Lenovo ThinkSystem SR950 Setup Manual page 368

Step 2. Lift the riser up and out of the I/O tray.
After you remove the riser:
• If you are removing the riser and are not installing a replacement:
1. Install the screw that secures the I/O tray board to the I/O tray (item 3 in the figure). This screw
replaces the captive screw on the rear edge of the riser below the midplane connectors. Screw
location is labelled "Remove screw before installing riser" on the I/O board.
2. Install the I/O tray fillers in adapter slot 16 to 17 (item 4 in the figure).
If you are instructed to return the riser, follow all packaging instructions, and use any packaging materials for
shipping that are supplied to you.
Install 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
installing adapters in the riser, insert the riser in the I/O tray and secure it with two captive screws.
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.
"
Before you install the riser for slot 1 to 4:
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 riser slot 1 to 4.
3. Install adapters in the riser. See "Install a PCIe adapter in slot 1 to 4" on page 299.
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 slot 1 to 4.
Watch the procedure. A video of the installation process is available:
•
YouTube
•
Youku
ThinkSystem SR950 Setup Guide
364
" on page 56 " " on page 254