Epson Apex User Manual page 23

configuration. Do not change them unless you are adding
option cards that require different settings. Appendix A
describes how to set these switches if you change your
system configuration.
Parallel port. Lets you connect any printer or plotter with a
parallel interface.
Serial port. Lets you connect any serial device, such as a
serial printer or a mouse.
Option card access slots. The Apex has space for five option
cards to control any peripheral devices you add. The
multi-graphics adapter (MGA) card, which allows you to
use either a monochrome or color monitor, occupies one of
these slots. If you have an Apex Plus 20, the hard disk
controller card occupies another slot. You can use the other
slots to add special devices, such as an internal modem, to
your Apex system.
Monitor port. Lets you connect an RGB color graphics
monitor or a TTL monochrome monitor.
Color/mono switch. Set this switch to color or mono,
depending on the type of monitor you are using.
Game port. Lets you connect a joystick, track ball, or other
pointing device.
1-8 Setting Up Your System