Oracle Exadata Storage Server X7-2 EF Service Manual page 106

Identify and Remove a DIMM
Faulty DIMMs are identified with a corresponding amber LED on the motherboard.
If the DIMM Fault LED is off, then the DIMM is operating properly.
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If the DIMM Fault LED is on (amber), then the DIMM is faulty and must be replaced [1].
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3. To remove the faulty DIMM, do the following:
Rotate both DIMM slot ejectors outward as far as they go.
a.
The DIMM is partially ejected from the slot.
106 Oracle Exadata Storage Server X7-2 EF and HC Service Manual • May 2018