Lenovo ThinkSystem SR950 Setup Manual page 251

4. Install the I/O tray in the chassis and connect all cables. See "Install the I/O tray" on page 219.
Install the riser for slots 16 and 17
The riser for adapter slots 16 and 17 is in the I/O tray that is accessed from the rear of the server. After
installing adapters in the riser, insert the riser in the I/O tray and secure it with the captive screw.
S002
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.
Attention: Do not use the riser for slots 16 and 17 with four socket storage rich configurations.
Before you install the riser for slots 16 and 17:
1. Make sure that there is no screw (item 2 in following figure) securing the I/O tray board to the I/O tray in a
location where a captive riser screw will be installed.
2. Make sure that there are no I/O tray fillers installed in adapter slots 16 and 17.
3. Install adapters in the riser. See "Install an I/O adapter in slots 16 and 17" on page 186.
4. If any of the adapters in the riser have internal cables, make sure that they are connected before
installing the riser in the I/O tray.
Complete the following steps to install the riser for slots 16 and 17.
Watch the procedure. A video of the installation process is available:
• YouTube
• Youku
Appendix B. Component reference
247