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Component identification 12
* For more information on the expansion slot specifications, see "PCIe expansion slot definitions (on page
12)."
DIMM slot locations
DIMM slots are numbered sequentially (1 through 4) for the processor. The supported AMP modes use the
letter assignments for population guidelines.
PCIe expansion slot definitions
The transfer rate of the PCIe expansion slots 3 and 4 depends on the processor model installed. The slots can
either run in PCIe2 (5 GT/s) or PCIe3 (8 GT/s) rate.
• Intel Xeon Processor E3-xxxx Series, Intel Core i3 Processor Series, Intel Pentium G2120, and Intel
Celeron G540
Slot number Type Length Height Connector link width Negotiable link width
1
PCIe2 Half Full x4 x1
2
PCIe2 Full Full x8 x4
3
PCIe2 Full Full x8 x8
4
PCIe2 Full Full x16 x8
• Intel Xeon Processor E3-xxxxV2 Series
Slot number Type Length Height Connector link width Negotiable link width
1
PCIe2 Half Full x4 x1
2
PCIe2 Full Full x8 x4
3
PCIe3 Full Full x8 x8
4
PCIe3 Full Full x16 x8
System maintenance switch
Switch Default Function
1
Off Off = No function
On = iLO security is disabled