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Symptom / Error FRU / Action in Sequence
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
24XX
(2401: System board video
error.)
1. System Board
808X
8081: PCMCIA
presence test failure.
(PCMCIA revision
number also checked.)
8082: PCMCIA register
test failure.
1. PCMCIA Slot
Assembly
2. PCMCIA Device
3. System Board
860X
(Pointing device error when
TrackPoint III 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
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
cable on the system
board.
2. Keyboard
3. External Mouse
4. System Board
I9990301
I9990302
I9990305
I9990301: Hard disk
error.
I9990302: Invalid hard
disk boot record.
I9990305: No bootable
device.
1. Check that the
operating system is
installed in the HDD.
If not, install the
operating system.
2. Reseat the boot
device.
3. Check the startup
sequence for the
correct boot device.
4. Check that the
operating system has
no failure and is
installed correctly.
I9990303
(Bank–2 flash ROM check
sum error.)
1. System Board
282 IBM Mobile Systems - ThinkPad HMM Volume 3