Riser 1 supplies slots 1, 2, and 3, and Riser 2 supplies slots 5 and 6. The slots that are available for use depend on
the number of riser cards that are installed and whether the second processor is installed, as shown in the
following table.
Table 25. Slots available for use
Riser Card 1 Riser Card 2 Slots available for use
One processor
None None LOM, 4, 7
PCIe x8/x8/x8 or PCIe x8/x8/x8ML2 None LOM, 1, 2, 3, 4, 7
PCIe x16/x8 or PCIe x8/x16ML2 None LOM, 1, 3, 4, 7
Two processors
None None LOM, 4, 7
None PCIe x16/x16 LOM, 4, 5, 6, 7
PCIe x8/x8/x8 or PCIe x8/x8/x8ML2 None LOM, 1, 2, 3, 4, 7
PCIe x8/x8/x8 or PCIe x8/x8/x8ML2 PCIe x16/x16 LOM, 1, 2, 3, 4, 5, 6, 7
PCIe x16/x8 or PCIe x8/x16ML2 None LOM, 1, 3, 4, 7
PCIe x16/x8 or PCIe x8/x16ML2 PCIe x16/x16 LOM, 1, 3, 4, 5, 6, 7
The following table lists available PCIe riser card options.
Table 26. PCIe riser cards and miscellaneous options
Description
Part
number
Feature
code
Maximum
supported
x8 Riser Card 1 options (Riser card 1 supplies slots 1, 2, and 3)
ThinkSystem SR550/SR590/SR650 x8/x8/x8 PCIe FH Riser 1 Kit 7XH7A02677 AUR4 1
ThinkSystem SR550/SR590/SR650 x8/x8/x8ML2 PCIe FH Riser 1 Kit 7XH7A02680 AUR7 1
x16 Riser Card 1 options (Riser card 1 supplies slots 1 and 3)
ThinkSystem SR550/SR590/SR650 x16/x8 PCIe FH Riser 1 Kit 7XH7A02678 AUR3 1
ThinkSystem SR650 x8/x16ML2 PCIe FH Riser 1 Kit 7XH7A02681 AURB 1
Riser Card 2 option (Riser card 2 supplies slots 5 and 6)
ThinkSystem SR550/SR590/SR650 (x16/x8)/(x16/x16) PCIe FH Riser 2 Kit 7XH7A02679 AURC 1
Serial port upgrade kit
ThinkSystem COM Port Upgrade Kit 7Z17A02577 AUSL 1
The COM Port Upgrade Kit, part number 7Z17A02577, is used for mounting the external serial port on the rear of
the SR650. This option includes the bracket and the cable. The COM Port option is mounted in place of one of the
PCIe slots 1 - 6, and that PCIe slot cannot be used.
Network adapters
The SR650 server supports up to four onboard network ports with optional LOM cards that use the Intel Ethernet
Connection X722 1/10 GbE technology integrated into the Intel C624 Platform Controller Hub (PCH). The server
also supports ML2 adapters that are installed in the custom ML2 slot provided by an ML2 riser card. The LOM
cards and ML2 network adapters support direct connectivity to the XClarity Controller via the Network Controller
Sideband Interface (NSCI) for out-of-band systems management.
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