POST Error Messages

 

 

 

 

 

POST Error Messages

 

 

 

 

 

 

 

Screen Message

Probable Cause

Recommended Action

Microcode Error

BIOS could not find or

 

load the CPU microcode

 

update to the CPU.

Ensure the system board BIOS supports the processor.

Change system board jumper on JP2 to pins 2-3 (Unlock), then flash the system BIOS. Reset the jumper to pins 1-2 (Lock).

NVRAM Checksum

Error detected while

Restart the computer, use the F10 Key to

Bad, NVRAM Cleared

validating NVRAM data.

access Computer Setup. Select Load

 

 

Default Settings > Save and Exit.

 

 

 

NVRAM Ignored

NVRAM data used to

Restart the computer, use the F10 Key to

 

store plug and play data

access Computer Setup. Select Load

 

was not used for system

Default Settings > Save and Exit.

 

configuration in POST.

Change system board jumper on JP2 to

 

 

pins 2-3 (Unlock), then flash the system

 

 

BIOS. Reset the jumper to pins 1-2 (Lock).

 

 

Replace the system board.

 

 

 

NVRAM Bad

NVRAM data used to

Restart the computer, use the F10 Key to

 

store plug and play data

access Computer Setup. Select Load

 

was not used for system

Default Settings > Save and Exit.

 

configuration in POST.

Change system board jumper on JP2 to

 

 

pins 2-3 (Unlock), then flash the system

 

 

BIOS. Reset the jumper to pins 1-2 (Lock).

 

 

Replace the system board.

 

 

 

Timer Error

Error found while

Replace the system board.

 

programming the count

 

 

register of channel 2 of

 

 

the 8254 timer.

 

Interrupt Controller-1

Error

Interrupt Controller-1

Error

BIOS POST could not

Replace the system board.

initialize the Master/

 

Slave Interrupt controller.

 

CMOS Date/Time Not

CMOS Date and/or Time

Set the date and time under Control

Set

is invalid.

Panel or in F10 Setup depending on

 

 

the operating system.

 

 

If problem persists, replace the RTC

 

 

battery.

 

 

 

CMOS Battery Low

CMOS battery weak.

Replace the RTC battery.

 

 

 

CMOS Settings Wrong

Invalid CMOS settings.

Restart the computer, use the F10 Key to

 

 

access Computer Setup. Select Load

 

 

Default Settings > Save and Exit.

 

 

 

 

Service Reference Guide

431672-001

C–3