IBM 770 Hardware Manual
SYMPTOM-TO-FRU INDEX
Symptom / Error
FRU / Action in Sequence
860X
(A pointing device error
when the TrackPoint is
disabled.)
(A pointing device error
when the TrackPoint is
disabled.)
8601: System bus
error–8042 mouse
interface.
error–8042 mouse
interface.
8602: External mouse
error.
error.
8603: System bus
error or mouse error.
error or mouse error.
1. External mouse
2. External keyboard
3. System board
4. DC-DC card
2. External keyboard
3. System board
4. DC-DC card
861X
(Pointing device error when
TrackPoint III is enabled.)
(Pointing device error when
TrackPoint III is enabled.)
8611: System bus
error–I/F between 8042
and IPDC.
error–I/F between 8042
and IPDC.
8612: TrackPoint error.
8613: System board or
TrackPoint error.
8613: System board or
TrackPoint error.
1. Reseat the keyboard
cable on the video
card.
card.
2. Keyboard
3. External mouse
4. Video card
5. System board
6. Video card
3. External mouse
4. Video card
5. System board
6. Video card
I9990301
I9990302
I9990305
I9990302
I9990305
I9990301: Hard disk
error.
error.
I9990302: Invalid hard
disk boot record.
disk boot record.
I9990305: No bootable
device.
device.
1. Check that the
operating system is
installed in the hard
disk drive. If not,
install the operating
system.
installed in the hard
disk drive. If not,
install the operating
system.
2. Reseat the boot
device.
3. Check the startup
sequence for the
correct boot device.
correct boot device.
4. Check that the
operating system has
no failure and is
installed correctly.
no failure and is
installed correctly.
I9990303
(Bank–2 flash ROM check
sum error.)
(Bank–2 flash ROM check
sum error.)
1. System board
Other codes not listed
above.
above.
Go to “Undetermined
Problems” on page 66.
Problems” on page 66.
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