Lenovo ThinkSystem SR950 7X12 Setup Manual page 179

CAUTION:
The power control button on the device and the power switch on the power supply do not turn off the
electrical current that is 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 slots 16 and 17, 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 152.
Complete the following steps to remove the riser for slots 16 and 17.
Watch the procedure. A video of the installation process is available:
• Youtube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-DbSYJFY74PoKmph7vgrkKH&playnext=1
• Youku:
http://list.youku.com/albumlist/show/id_50952215
Figure 105. Riser for slots 16 and 17 removal
Step 1. Loosen the captive screw (item 1 in preceding figure) that secures the riser to the I/O tray board.
175
Appendix B. Component reference