Gateway E-4400 - Manual (Page 47)

40 System Components
3 If you are adding a RIMM, pull open the socket clamps on each side of
the RIMM socket, and remove the CRIMM.
4 If you are replacing a RIMM, pull open the socket clamps on each side
of the RIMM socket, then lift the RIMM out of the socket.
5 Store the RIMM in a static-free container.
Socket clamps
RIMM