Compaq Armada V300 Series Reference Manual page 104

5. Insert the memory expansion board into the empty memory
expansion slot
place until it is seated while tilted.
A memory expansion board is asymmetrically keyed
(notched) to ensure correct positioning.
6. Push the memory expansion board down
clips snap back into place.
!
7. Replace the keyboard.
8. Reconnect external cables and turn on the computer.
at a 45-degree angle. Then slide it gently into
until the retention