Locating and Replacing a Faulty DIMM
1.
Review the memory riser and DIMM configuration rules.
2.
Prepare the system for service.
3.
Unplug the power cords.
4.
Remove the memory risers.
5.
Remove any DIMM fillers installed on the memory risers.
6.
Determine your upgrade path.
■ If you are adding DIMMs to the memory risers only, ensure the new DIMMs
have the same rank classification as the DIMMs already installed on the
motherboard.
■ If you are upgrading all of the memory in the server, remove all of the
existing DIMMs on the memory risers and the motherboard.
7.
Install the new DIMMs.
8.
Install the memory risers.
9.
Return the server to operation.
10.
Enable and verify the new DIMMs.
Locating and Replacing a Faulty DIMM
You can locate a failed DIMM either by using the Oracle ILOM show faulty command, or with
the DIMM fault LEDs located on the motherboard and the memory risers. Locate the memory
risers using the “Server Top View” on page 16.
After locating and removing the faulty DIMM, install and verify the replacement DIMM.
Locate a Faulty DIMM (Oracle ILOM)
The Oracle ILOM show faulty command displays current faults, including DIMM failures.
94 SPARC T8-2 Server Service Manual • June 2019
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