HP xw9400 Service And Technical Reference Manual page 142

Table 5-18 POST error messages (continued)
Screen Message
303–Keyboard Controller Error
304–Keyboard or System Unit
Error
510–Splash Screen Image
Corrupted
511–CPU Fan Not Detected
512–PCI 1 Fan Not Detected
513–Chassis Fan or Memory
Fan Not Detected
516–Processors Do Not Have
the Same Frequency Operating
Range
134 Chapter 5 System diagnostics and troubleshooting
Probable Cause
I/O board keyboard controller.
Keyboard failure.
Splash Screen image has errors.
Fan is not connected or it might have
malfunctioned.
Fan is not connected or it might have
malfunctioned.
Memory or system fan is not
connected or it might have
malfunctioned.
Installed processors operate at
different frequencies.
Recommended Action
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. Reconnect keyboard with workstation
powered off.
2. Replace the system board.
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. Reconnect the keyboard to the powered-off
workstation.
2. Be sure that none of the keys are pressed or stuck.
3. Replace keyboard.
4. Replace system board.
Restore BIOS.
1. Reseat fan cable.
2. Reseat the fan.
3. Replace the fan.
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. Reseat PCI fan cable.
2. Replace PC1 fan.
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. Reseat memory or system fan connector.
2. Replace memory or system fan.
Replace a processor so that both operate at the same
frequency.
ENWW