Lenovo SL300 manual Numeric error codes

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

42ThinkPad SL300 Hardware Maintenance Manual