Lenovo ThinkSystem SR550 Setup Manual page 27

Table 7. Components on the rear of the server (continued)
Callout
XClarity Controller network connector
15
Ethernet connector on the LOM adapter
17
1 2 3 4 5 6 PCIe slots
You can find the PCIe slot numbers on the rear view of the chassis.
Notes:
• Your server supports PCIe slot 5 when two processors are installed.
• PCIe slot 6 does not support PCIe adapters with external mini-SAS HD connectors.
• Only use PCIe adapters provided by Lenovo. Lenovo makes no warranty regarding non-Lenovo products
or services. For a list of supported PCIe adapters, see:
• When installing Ethernet adapters with RJ-45 connectors, observe the following installation sequence:
Table 8. Installation sequence of Ethernet adapters with RJ-45 connectors
Number of installed processor
One processor
Two processors
PCIe adapter slot 1, 2, and 3 on riser 1:
There are three different risers that can be installed in riser 1.
• Type 1
– Slot 1: PCIe x16 (x8, x4, x1), full-height, half-length
– Slot 2: PCIe x16 (x8, x4, x1), full-height, half-length
– Slot 3: PCIe x16 (x8, x4, x1), full-height, half-length
• Type 2
– Slot 1: PCIe x16 (x8, x4, x1), full-height, half-length
– Slot 2: PCIe x16 (x8, x4, x1), full-height, half-length
– Slot 3: ML2 x8 (x8, x4, x1), full-height, half-length
• Type 3
– Slot 1: PCIe x16 (x16, x8, x4, x1), full-height, half-length
– Slot 2: Not available
– Slot 3: PCIe x16 (x8, x4, x1), full-height, half-length
PCIe adapter slot 4 on system board: PCIe x8 (x8, x4, x1), low-profile card
PCIe adapter slot 5 and 6 on riser 2:
• Slot 5: PCIe x16 (x16, x8, x4, x1), full-height, half-length,
• Slot 6: PCIe x16 (x8, x4, x1), full-height, half-length
7 Power supply 2 (available on some models)
Callout
Ethernet connector on the LOM adapter
16
http://www.lenovo.com/us/en/serverproven/
PCIe slot
4, 2, 6, 3, 1
4, 2, 6, 3, 5, 1
Chapter 2
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Server components
23