyboard
5. Keyboard/mouse cable
6. System board
601, 6XX
(601: Diskette drive or
controller error.)
1. Go to “Diskette Drive
Checkout” on
page 31.
2. Diskette drive
assembly
3. Diskette
4. System board
602
(Diskette read error.) 1. Go to “Diskette Drive Checkout” on
page 31.
2. Diskette
3. Diskette drive
assembly
604
(Unacceptable ID was read
from the diskette drive.)
1. Go to “Diskette Drive
Checkout” on
page 31.
2. Diskette drive
assembly
3. System board
2402 1. TV Out Card
24XX
(2401: System board video
error.)
1. System board
ThinkPad 600 55