61
Table 2-1 BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes,
Messages, Beeps
Action/FRU
NOTE: To diagnose a problem, first find the BIOS error
messages, codes, or beeps in left column. If directed to a
check procedure, replace the FRU indicated in the check
procedure. If no check procedure is indicated, the first
Action/FRU listed in right column is the most likely cause.
POST Error Codes and Messages
161
CMOS battery failed
Load default settings in Setup and
reboot the system.
CMOS battery.
System board.
162
CMOS checksum
error
Make sure the equipment (diskette
drive, hard disk drive, keyboard,
mouse, etc.) are connected properly
and are set correctly in BIOS Setup.
Load default settings in setup.
CMOS battery should be replaced.
System board.
164
Memory size error
Make sure the DIMMs are inserted
properly.
System board.
201
Memory test failure.
Insert the memory modules in the
DIMM sockets properly, then reboot
the system.
Memory module. See the “Step 005”
of ”Memory” on page 84 to replace
memory module.
System board.
301
Keyboard error or no
keyboard present.
Make sure the keyboard is connected
properly and are set correctly in BIOS
Setup.
System board.
662
FLOPPY DISK(S)
failure (80)
Unable to reset floppy subsystem.
662
FLOPPY DISK(S)
failure (40)
Floppy type mismatch.
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