DEC DECstation 5000 Model 100 Series Hardware Operator's Manual page 71

Release, but do not remove, one of the two memory modules
2.
in the highest-numbered memory slot.
Use your finger to press the spring clip on one end of the
memory slot connector. Press the spring clip away from the
mounting post on the connector. At the same time, press
the memory module toward the front of the system unit.
Release the other end of the memory module the same
way.
Figure 5-10. Removing a memory module
Lift the memory module out of the connector. Store the
3.
module in an antistatic bag.
Remove the other memory module from the same slot.
4.
5–16 Internal Hardware Options
Mounting post
Spring clip
WS33O099