Note: The device ID and error codes are used to indicatethe detailed portion of the FRU that caused theerror. If replacing a FRU does not correct theproblem, see the device ID or error code from theprevious failure. If they have changed, the cause
FRU Code FRU
20 Memory (see “Memory Checkout” on
page 532)
30 Reserved
32 External keyboard
33 External mouse
34 AC Adapter
35 Speaker
36 Battery in the battery bay
37 Battery in the UltraBay II
38 Fan
40 LCD unit
41 DVD Adapter Card
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. 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 II
(HDD-2).
2. Hard disk drive in UltraBay II (HDD-2)
63 1. Reseat the hard disk drive (HDD-4).
2. Hard disk drive (HDD-4)
70 PCMCIA-2 (replicator)
72 1. Reseat the PCMCIA slot assembly
2. PCMCIA slot assembly
73 Port replicator
74 Main board of the docking station
75 USB card of the docking station
90 CD-ROM drive
91 External CD-ROM drive
92 DVD drive
93 External DVD drive
ThinkPad 770 (9548, 9549) 549