HP Xw9400 - Workstation - 16 GB RAM Reference Manual page 176

Table 6-18 POST error messages (continued)
Screen Message
1155–Serial Port
Address Conflict
Detected.
1201–System Audio
Address Conflict
Detected
1720 SMART Hard Drive
Detect Imminent Failure
1800–Temperature Alert Internal temperature exceeds
1801–Microcode Update
Error
1802–CPU0 Not
Supported
166 Chapter 6 System diagnostics and troubleshooting
Probable Cause
Both external and internal
serial ports are assigned to
same IRQ.
Device IRQ address conflicts
with another device. (Usually
due to an add-in audio card.)
Hard drive is about to fail.
(Some hard drives have a
firmware patch that will fix an
erroneous error message.)
specification.
Missing or Invalid Processor
Microcode Update.
The system board does not
support the processor.
Recommended Action
1. Remove any COM port expansion
cards.
2. Clear CMOS by pressing the Clear
CMOS button on the system board.
3. Reconfigure card resources and run
Computer Setup (F10 Setup).
4. Run Computer Setup or Windows
utilities.
Reset the IRQ.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Determine if hard drive is giving 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 hard
drive.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Check that workstation air vents are not
blocked and that the cooling fan is
running.
2. Verify processor speed selection.
3. Replace the processor.
4. Replace the system board.
Upgrade BIOS to the current version.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
Replace the processor with a compatible
one.
ENWW