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POST Error Messages
Screen Message
Microcode Error
NVRAM Checksum
Bad, NVRAM Cleared
NVRAM Ignored
NVRAM Bad
Timer Error
Interrupt Controller-1
Error
Interrupt Controller-1
Error
CMOS Date/Time Not
Set
CMOS Battery Low
CMOS Settings Wrong
Service Reference Guide, d260
Probable Cause
BIOS could not find or
load the CPU microcode
update to the CPU.
Error detected while
validating NVRAM data.
NVRAM data used to
store plug and play data
was not used for system
configuration in POST.
NVRAM data used to
store plug and play data
was not used for system
configuration in POST.
Error found while
programming the count
register of channel 2 of
the 8254 timer.
BIOS POST could not
initialize the
Master/Slave Interrupt
controller.
CMOS Date and/or Time
is invalid.
CMOS battery weak.
Invalid CMOS settings.
377977-AA1
Recommended Action
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).
Restart the computer, use the F10 Key to
access Computer Setup. Select Load
Default Settings >Save and Exit.
Restart the computer, use the F10 Key to
access Computer Setup. Select Load
Default Settings >Save and Exit.
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.
Restart the computer, use the F10 Key to
access Computer Setup. Select Load
Default Settings >Save and Exit.
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.
Replace the system board.
Replace the system board.
Set the date and time under Control
Panel or in F10 Setup depending on
the operating system.
If problem persists, replace the RTC
battery.
Replace the RTC battery.
Restart the computer, use the F10 Key to
access Computer Setup. Select Load
Default Settings > Save and Exit.
C–3
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