Dimm Population Rules; How To Isolate And Correct Dimm Ecc Errors - Oracle SUN Fire X4640 Diagnostics Manual

DIMM fault LED is off– The DIMM is operating properly.
■
DIMM fault LED is on (amber)– At least one of the DIMMs in this DIMM pair is faulty and
■
should be replaced.

DIMM Population Rules

See
▼

How to Isolate and Correct DIMM ECC Errors

If the ILOM reports an ECC error or a problem with a DIMM, first complete the steps in the
following procedure.
In this example, ILOM reports an error with the DIMM in CPU0, slot 1. The fault LEDs on
CPU0, slots 1 and 0, are lit.
Refer to
component errors.
Caution –
unpainted metal surface). The system's printed circuit boards and hard disk drives contain
components that are extremely sensitive to static electricity.
If you have not already done so, shut down your server to standby power mode and remove the
1
cover.
Refer to the
Inspect the CPU fault LEDs for each CPU module. The CPU fault LED will be lit on the CPU module
2
that has the faulty DIMM.
Disconnect the AC power cords from the server.
3
Remove the CPU module that has the DIMM problem.
4
Refer to the
Inspect the installed DIMMs to ensure that they comply with the DIMM Population Rules in the
5
Sun Fire X4640 Server Service
Press the Fault Remind button on the CPU module to light the faulty DIMM LEDs.
6
See
fault LEDs.
Sun Fire X4640 Server Service Manual
"Using the ILOM to Monitor the Host" on page
Before handling components, attach an antistatic wrist strap to a chassis ground (any
Sun Fire X4640 Server Service
Sun Fire X4640 Server Service
"DIMM Fault LEDs" on page 15
for the DIMM population rules.
Manual.
Manual.
Manual.
for the location of the Fault Remind button and DIMM
DIMM Population Rules
23for information on locating
17