Apple Power Macintosh 9500 Series - Manual (Page 144)

6 Being careful not to touch the sharp edges, pull out the metal access port cover behind
the expansion slot you want to use, and set the access port cover aside.
7 Remove the card from its static-proof bag.
Hold the card by its edges to avoid touching the connector.
Connector
1 Press the two levers
apart that are next to
the card access port
to release the access
port cover.
2 Slide the access port cover out and away from the access port.
134 Appendix B