Lenovo ThinkPad SL400 Hardware Maintenance Manual - Page 50

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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 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. 42 ThinkPad SL400, SL400c, SL500, and SL500c Hardware Maintenance Manual

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Table
1.
Numeric
error
codes
(continued)
Symptom
or
error
FRU
or
action,
in
sequence
850D
PCI
IRQ
routing
table
error
Update
the
BIOS.
850E
Timer
Error
System
board.
850F
Refresh
timer
test
failed
System
board.
8510
Interrupt
Controller-1
error
System
board.
8511
Interrupt
Controller-2
error
System
board.
8600
CMOS
Date/Time
Not
Set
Run
BIOS
Setup
Utility
and
save
it.
If
the
same
error
happens
after
doing
it,
replace
the
system
board.
8601
CMOS
Battery
Low
1.
Backup
battery.
2.
System
board.
8602
CMOS
Settings
Wrong
Run
BIOS
Setup
Utility
and
save
it.
If
the
same
error
happens
after
doing
it,
check
these
FRUs:
1.
Backup
battery.
2.
System
board.
8603
CMOS
Checksum
Bad
Run
BIOS
Setup
Utility
and
save
it.
If
the
same
error
happens
after
doing
it,
check
these
FRUs:
1.
Backup
battery.
2.
System
board.
8700
KBC
BAT
Test
failed
Run
interactive
tests
of
the
keyboard
and
the
auxiliary
input
device.
8701
Keyboard
Error
Confirm
that
the
keyboard
cable
is
connected
correctly.
8702
PS2
Keyboard
not
found
If
setting
is
incorrect,
reset
the
BIOS
Setup
Utility.
If
setting
is
correct,
after
confirming
the
PS2
keyboard
is
correct,
replace
the
system
board.
8703
PS2
Mouse
not
found
If
setting
is
incorrect,
reset
the
BIOS
Setup
Utility.
If
setting
is
correct,
after
confirming
the
PS2
mouse
is
correct,
replace
the
system
board.
8704
Keyboard/Interface
Error
System
board.
8705
Unlock
keyboard
1.
System
board.
2.
Keyboard.
8706
System
Halted
System
board.
8707
<INS>
Pressed
If
the
error
continues,
check
these
FRUs:
1.
Backup
battery.
2.
System
board.
8708
Password
check
failed
If
the
error
continues,
check
these
FRUs:
1.
Backup
battery.
2.
System
board.
42
ThinkPad
SL400,
SL400c,
SL500,
and
SL500c
Hardware
Maintenance
Manual