Oracle Sun Server X4-4 Service Manual page 83

Locate a Failed Memory Riser Card, DIMM, or CPU
When a CPU is in a fault state, the Fault indicators for the CPU and both MR cards
associated with the CPU light when the system Fault Remind button is pressed. The
following illustration shows the lit indicators for a failed CPU, P0. In this example, the
Fault indicators for memory riser cards, P0/MR0 and P0/MR1 are lit, as is the Fault
indicator for CPU, P0.
■ To locate a failed MR card, look for the MR card Fault indicator.
For more information, see "Memory Riser Card and CPU Fault
Indicators" on page 78
When an MR card is in a fault state, the Fault indicator for the card lights when the system
Fault Remind button is pressed. The indicator is visible through the small hole on top of
Servicing the Server 83