Post Numeric Codes And Text Messages - HP Z238 Maintenance And Service Manual

POST numeric codes and text messages

This section covers those POST errors that have numeric codes associated with them. The section also
includes some text messages that may be encountered during POST.
NOTE: The computer will beep once after a POST text message is displayed on the screen.
Control panel message
002-Option ROM Checksum Error
003-System Board Failure
005-Real-Time Clock Power Loss
008–Microcode Patch Error
009–PMM Allocation Error during MEBx
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00A-Product Information Not Valid
00B-MEBx Module did not checksum correctly
Description
System ROM or expansion board option ROM
checksum.
DMA or timers.
Invalid time or date in configuration memory.
RTC (real-time clock) battery may need to
be replaced.
Processor is not supported by the BIOS.
Memory error during POST execution of the
Management Engine (ME) BIOS Extensions
option ROM.
The product information programmed into the
system board is missing or invalid.
Memory error during POST execution of the
Management Engine (ME) BIOS Extensions
option ROM.
POST error messages and diagnostic front panel LEDs and audible codes
Recommended action
1. Verify the correct ROM.
2. Flash the ROM if needed.
3. If an expansion board was recently added,
remove it to see if the problem remains.
4. Clear CMOS. (See Clearing and resetting
the BIOS on page 71.)
5. If the message disappears, there may be a
problem with the expansion card.
6. Replace the system board.
1. Clear CMOS. (See Clearing and resetting
the BIOS on page 71.)
2. Remove expansion boards.
3. Replace the system board.
Reset the date and time under Control Panel
(Computer Setup can also be used). If the
problem persists, replace the RTC battery. See
the Removal and Replacement section for
instructions on installing a new battery.
1. Upgrade BIOS to proper version.
2. Change the processor.
1. Reboot the computer.
2. Unplug the power cord, re-seat the
memory modules, and reboot the
computer.
3. If the memory configuration was recently
changed, unplug the computer, restore
the original memory configuration, and
reboot the computer.
4. If the error persists, replace the system
board.
Use Computer Setup to update this information.
1. Reboot the computer.
2. Unplug the power cord, re-seat the
memory modules, and reboot the
computer.
3. If the memory configuration was recently
changed, unplug the power cord, restore
the original memory configuration, and
reboot the computer.
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