NEC Versa Series - Manual (Page 76)

5-12 Using the System Drives and Bays
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When the edge of the module pops up and is at approximately a 60 degree
angle, pull it from the socket.
Removing an installed memory module
Note The system switches are also located in the memory module bay. Therefore, if
you need to set any system switches, you might want to do so while the system is
already disassembled. The system switches are defined in Chapter 3.
6. Replace the memory module bay cover and screw.
7. Turn over the system and power on.