Table 5. States Under Host BIOS Control
Amber LED state White LED state System state Notes
2 5 BIOS state 1 BIOS Post code (Old LED
pattern 0001) Corrupt BIOS.
2 6 BIOS state 2 BIOS Post code (Old LED
pattern 0010) CPU cong or
CPU failure.
2 7 BIOS state 3 BIOS Post code (Old LED
pattern 0011) MEM cong in
process. Appropriate mem
modules detected but failure has
occurred.
3 1 BIOS state 4 BIOS Post code (Old LED
pattern 0100) Combine PCI
device cong or failure with
video sub sytem cong or failure.
BIOS to eliminate 0101 video
code.
3 2 BIOS state 5 BIOS Post code (Old LED
pattern 0110) Combine storage
and USB cong or failure. BIOS
to eliminate 0111 USB code.
3 3 BIOS state 6 BIOS Post code (Old LED
pattern 1000) MEM cong, no
memory detected.
3 4 BIOS state 7 BIOS Post code (Old LED
pattern 1001) Fatal Motherboard
error.
3 5 BIOS state 8 BIOS Post code (Old LED
pattern 1010) Mem cong,
modules incompatible or invalid
cong.
3 6 BIOS state 9 BIOS Post code (Old LED
pattern 1011) combine "Other
pre-video activity and resource
conguration codes. BIOS to
eliminate 1100 code.
3 7 BIOS state 10 BIOS Post code (Old LED
pattern 1110) Other pre-post
activity, routine subsequent to
video init.
Diagnostic error messages
Table 6. Diagnostic error messages
Error messages Description
AUXILIARY DEVICE FAILURE
The touchpad or external mouse may be faulty. For an external
mouse, check the cable connection. Enable the Pointing Device
option in the System Setup program.
BAD COMMAND OR FILE NAME
Ensure that you have spelled the command correctly, put spaces in
the proper place, and used the correct path name.
72 Troubleshooting