FRU Codes: If an error is detected by the diagnostic
tests, a four-digit FRU code is displayed. The FRU code
indicates two suspected FRUs. Replace the FRU that is
indicated by the
two leftmost digits
first; then replace the
FRU that indicated by the
two rightmost digits.
No FRU
is assigned to code 00. If only one FRU is suspected, the
other FRU code is filled with zeros. See the reference
page before replacing the FRU.
Icon Device
ID
Suspected Device
103 IR
150 Audio (ESS)
FRU Code FRU
10 System board
11 CPU card
15 ESS card
16 DSP card
17 Front IR unit
18 Rear IR unit
20 Memory (see “Memory Checkout” on
page 416)
30 Reserved
32 External keyboard
33 External mouse
40 LCD assembly
42 Video card
45 External CRT
50 1. Reseat the diskette drive (FDD-1).
2. Reseat the external FDD cable on the
video card.
3. Diskette drive (FDD-1)
51 1. Reseat the diskette drive (FDD-2).
2. Reseat the external FDD cable on the
video card.
3. Diskette drive (FDD-2)
60 1. Reseat the hard disk drive (HDD-1).
2. Hard disk drive (HDD-1)
61 1. Reseat the hard disk drive (HDD-3).
2. Hard disk drive (HDD-3)
62 1. Reseat the hard disk drive in UltraBay
(HDD-2).
2. Hard disk drive in UltraBay (HDD-2)
438 IBM Mobile Systems HMM
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