NEC VERSA 6220 User Manual page 106

If you are replacing a DIMM and need to remove one that is already in-
stalled, do so as follows:
T
Press the locking tabs away from the sides of the DIMM and hold
while gently lifting on the edge of the DIMM.
T
When the edge of the DIMM pops up and is at approximately a 60
degree angle, pull the DIMM from the socket.
Installing the DIMM
Removing an installed DIMM
Using Your NEC Versa 4-39