Chapter 5
Troubleshooting
Troubleshooting Using LED Indicators
126
PCI-X LEDs and Hardware Errors
The following table describes the hot-plug PCI-X LED error conditions.
Troubleshooting PCI-X Hot-Plug Operations
Sometimes a PCI-X card will not come online during a hot-plug operation due to a frequency mismatch
between the PCI-X card and the slot bus or due to other hardware errors. To determine the type of error you
are experiencing, observe the LED activity as described below. For a full understanding and description of
HP-UX 11i v2 hardware errors, read Interface Card OL* Support for HP-UX Servers and Workstations,
Important Considerations at http://docs.hp.com.
1. PCI-X Bus Mode or Frequency Mismatch
After you insert a PCI-X card into the slot and push the attention button, the power LED goes from
blinking to steady-off and stays at steady-off; this means that the server firmware has rejected the PCI-X
card, and indicates either bus frequency or bus mode mismatch.
NOTE After pushing the attention button, ensure that you wait the full duration of the 5 second
operation cancellation window before taking further action.
2. Hardware Operation Fault
If the PCI-X card cannot be powered on during a hot-plug addition operation, the attention LED turns
steady-on and the power LED turns steady-off.
CAUTION If your card does not power up, the power loss may be due to the existing PCI-X expansion
cards using all the available power. Check the power ratings of your existing PCI-X cards.
A known cause of power loss is the use of more than 3 RAID cards in your server.
Table 5-9 PCI-X LED Descriptions
Power LED-Green Condition Description
On PCI-X slot is powered on.
Blinking Hot-plug operation in progress—do not touch the slot.
Off PCI-X slot is powered off.
Attention LED-Amber Condition Description
On Hardware operational fault.
NOTE: If slot is powered on, it will not power off. If slot is
powered off, it will not power on.
Blinking Slot location being indicated.
NOTE: If you want to learn how to activate the attention
LED into the blinking/indicator state, read Interface Card
OL* Support for HP-UX Servers and Workstations, Turning
Attention LED to Blink or Off at http://docs.hp.com.
Off If power to slot is on, the slot is functioning normally.
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