Control panel message Description Recommended action
RTC (real-time clock) battery may need to 
be replaced.
problem persists, replace the RTC battery. See 
the Removal and Replacement section for 
instructions on installing a new battery.
008–Microcode Patch Error Processor is not supported by the BIOS. 1. Upgrade BIOS to proper version.
2. Change the processor.
009–PMM Allocation Error during MEBx 
Download
Memory error during POST execution of the 
Management Engine (ME) BIOS Extensions 
option ROM.
1. Reboot the computer.
2. Unplug the power cord, re-seat the 
memory modules, and reboot the 
computer.
3. If the memory conguration was recently 
changed, unplug the computer, restore 
the original memory conguration, and 
reboot the computer.
4. If the error persists, replace the system 
board.
00A-Product Information Not Valid The product information programmed into the 
system board is missing or invalid.
Use Computer Setup to update this information.
00B-MEBx Module did not checksum correctly Memory error during POST execution of the 
Management Engine (ME) BIOS Extensions 
option ROM.
1. Reboot the computer.
2. Unplug the power cord, re-seat the 
memory modules, and reboot the 
computer.
3. If the memory conguration was recently 
changed, unplug the power cord, restore 
the original memory conguration, and 
reboot the computer.
4. If the error persists, replace the system 
board.
00C-PMM Deallocation Error during MEBx 
Cleanup
Memory error during POST execution of the 
Management Engine (ME) BIOS Extensions 
option ROM.
1. Reboot the computer.
2. Unplug the power cord, re-seat the 
memory modules, and reboot the 
computer.
3. If the memory conguration was recently 
changed, unplug the power cord, restore 
the original memory conguration, and 
reboot the computer.
4. If the error persists, replace the system 
board.
00D-Setup Error during MEBx Execution MEBx selection or exit resulted in a setup 
failure.
1. Reboot the computer.
2. Unplug the power cord, re-seat the 
memory modules, and reboot the 
computer.
3. If the memory conguration was recently 
changed, unplug the power cord, restore 
the original memory conguration, and 
reboot the computer.
4. If the error persists, replace the system 
board.
98 Chapter 7   POST error messages and diagnostic front panel LEDs and audible codes