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Table -3 POST Error Messages
Error code Error Message Description/Corrective Action
50 Secondary Slave Hard Disk Error The IDE/ATAPI device configured as Secondary Slave could not
be properly initialized by the BIOS. This message is typically
displayed when the BIOS is trying to detect and configure
IDE/ATAPI devices in POST.
51 Master Hard Disk Error The IDE/ATAPI device configured as Master in the 3rd IDE
controller could not be properly initialized by the BIOS. This
message is typically displayed when the BIOS is trying to detect
and configure IDE/ATAPI devices in POST.
52 Master Slave Disk Error The IDE/ATAPI device configured as Slave in the 3rd IDE
controller could not be properly initialized by the BIOS. This
message is typically displayed when the BIOS is trying to detect
and configure IDE/ATAPI devices in POST.
0641 BMC card not responding. System does not see the remote management card. Verify the
remote management card is connected to the system board.
Uncorrectable memory error System halts after displaying this message. If the problem
persists, contact HP Customer Support.
Microcode Error BIOS could not find or load the CPU Microcode Update to the
CPU. The message is most likely to appear when a new CPU is
installed in a system board with an outdated BIOS. In this
situation, you must update the BIOS to include the Microcode
Update for the new CPU.
Checking NVRAM..Update Failed BIOS could not write to the NVRAM block. This message
appears when the FLASH part is malfunctioning.
Operating system not found Operating system cannot be located on any of the boot drives.
• Verify that the priority boot drive has power and that the IDE
or SCSI cable is connected properly.
• Verify that the desired boot drive has power and the SCSI
cable is connected.
• Verify that the IDE or SCSI cable is securely plugged into the
respective system board connectors.
• Verify that the boot device is enabled in the Setup Utility.
• Verify that the boot device has an operating system
installed.
If the problem persists, contact your HP Customer Support
provider.
POST-related troubleshooting
Perform the following procedures when POST fails to run, displays error messages, or emits beep codes.
If the POST failure is during a routine bootup, check the following:
• All external cables and power cables should be firmly plugged in.
• The power outlet to which the server is connected and is working.
• The server and monitor are both turned on. The bicolor status LED indicator on the front panel must be lit up
green.
• The monitor's contrast and brightness settings are correct.
• All internal cables are properly connected and all boards firmly seated.
• The processor is fully seated in its socket on the system board.
• The HSF assembly is properly installed on top of the processor.
• All memory modules are properly installed.
• If you have installed a PCI accessory board, verify that the board is firmly seated and any switches or
jumpers on the board are properly set. Refer to the documentation provided with the accessory board.
• All internal cabling and connections are in their proper order.
• If you have changed any switches on the system board, verify that each is properly set.
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