Apple Macintosh Performa 6300CD Series - Manual (Page 112)

4 Press down on the card until the connector is solidly in place.
Don’t force the card. If you meet resistance, pull the card out and try again.
To see if the card is properly connected, lift it gently. If it resists and stays in
place, it’s connected.
Installing a communication card
Some Macintosh computers come with a communication card already
installed.
1 If your communication card has ports for connecting equipment, remove the plastic
access cover from the vertical plate.
2 Remove the communication card from its static-proof bag.
Hold the card by its edges to avoid touching any connectors on the card.
Communication slot
Push the two plastic tabs apart and pull off the
metal retainer so the access cover can come off.
Vertical plate
Metal retainer
102 Appendix B