Install the M.2 backplane

The M.2 backplane is in the I/O tray that is accessed from the rear of the server. After installing M.2 drives in the backplane, insert the backplane in the I/O tray and press it in place.

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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.

Install the M.2 drives before you install the M.2 backplane. See Install an M.2 drive.

Before you install an M.2 backplane option:

1. If the I/O tray is installed in the server, remove it. See Remove the I/O tray.

2. If the riser for slot 10 to 15 (riser 2) and the riser for slot 16 to 17 are installed, remove one of them to access the M.2 backplane connector. See Remove the riser for slot 10 to 15 (riser 2) or Remove the riser for slot 16 to 17 (riser 3).

Complete the following steps to install the M.2 backplane.

Figure 1. M.2 backplane installation

1. Align the openings in the plastic supports at each end of the M.2 backplane with the guide pins on the system board; then, insert the backplane in the system-board connector.
2. Press down on the M.2 backplane to fully seat it.