Appendix A: Post Messages

 

Message

Possible Cause

Solution

 

 

 

 

 

 

 

MONITOR TYPE

Monitor type not

Run Setup and enter

 

 

DOES NOT MATCH

correctly identified in

correct monitor type.

 

 

CMOS

Setup.

 

 

 

 

 

 

 

 

OPERATING

Operating system

Check Setup to see if

 

 

SYSTEM NOT

cannot be located on

Drive A: and C: are

 

 

FOUND

Drive C: or Drive A:

properly configured, or

 

 

 

 

put a bootable disk in

 

 

 

 

Drive A:

 

 

 

 

 

 

 

PARITY CHECK 1

Parity error found in the

Check Setup. Board

 

 

nnnn

system bus.

repair may be required.

 

 

 

 

 

 

 

PARITY CHECK 2

Parity error found in the

Check Setup. Board

 

 

nnnn

I/O bus.

repair may be required.

 

 

 

 

 

 

 

PREVIOUS BOOT

Previous POST did not

Run Setup, load default

 

 

INCOMPLETE -

complete successfully.

BIOS settings, make any

 

 

DEFAULT

 

necessary adjustments,

 

 

CONFIGURATION

 

and save the changes

 

 

USED

 

 

 

 

 

 

 

 

 

REAL TIME CLOCK

Real-time clock failed

May require battery

 

 

ERROR

BIOS test.

replacement or board

 

 

 

 

repair.

 

 

 

 

 

 

 

SHADOW RAM

Shadow RAM failed.

May require repair of

 

 

FAILED AT OFFSET

 

system board.

 

 

 

 

 

 

 

SYSTEM BATTERY

System battery died.

Replace the system

 

 

IS DEAD

 

battery and run Setup to

 

 

 

 

reconfigure the system.

 

 

 

 

 

 

 

SYSTEM CACHE

External (L2) cache

System will still run, but

 

 

ERROR - CACHE

failed BIOS test.

slower. Replace cache

 

 

DISABLED

 

at convenience.

 

 

 

 

 

 

 

SYSTEM CMOS

System CMOS has been

Run Setup and

 

 

CHECKSUM BAD -

corrupted or modified

reconfigure the system.

 

 

RUN SETUP

incorrectly.

 

 

 

 

 

 

 

 

SYSTEM RAM

System RAM failed.

Replace defective RAM.

 

 

FAILED AT

 

 

 

 

OFFSET: nnnn

 

 

 

 

 

 

 

 

 

SYSTEM TIMER

Timer test failed.

Requires repair of system

 

 

ERROR

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A-2

M54E2 System Board Manual