IBM ThinkPad 770E, Hardware Maintenance Manual

Page: 51 / 136

RUNNING THE DIAGNOSTICS
is assigned to code 00. If only one FRU is suspected, the
other FRU code is 00. See the reference page before
replacing the FRU.
FRU Code FRU
10 System board
11 CPU card
12 DC-DC card
15 Audio card or system board (audio)
16 Modem card
20 Memory
30 Reserved
32 External keyboard
33 External mouse
34 AC Adapter
35 Stereo Speaker
36 Battery pack
37 Secondary battery pack
38 Fan
39 Box speaker
40 LCD assembly
41 DVD or DVD and enhanced video adapter
42 Video card or system board (video)
45 External monitor
50 1. Reseat the diskette drive (FDD-1)
2. Diskette drive (FDD-1)
51 1. Reseat the diskette drive (FDD-2)
2. 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 in the
docking station (HDD-3)
2. Hard disk drive in the docking station
(HDD-3)
62 1. Reseat the hard disk drive in the
docking station (HDD-2)
2. Hard disk drive in the docking station
(HDD-2)
63 1. Reseat the hard disk drive in the
docking station (HDD-4)
2. Hard disk drive in the docking station
(HDD-4)
70 PC Card (at the port replicator)
72 PC Card slot assembly
73 Port replicator
74 Main board in the docking station
General Descriptions
45