Lenovo ThinkPad SL400c Hardware Maintenance Manual page 50

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ThinkPad SL400, SL400c, SL500, and SL500c Hardware Maintenance Manual
Table 1. Numeric error codes (continued)
Symptom or error
850D
PCI IRQ routing table error
850E
Timer Error
850F
Refresh timer test failed
8510
Interrupt Controller-1 error
8511
Interrupt Controller-2 error
8600
CMOS Date/Time Not Set
8601
CMOS Battery Low
8602
CMOS Settings Wrong
8603
CMOS Checksum Bad
8700
KBC BAT Test failed
8701
Keyboard Error
8702
PS2 Keyboard not found
8703
PS2 Mouse not found
8704
Keyboard/Interface Error
8705
Unlock keyboard
8706
System Halted
8707
<INS> Pressed
8708
Password check failed
FRU or action, in sequence
Update the BIOS.
System board.
System board.
System board.
System board.
Run BIOS Setup Utility and save it. If the
same error happens after doing it, replace
the system board.
1. Backup battery.
2. System board.
Run BIOS Setup Utility and save it. If the
same error happens after doing it, check
these FRUs:
1. Backup battery.
2. System board.
Run BIOS Setup Utility and save it. If the
same error happens after doing it, check
these FRUs:
1. Backup battery.
2. System board.
Run interactive tests of the keyboard and
the auxiliary input device.
Confirm that the keyboard cable is
connected correctly.
If setting is incorrect, reset the BIOS Setup
Utility. If setting is correct, after confirming
the PS2 keyboard is correct, replace the
system board.
If setting is incorrect, reset the BIOS Setup
Utility. If setting is correct, after confirming
the PS2 mouse is correct, replace the
system board.
System board.
1. System board.
2. Keyboard.
System board.
If the error continues, check these FRUs:
1. Backup battery.
2. System board.
If the error continues, check these FRUs:
1. Backup battery.
2. System board.