Symptom-to-FRU Index for the computer you are servicing.
Then dock the computer on the Dock II to check if any
FRU codes appear. Use the table below.
If the problem remains after the FRUs are replaced, go to
“Undetermined Problems” on page 421.
FRU Code FRU/Action
10 1. Main card
2. Riser card
15 1. Audio card
2. Riser card
30 Reserved
32 1. See “External Keyboard” on
page 404.
2. Main card
3. Riser card
33 1. External mouse
2. Main card
3. Riser card
45 See “External Display” on page 402.
51 1. Diskette drive (FDD-2)
2. Main card
3. Riser card
56 1. Diskette drive (FDD-2)
2. Main card
3. Riser card
61 1. Hard disk drive (HDD-2)
2. Main card
3. HDD installation kit
70 Main card
80 Reserved
90 Reserved
420 IBM Mobile Systems HMM - Volume 1