Screen message Probable cause Recommended action
919—Multi-Bay Riser Not
Connected
Multi-Bay riser mechanism is missing
or is not connected.
1. Replace or reconnect the missing Multi-Bay
mechanism to the system board.
2. Reseat or replace the missing mechanism cable.
920—Fatal error on QPI link X Fatal error detected on QPI link x,
where x is 0 or 1. This type of error is
identified on the line following the error
message.
Potential system board problem; contact HP Support.
921—Fatal error on QPI
Protocol link X
Fatal error detected in QPI link x
protocol, where x is 0 or 1. This type of
error is identified on the line following
the error message.
Potential system board problem; contact HP Support.
922—Fatal error on PCIe slot
X
Fatal error occurred in the designated
slot.
Move the card to a different slot. If the problem persists,
replace the card.
923—Fatal error on ESI port 0 A fatal error occurred on ESI port 0.
slot.
Verify that the ESI port device is connected and working
properly.
924—Fatal error on IOH core
X
Fatal error detected on IOH core x,
where x is 0 or 1. This type of error is
identified on the line following.
Potential system board problem; contact HP Support.
925—Fatal error on IOH
miscellaneous
Fatal miscellaneous error detected on
IOH core x, where x is 0 or 1.
Potential system board problem; contact HP Support.
926—Fatal error on IOH Vtd Fatal error detected in the Intel
Virtualization Technology.
Potential system board problem; contact HP Support.
927—Fatal error on DIMM in
slot CPU X DIMM Y
Fatal multibit ECC error detected on
the DIMM in the slot labeled DIMM x
(where x is 1 - 4), as labeled on the
system board.
Replace the DIMM in the identified slot.
928—Fatal machine check
detected on CPU X
Contact HP support.
1720—SMART Hard Drive
Detects Imminent Failure
Hard drive is about to fail. (Some hard
disk drives have a firmware patch that
fixes erroneous error messages.)
1. Determine if the hard disk drive is giving a correct
error message.
2. Run the Drive Protection System test (if
applicable).
3. Apply firmware patch (if applicable).
See
http://www.hp.com/support.
4. Back up contents and replace the hard disk drive.
1783—Fixed Disk 0/1 locked Hard disk drive failure. Diagnose the hard disk drive, and replace it if
necessary.
1796—SATA Cabling Error Missing or improperly attached cable. Verify that a cable is attached. Reattach the cable.
1797—SATA Drivelock is not
supported in RAID mode
SATA Drivelock is not supported in
RAID mode.
Disable RAID mode, or disable SATA drivelock..
1801—Microcode Update
Error
Unknown or unsupported processor
stepping.
The microcode update failed. Check the processor
stepping to ensure it is a supported stepping. If it is
contact, HP Support.
1802—Processor Not
Supported
The system board does not support the
processor.
Replace the processor with a compatible one.
Table 6-9 POST error messages (continued)
160 Chapter 6 Diagnostics and troubleshooting ENWW
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