Lenovo ThinkPad 770 Hardware Maintenance Manual for 770 series notebooks(Janua - Page 50

FRU Codes, The FRU code

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RUNNING THE DIAGNOSTICS Icon SystemBoard Memory FDD-1 FDD-2 Parallel Serial HDD-1 HDD-2 HDD-3 HDD-4 Display PCMCIA-1 PCMCIA-2 Infrared DPS Audio (ISA) USB-1 USB-2 USB-3 USB-4 Audio (PCI) CDROM-1 CDROM-2 DVD-1 DVD-2 Device ID 001 003 007 086 002 006 066 009 011 017 151 067 152 050 052 053 054 080 088 103 113 153 154 155 156 157 158 215 216 217 218 Suspected Device System board Keyboard Math coprocessor Pointing device Memory Diskette drive in the computer External diskette drive or FDD connector Parallel port Serial port Hard disk drive First (external) hard disk drive Second (external) hard disk drive Third (external) hard disk drive Display 1. Connection of the PC Card slot 2. PC Card External PC Card IR DPS ISA audio USB External USB External USB External USB PCI audio CD-ROM External CD-ROM DVD drive External DVD drive 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 44

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RUNNING THE DIAGNOSTICS
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
Icon
Device ID
Suspected Device
SystemBoard
001
System board
003
Keyboard
007
Math coprocessor
086
Pointing device
Memory
002
Memory
FDD-1
006
Diskette drive in the
computer
FDD-2
066
External diskette drive
or FDD connector
Parallel
009
Parallel port
Serial
011
Serial port
HDD-1
017
Hard disk drive
HDD-2
151
First (external) hard disk
drive
HDD-3
067
Second (external) hard
disk drive
HDD-4
152
Third (external) hard disk
drive
Display
050
Display
052
053
054
PCMCIA-1
080
1.
Connection of the
PC Card slot
2.
PC Card
PCMCIA-2
088
External PC Card
Infrared
103
IR
DPS
113
DPS
Audio (ISA)
153
ISA audio
USB-1
154
USB
USB-2
155
External USB
USB-3
156
External USB
USB-4
157
External USB
Audio (PCI)
158
PCI audio
CDROM-1
215
CD-ROM
CDROM-2
216
External CD-ROM
DVD-1
217
DVD drive
DVD-2
218
External DVD drive
44