System-board layout
The following sections provide information about the connectors, switches, and jumpers that are available on
the system board.
For more information about the LEDs that are available on the system board, see
“System-board LEDs” on
page 208
.
System-board connectors
The following illustrations show the internal connectors on the system board.
Table 14. System-board connectors
1 Firmware and RoT security module connector
16 Node sideband connector
2 OCP signal connector
17 (Reserved)
3 PCIe riser slot 1 connector (Gen5) 18 NVMe 0-1 connector (Gen5)
4 RAID signal connector
19 SATA connector
5 OCP power and sideband connector 20 PCIe riser slot 1 connector (Gen5)
6 Power bus bar connector
21 CMOS battery socket
7 RAID power connector
22 M.2 bay 0
8 Fan 1 connector
23 M.2 bay 1
9 (Reserved)
24 MicroSD card socket
10 Fan 2 connector
25 Serial connector
11 Backplane power connector
26 External diagnostic handset connector
12 Fan 3 connector
27 USB connector
13 PCIe riser power connector
28 Rear I/O signal connector
14 Fan 4 connector
29 VGA connector
15 P12V AUX power connector
28 ThinkSystem SD530 V3 User Guide
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