Lenovo THINKSERVER 3821 - Manual (Page 191)

Installing the rear adapter retention bracket
1 Rear adapter retention bracket
2 Hinge pins
To install the rear adapter retention bracket, do the following:
1. Insert the bottom hinge point on the rear adapter retention bracket into the
matching hole in the chassis; then, insert the top hinge point into the matching
hole.
2. Install the adapters (see “Installing an adapter” on page 184).
3. Close the rear adapter retention bracket.
4. Install and lock the side cover (see “Installing the left-side cover” on page 158).
5. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Chapter 7. Installing optional devices and replacing customer replaceable units 183