NEC VersaDayLite User Manual page 79

Remove the screw and bay cover.
3.
Removing the screw and bay cover
A – Memory Module Bay Cover
Locate the connectors and alignment notch on the SO-DIMM.
4.
A – Connectors
Memory module features
Using the System Drives and Bays 5-11
B – Screw
B – Alignment Notch