SAS/NVMe drive backplane connectors
Figure 65. SAS/NVMe drive backplane connectors
Table 232. SAS/NVMe drive backplane connectors
Callout Callout
1 Drive connector for SAS or NVMe drives 0, 4, 8, 12, 16,
and 20
5 NVMe signal from compute board or storage tray
2 Drive connector for SAS or NVMe drives 2, 6, 10, 14,
18, and 22
6 SAS signal from RAID card
3 Drive connector for SAS drives 1, 5, 9, 13, 17, and 21
7 Backplane power from interposer
4 Drive connector for SAS drives 3, 7, 11, 15, 19, and 23
Component access
When installing optional components, you will often need to remove other components to gain access.
Procedures for removing and installing components to gain access to other system components are in this
section.
Adapter replacement
Adapters are in several locations in the I/O tray that is accessed from the rear of the server. You can install up
to 17 adapters in the server. The removal and installation procedures for each riser type are different and are
described in the following topics:
• PCIe adapters 1 to 4: see “Remove a PCIe adapter from slot 1 to 4” on page 293 and “Install a PCIe
adapter in slot 1 to 4” on page 299
• PCIe adapters 5 to 8 and the LOM adapter (slot 9):
– For PCIe adapters 5 to 8, see “Remove a PCIe adapter from slot 5 to 8” on page 294 and “Install a PCIe
adapter in slot 5 to 8” on page 300
– For the LOM adapter (slot 9), see “Remove a LOM adapter from slot 9” on page 295 and “Install a LOM
adapter in slot 9” on page 301
• PCIe adapters 10 to 15: see “Remove a PCIe adapter from slot 10 to 15” on page 296 and “Install a PCIe
adapter in slot 10 to 15” on page 302
• I/O adapters 16 to 17: see “Remove an I/O adapter from slot 16 to 17” on page 297 and “Install an I/O
adapter in slot 16 to 17” on page 304
Installation considerations for the Mellanox Innova™-2 Flex Open Programmable SmartNIC
Review the following guidelines before installing the Mellanox Innova™-2 Flex Open Programmable
SmartNIC:
292
ThinkSystem SR950 Setup Guide
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