Lenovo ThinkSystem SR950 Setup Manual page 304

Figure 71. Adapter installation (slot 1 to 4)
Step 1. Open the retention latch.
Step 2. Align the adapter with the riser slot and insert it; then, press the adapter into the riser until the
connector is fully seated.
Step 3. Close and lock the retention latch.
If you have no other operations to perform on the riser after installing an adapter in slot 1 to 4:
1. 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.
2. Install the riser in the I/O tray. See "Install the riser for slot 1 to 4 (riser 1)" on page 364.
3. Install the I/O tray in the chassis and connect all cables. See "Install the I/O tray" on page 335.
Install a PCIe adapter in slot 5 to 8
PCIe adapters in slot 5 to 8 are in the I/O tray that is accessed from the rear of the server. With the I/O tray
removed from the chassis, insert the adapter in the I/O tray.
Note: You should not install a RAID or Host Bus Adapter card in slot 7.
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 Install a PCIe adapter in slot 5 to 8, make sure that there is no filler installed in the slot where you
are installing the adapter.
Important: You must remove the riser from the I/O tray before installing an adapter.
ThinkSystem SR950 Setup Guide
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