IBM THINKPAD S05L-1270-01 - Manual (Page 57)

If the problem still remains after replacement of the FRUs,
go to “Undetermined Problems” on page 51.
FRU Code FRU
10 System board
30 Reserved
32 External keyboard
33 External mouse
40 LCD unit
45 External CRT
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
2. Hard disk drive
70 PCMCIA-2 (Replicator)
72 PCMCIA slot assembly
90 CD-ROM drive
ThinkPad 380, 385 (2635) 45