Lenovo ThinkSystem SR950 Setup Manual page 297

• If you install the Mellanox Innova™-2 Flex Open Programmable SmartNIC in the ThinkSystem SR950, the
maximum supported ambient temperature for the system is 35°C.
• The Mellanox Innova™-2 Flex Open Programmable SmartNIC is not supported in the following adapter
slots: 1, 5, and 10.
• When installing the Mellanox Innova™-2 Flex Open Programmable SmartNIC in a 4-socket configuration:
– A maximum of two of these adapters can be installed in the system.
– The Mellanox Innova™-2 Flex Open Programmable SmartNIC can be installed only in adapter slots 6,
7, or 17.
– The installation of two of these adapters in contiguous, sequential slots is not supported. For example,
you cannot install two adapters in slots 6 and 7.
• When installing the Mellanox Innova™-2 Flex Open Programmable SmartNIC in an 8-socket configuration:
– A maximum of four of these adapters can be installed in the system.
– The Mellanox Innova™-2 Flex Open Programmable SmartNIC can be installed only in adapter slots 2,
3, 4, 6, 7, 11, 12, 13, 14, 15, 16, or 17.
– The installation of two of these adapters in contiguous, sequential slots is not supported. For example,
you cannot install two adapters in slots 2 and 3.
Remove a PCIe adapter from slot 1 to 4
PCIe adapters in slot 1 to 4 are in an I/O tray riser that is accessed from the rear of the server. After removing
the I/O tray and the riser for slot 1 to 4 (riser 1), open the retention latch and remove the adapter from the
riser.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
"
CAUTION:
Make sure that all server power cords are disconnected from their power sources before performing
this procedure.
Before you remove an adapter from slot 1 to 4:
1. Disconnect and label all cables connected to adapters in the I/O tray; then, remove the I/O tray. See
"Remove the I/O tray" on page 334.
2. Remove the riser for slot 1 to 4 (riser 1). See "Remove the riser for slot 1 to 4 (riser 1)" on page 358.
Complete the following steps to remove an adapter from slot 1 to 4.
" on page 56 " " on page 254
Appendix B. Component reference
293