Riser Replacement - Lenovo ThinkSystem SR950 Setup Manual

c. Configure DCPMMs and DRAM DIMMs (see "Configure DC Persistent Memory Module (DCPMM)"
on page 261).
d. Restore the data that have been backed up if necessary.

Riser replacement

Risers are in the I/O tray that is accessed from the rear of the server. The removal and installation procedures
for each riser type are different and are described in the following topics:
• Riser for slot 1 to 4 (riser 1): see "Remove the riser for slot 1 to 4 (riser 1)" on page 358 and "Install the riser
for slot 1 to 4 (riser 1)" on page 364
Note: There is no riser for slot 5 to 7, the ML2 x16 network adapter (slot 8), and the LOM adapter (slot 9);
these adapters install directly in the I/O tray.
• Riser for slot 10 to 15 (riser 2): see "Remove the riser for slot 10 to 15 (riser 2)" on page 359 and "Install the
riser for slot 10 to 15 (riser 2)" on page 365
Riser bracket for slot 14 to 15 (riser 2): see "Remove the riser bracket for slot 14 to 15 (riser 2)" on page
361 and "Install the riser bracket for slot 14 to 15 (riser 2)" on page 367
• Riser for slot 16 and 17 (riser 3): see "Remove the riser for slot 16 to 17 (riser 3)" on page 362 and "Install
the riser for slot 16 to 17 (riser 3)" on page 368
Remove the riser for slot 1 to 4 (riser 1)
The riser for adapter slot 1 to 4 (riser 1) is in the I/O tray that is accessed from the rear of the server. After
removing the I/O tray, loosen the two captive screws that secure the riser to the I/O tray; then, remove the
riser from the I/O tray.
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 the riser for slot 1 to 4, 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.
Complete the following steps to remove the riser for slot 1 to 4 (riser 1).
Watch the procedure. A video of the installation process is available:
ThinkSystem SR950 Setup Guide
358
" on page 56 " " on page 254