Compaq Armada V300 Series Reference Manual page 103

For a list of the memory expansion boards available for the
computer, refer to Compaq Worldwide Telephone Numbers for
the nearest Compaq authorized dealer, reseller, or service
provider.
The computer only supports SDRAM (synchronous
DRAM) memory expansion boards. If you install a different type
of memory expansion board, you will receive the following
message when you restart the computer:
This unit only supports SDRAM.
If you receive this message, turn the computer off and remove the
newly installed memory expansion board.
1. Shut down and turn off the computer. Disconnect any external
cables.
2. Remove the security screw from the bottom of the
computer.
3. Release the keyboard by successively inserting a paper clip or
similar instrument into the four keyboard releases
4. Lift the keyboard .
.