Apple Power Macintosh 4400 - Manual (Page 168)

4 Remove the communication card from its static-proof bag.
Hold the card by its edges to avoid touching its connectors.
Note: If the card you are installing is a thin coax Ethernet card, you must first
remove the T-connector on the card to fit the connector through the port cover.
5 Align the card over the communication slot.
The communication slot is the bottommost slot on the riser card that extends
from the main logic board and holds the expansion card slots.
6 Check the external connector on your card, see which of the following two illustrations
matches the card you have, and install the card according to the illustration.
If the card has a hook, make sure it engages the hole in the access cover
before you push the card into the slot.
Communication card slot
Communication card
Communication card
access cover
If your communication card
has a hook on it (as shown here),
be sure that the hook engages
the hole in the access cover.
168 Appendix B