Apple PC Compatibility Card 7-inch card - Manual (Page 68)

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You can use a single monitor to display both the PC environment and the
Mac OS environment, or you can simultaneously display both environments
on two monitors.
Connecting a single monitor
How you connect a single monitor depends on the kind of computer you have
and whether you installed the internal video connector assembly.
Connecting a single monitor to a Power Macintosh 7200 using the
built-in monitor port
If you’re using a single monitor with the Power Macintosh 7200, simply
connect it to the computer’s built-in monitor port. The internal video
connector allows you to view the PC and Macintosh environments on your
monitor without connecting an extra monitor cable.
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Connecting Monitors and Other Equipment