Lenovo ThinkSystem SR635, Maintenance Manual

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Figure 12. Rear view of server model with one PCIe slot
Table 9. Components on the rear of the server
1
PCIe slot 1 on riser 1 assembly
2
Power supply 1
3
Power supply 2 (optional)
4
NMI button
5
Serial port
6
USB 3.2 Gen 1 (5 Gbps) connectors
7
VGA connector
8
BMC management Ethernet connector
9
Ethernet connectors on OCP 3.0 Ethernet adapter
(optional, two or four connectors may be available)
1 PCIe slot 1
Slot 1: PCIe x16 (x16, x8, x4, x1), full-height/full-length
Rear view of server model with no PCIe slot
The following illustration shows the rear view of the server model with no PCIe slot. Depending on the model,
your server might look slightly different from the illustration below.
Figure 13. Rear view of server model with no PCIe slot
Table 10. Components on the rear of the server
1
Power supply 1
2
Power supply 2 (optional)
3
NMI button
4
Serial port
5
USB 3.2 Gen 1 (5 Gbps) connectors
6
VGA connector
7
BMC management network connector
8
Ethernet connectors on OCP 3.0 Ethernet adapter
(optional, two or four connectors may be available)
The following are common components on the rear view of different models:
•
Power supply 1
•
Power supply 2 (optional)
The hot-swap redundant power supplies help you avoid significant interruption to the operation of the
system when a power supply fails. You can purchase a power supply option from Lenovo and install the
power supply to provide power redundancy without turning off the server.
Chapter 2
.
Server components
19