Locate a Faulty DIMM (LEDs)

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This procedure describes how to identify a faulty DIMM using buttons and LEDs on the motherboard and the two memory risers.

Press a button on the motherboard or a memory riser to identify a faulty DIMM.

Pressing any of these buttons activates the amber LED for all faulty DIMMs on the motherboard and memory risers.

Press the button briefly to avoid using up the stored power available to illuminate fault LEDs.

No.	LED	Color	Description
1	DIMM Fault LED	Amber	Identifies each faulty or misconfigured DIMM when you press the memory riser remind button.
2	DIMM slots		A notch toward the middle of each slot ensures that the DIMM is correctly oriented.
3	Memory Riser Power LED	Green Amber	Indicates that the riser is operating normally. Indicates that the riser has a fault.
4	Memory Riser Remind button	Blue	Push this button to identify the faulty or misconfigured DIMMs.

Note - The front and rear panel Service Required LEDs are also lit when the server detects a DIMM fault.

SPARC T7-2 Server Service Manual