Oracle Sun Server X4-4, Service Manual

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Locate a Failed Memory Riser Card, DIMM, or CPU
82 Sun Server X4-4 Service Manual • October 2015
The Fault Remind button is located on the divider between the cooling zone 1 and cooling zone
2.
3. Verify that the system Fault Remind circuit is usable.
When the Fault Remind button is pressed, the Fault Remind button Power LED illuminates
(green) to indicate that the remind circuitry is usable.
4. Look for the lit Fault indicators:
If the circuit is usable, identify the failed component by the lit Fault indicators. Use the
information in the following table to help you find the component.
Component Memory Riser LED CPU LED DIMM LED
CPU On
The LEDs for both
memory riser cards
associated with the failed
CPU turn on.
On Off
Memory riser card On Off Off
DIMM On
To locate the failed DIMM,
remove the MR card
and use the DIMM Fault
Remind circuit.
Off On
■ To locate a failed CPU, look for the lit MR card Fault indicators and
the lit CPU Fault indicator. For more information, see “CPU Fault
Indicators” on page 79 .