Apple PC Compatibility Card - Manual (Page 337)

The PC Compatibility Card lets you use DOS, Windows 3.1, Windows 3.11,
Windows for Workgroups, and Windows 95 applications directly on your
Macintosh computer.
Also available for use with this card is a PC Serial and Parallel Card, with a
standard PC RS-232 serial interface and PC-enhanced parallel interface, that
allows you to use PC-compatible printers, modems, and security dongles
from the PC environment. (This card is available from your Apple-
authorized dealer.)
With a PC Compatibility Card, you can
m simultaneously run Mac OS and PC applications
m switch between the Mac OS and PC environments at any time without
quitting the applications you’re using
m view both environments simultaneously on two monitors
m use the same hard disk for both Mac OS and PC software and files
m use your Macintosh-compatible keyboard and one-button or multibutton
Apple Desktop Bus (ADB) mouse with PC software
m use your Macintosh-compatible modem, monitor, and printer with PC
software, or connect some kinds of PC-compatible equipment
m use a joystick or other game controller with PC applications
m connect MIDI equipment (with an appropriate adapter)
m add random-access memory (RAM) to the PC Compatibility Card
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Preface