Service Reference Guide, d200 336493-004 C–3
POST Error Messages
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
Bad, NVRAM Cleared
Error detected while
validating NVRAM data.
Restart the computer, use the F10 Key to
access Computer Setup. Select Load
Default Settings >Save and Exit.
NVRAM Ignored NVRAM data used to
store plug and play data
was not used for system
configuration in POST.
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.
NVRAM Bad NVRAM data used to
store plug and play data
was not used for system
configuration in POST.
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.
Timer Error Error found while
programming the count
register of channel 2 of
the 8254 timer.
Replace the system board.
Interrupt Controller-1
Error
Interrupt Controller-1
Error
BIOS POST could not
initialize the
Master/Slave Interrupt
controller.
Replace the system board.
CMOS Date/Time Not
Set
CMOS Date and/or Time
is invalid.
Set the date and time under Control
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.
POST Error Messages
Screen Message Probable Cause Recommended Action
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