Symptom / Error FRU / Action in Sequence
601, 6XX
(601: Diskette drive or
controller error.)
1. Go to “Diskette Drive
Checkout” on
page 420.
2. Diskettedrive
3. Diskette
4. Systemboard
602
(Diskette read error.) 1. Go to “Diskette Drive
Checkout” on
page 420.
2. Diskette
3. Diskettedrive
604
(Unacceptable ID was read
from the diskette drive.)
1. Go to “Diskette Drive
Checkout” on
page 420.
2. Diskettedrive
3. Systemboard
11XX
1101: Serial_A test failure. 1. Serial device
2. Communicationcable
3. Systemboard
17XX
1701: Harddisk
controller failure.
1780,1790: Hard disk
0 error.
1781,1791: Hard disk
1 error.
1. Hard disk drive
2. Systemboard
24XX
(2401: System board video
error.)
1.System board
2. Videocard
808X
8081: Presencetest
failure. (PCMCIA
revision number also
checked.)
8082: PCMCIAregister
test failure.
1.PCMCIA slot
assembly
2. PCMCIAdevice
3. Systemboard
860X
(Pointing device error when
TrackPoint III is disabled.)
8601: Systembus
error—8042 mouse
interface.
8602: Externalmouse
error.
8603: System bus or
mouse error.
1.External mouse
2. Externalkeyboard
3. Systemboard
ThinkPad 765D (9546), 765L (9547) 435