User guide
Component identification  13 
Item  Description 
3 
TPM connector 
4 
Mini-SAS connector 
5 
SATA drive connector 
6 
System battery 
7 
SATA optical/storage drive connector 
8 
Front panel connectors 
9 
Primary GPU power connector 
10 
Reserved 
11 
Fan connector 6 
12 
Fan connector 5 
13 
Fan connector 4 
14 
Reserved 
15 
Internal USB connector 
16 
Fan connector 3 
17 
Fan connector 2 
18 
Fan connector 1 
19 
Processor 2 DIMM slots 
20 
Processor socket 2 
21 
Discovery service connector 
22 
Drive backplane power connector 
23 
Drive sideband signal connector 
24 
Secondary GPU power connector 
25 
Power supply connector 1 
26 
Power supply connector 2 
27 
Processor socket 1 
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 12)." 










