HP COMPAQ 309971-002 Hardware Manual page 87

Hardware Upgrades
9. Insert the memory expansion module:
a. Align the keyed (notched) edge of the module 1 with the
b. Press the module into the slot from a 45-degree angle
Inserting a memory expansion module
8–8
keyed area in the expansion slot.
until it is seated, then push the board downward 2 until
the retention clips snap into place.
Hardware Guide