Table 20. System-board-assembly connectors (continued)
25 CFF retimer connector 26 CFF expander power connector
27 Intrusion switch connector 28 Backplane 1 power connector
29 CFF RAID/HBA power connector
30 External diagnostics connector
31 Front VGA connector 32 PCIe connector 4
33 PCIe connector 3 34 PCIe connector 7 / SATA connector 1
35 PCIe connector 5 / SATA connector 0 36 PCIe connector 6
37 Power supply 1 connector
38 PCIe connector 8
39 GPU power connector
40 Riser 3 power connector
41 Power supply 2 connector 42 Riser 3 sideband connector
43 Riser 2 slot 44 RoT module connector
45 M.2 signal connector 46 Rear backplane power connector
47 PCIe connector 10 / SATA connector 3 48 PCIe connector 11 / SATA connector 4
49 7mm backplane signal connector 50 Rear backplane sideband connector
Notes:
• The front I/O module on rack latch or the front I/O module on media bay with an integrated diagnostics
panel is connected to connector
22 .
• The front I/O module on media bay with a front operator panel is connected to connectors
21 and 22
using a Y cable.
For details, see
“Front I/O connectors” on page 289.
System-board-assembly switch
This section provides information about locations and functions of the switch block on the system I/O board
and processor board.
Important:
1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all
power cords and external cables. Review the following information:
•
https://pubs.lenovo.com/safety_documentation/
• “Installation Guidelines” on page 47
• “Handling static-sensitive devices” on page 50
• “Power off the server” on page 62
2. Any system-board-assembly switch or jumper block that is not shown in the illustrations in this
document are reserved.
32
ThinkSystem SR665 V3 User Guide
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