Symptom / Error FRU / Action in Sequence
602
(Diskette read error.) 1. Go to “Diskette Drive
Checkout” on
page 529.
2. Diskette
3. Diskettedrive
604
(An unacceptable ID was
read from the diskette
drive.)
1. Go to “Diskette Drive
Checkout” on
page 529.
2. Diskettedrive
3. Systemboard
11XX
1101: Serial_A test failure. 1. Serial device
2. Communicationcable
3. Systemboard
17XX
1701: Hard disk 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: Presence test failure.
(PCMCIA revision number
also checked.)
8082: PCMCIA register test
failure.
1.PCMCIA slot
assembly
2. PCMCIAdevice
3. Systemboard
4. PC Card in docking
station/PC Card
enabler
860X
(Pointing device error when
TrackPoint III is disabled.)
8601: System bus
error—8042 mouse
interface.
8602: External mouse error.
8603: System bus or mouse
error.
1.External mouse
2. Externalkeyboard
3. Systemboard
861X
(Pointing device error when
TrackPoint III is enabled.)
8611: System bus
error—I/F between 8042
and IPDC.
8612: TrackPoint error.
8613: System board or
TrackPoint error.
1. Reseat the keyboard
connector on the
video card.
2. Reseat the TrackPoint
III cable on the
keyboard card.
3. Keyboard
4. Externalmouse
5. Videocard
6. Systemboard
ThinkPad 770 (9548, 9549) 545