Epson Epson - Manual (Page 89)

3. Hold the card along the top corners and guide it into the slot
(If you are installing a full-length card, insert the front edge
of the card into the corresponding guide inside the
computer’s front panel.)
Once the connectors reach the slot, push the card in firmly
but carefully. You should feel the card fit into place. If it
does not go in smoothly, do not force it; pull the card all the
way out and try again.
4. Secure the end of the card to the computer with the retaining
screw.
5. Replace the computer’s cover as described under “Replacing
the Cover.” Then see “Post-installation Procedures” for
instructions on configuring your computer with your new
option card.
4-26 Installing and Removing Options