DFI G5C900-B - Manual (Page 13)

COM Express Board
13
6. To seat the module into the socket, apply firm even pressure to
each end of the module until it slips down into the socket. The
contact fingers on the edge of the module will almost completely
disappear inside the socket.
7. Push down the module until the clips at each side of the socket
lock into position. You will hear a distinctive “click”, indicating the
module is correctly locked into position.
Clip Clip
8. To remove the module, simultaneously push the retaining clips
outward to unlock the module.