Table 10. System-board-assembly connectors (continued)
10 Second MGMT Ethernet connector 33 CFF retimer connector
11 M.2 signal connector 34 Backplane power connector
12 PCIe connector 8 / SATA connector 3 35 PCIe connector 1
13 7mm/Rear backplane sideband connector 36 PCIe connector 2
14 OCP 3.0 module connector 37 PCIe connector 3 / SATA connector 0
15 Riser 1 slot 38 Power supply 1 connector
16 PCIe connector 9 / SATA connector 4 39 PCIe connector 4 / SATA connector 1
17 CMOS battery (CR2032)
40 Power supply 2 connector
18 Front USB connector 41 GPU/7mm/Rear backplane power connector
19 7mm backplane signal connector
42 PCIe connector 5
20 Pump 1 connector
43 PCIe connector 6
21 Leak detection connector 44 Riser 2 slot
22 PCIe connector 7 / SATA connector 2
45 RoT connector
23 Fan 1–8 connectors
46 Intrusion switch connector (reserved)
System-board-assembly switches
The following illustrations show the location of the switches on the server.
Note: If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to
access the switches.
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:
•
http://thinksystem.lenovofiles.com/help/topic/safety_documentation/pdf_files.html
• “Installation Guidelines” on page 35
• “Handling static-sensitive devices” on page 38
• “Power off the server” on page 44
2. Any system-board-assembly switch or jumper block that is not shown in the illustrations in this
document are reserved.
Chapter 2. Server components 23
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