System-board connectors

The following illustrations show the internal connectors on the system board.

Figure 1. System-board connectors

Table 1. System-board connectors

1 3V battery (CR2032)	22 Fan 3 connector
2 Rear PCIe riser power 1 connector	23 PCIe adapter distribution board power 2 connector
3 TPM connector	24 GPU power connector 8, 7, 6, 5 (left to right)
4 Internal USB connector	25 PCIe connector 12, 11, 10, 9, 8, 7 (left to right)
5 PCIe connector 14	26 Backplane power 1 connector
6 PCIe connector 13	27 LCD connector1
7 Front VGA connector1	28 Front panel connector
8 PCIe connector 15 (rear PCIe riser 1)	29 Fan 5 connector
9 Front USB connector1	30 Fan 4 connector
10 SATA 1 connector	31 Memory module 32 - 25 (left to right)
11 SATA 2 connector	32 Processor 2
12 M.2 signal connector	33 Memory module slots 24 - 9 (left to right)
13 M.2 power connector	34 Power distribution board connector
14 Processor 1	35 Power supply unit 2 connector
15 Memory module slots 8 - 1 (left to right)	36 Power supply unit 1 connector
16 Fan 2 connector	37 Processor 2 UPI connector
17 Fan 1 connector	38 PCIe connector 16 (rear PCIe riser 2)
18 PCIe connector 6, 5, 4, 3, 2, 1 (left to right)	39 Processor 1 UPI connector
19 Front I/O expansion board power connector	40 Rear PCIe riser power 2 connector
20 PCIe adapter distribution board power 1 connector	41 Intrusion switch connector
21 GPU power connector 4, 3, 2, 1 (left to right)	42 Serial port cable connector

Note

¹ Front I/O module cables connect to these connectors.