Apple Mac 8600 - Manual (Page 22)

Basics Ethernet Support - 20
Ethernet Support
There are two Ethernet ports on the PM 8600 and PM
9600/WS 9650 logic boards: an AAUI port and a 10BASE-T
port. You can use only one Ethernet port at one time,
however. If you have cables plugged into both Ethernet
ports, the computer uses the 10BASE-T port by default.
AV Support
The Power Macintosh 8600 comes standard with an AV
module that provides support for: composite video input and
output, S-video input and output, audio input (left and
right), and audio output (left and right).