Chassis Indicator LEDs
Power LED and Sound
Activity
Diagnosis and Service Action
4. Replace third-party memory with HP memory.
5. Reseat CPUs.
6. Replace system board.
Blinks red/beeps six times, once
per second, then a two-second
pause
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.
Pre-video graphics card error.
1. Ensure auxiliary power cable is connected if applicable (high power graphics cards only).
2. Reseat the graphics card.
3. Replace the graphics card.
4. Replace the system board.
Blinks red/beeps seven times,
once per second, then a two-
second pause
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.
System board failure (ROM detected failure before video).
1. Clear CMOS by pressing the Clear CMOS button on the system board.
2. Replace system board.
Blinks red/beeps eight times,
once per second, then a two-
second pause
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.
Invalid ROM based on bad checksum.
1. Clear CMOS by pressing the Clear CMOS button on the system board.
2. Upgrade the ROM using a ROMPaq diskette, CD, diskette, or USB removable device
(e.g., HP Drive Key). See the ROM Flash section of the Service and Technical Reference
Guide at
http://www.hp.com/support/workstation_manuals.
3. Replace system board.
Blinks red/beeps nine times,
once per second, then a two-
second pause
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.
System powers on but is unable to boot.
1. Replace the processor.
2. Replace the system board.
* Refer to the Service and Technical Reference Guide for your workstation for BIST information.
Table 5-2 Diagnostic LED codes (continued)
ENWW Diagnostic error codes 109
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