Component identification  11 
 
Item  Description 
1 
PCI riser connectors* 
2 
Cache module connector 
TPM connector 
4 
Mini-SAS connector 
5 
System battery 
6 
SATA drive connector 
7 
SATA optical/storage drive connector 
8 
Front panel connectors 
9 
Processor socket 1 
GPU power connector 
11 
Fan connector 8 
12 
Fan connector 7 
13 
Fan connector 6 
14 
Fan connector 5 
Fan connector 4 
16 
Internal USB connector 
17 
Fan connector 3 
18 
Fan connector 2 
19 
Fan connector 1 
Processor 2 DIMM slots 
21 
Reserved 
22 
Drive backplane power connector 
23 
Processor socket 2 
24 
Reserved 
Power supply connector 1 
26 
Drive sideband signal connector 
27 
Power supply connector 2 
28 
Processor 1 DIMM slots 
29 
SD card slot 
30 
NMI header 
31 
System maintenance switch 
* For more information on the riser board slots supported by the onboard PCI riser connectors, see "PCIe riser 
board slot definitions (on page 10)."