HP Compaq NX6105 Hardware And Software Manual page 134

To insert a memory module:
a. Align the keyed (notched) edge of the module with the
b. With the module at a 45-degree angle from the surface
c. Push the module downward until the retention clips snap
Hardware and Software Guide
keyed area in the memory slot 1.
If you are inserting a single memory module into a vacant
memory compartment, insert the module into the lower
slot. (The following illustration shows a memory module
being inserted into the second slot of a memory
compartment that already contains a memory module.)
of the memory compartment, press the module into the
memory slot until it is seated 2.
into place 3.
Hardware Upgrades and Replacements
7–21