Component identification 16
DIMM slots
DIMM slots are numbered sequentially (1 through 12) for each processor. The supported AMP modes use
the letter assignments for population guidelines.
NVDIMM LEDs
When the server boots up, all LEDs flash three times. Any LED activity not described in this section
indicates a possible error.
1
Fast-flashing blue = A backup is in progress. Do not remove the
NVDIMM.
Slow-flashing blue (1 flash/15 seconds) = Normal operation.
3
Solid or flashing green = Power is available to the NVDIMM. Do not
remove the NVDIMM.
Off = Power is not available to the NVDIMM.
PCIe riser board slot definitions
Primary riser cage connector, connected to processor 1
PCIe 3-slot riser cage PCIe 2-slot x16 riser cage*