Epson Equity 386/33 PLUS Setup Manual page 40

If you have connected your monitor to the computer's built-in
VGA port, select
video card, follow these guidelines to select the correct adapter
type:
adapter (EGA) card, select
multi-mode graphics adapter (MGA) attached to an RGB
(color) monitor, select Color
the color/mono switch on the MGA card to color.)
MGA, or a Hercules MGA attached to a monochrome
monitor, choose Monochrome. (Also remember to set the
color/mono switch on the MGA card to mono.)
television with a video input, try selecting Color 80x25.
If the monitor's resolution is poor, run SETUP again and
select Color 40x25.
If you have two display adapters of different types, select the
setting for the one you want to be your primary display
adapter. The other one is your secondary adapter.
If you have installed an EGA or VGA display adapter card, or
another type of card that you want to be the primary display
adapter, you must set jumper J1 on the main system board to
position B to disable the built-in VGA interface.
If you install one type of display adapter card and then change
the type of monitor you are using (from color to monochrome
or vice-versa), you also need to set jumper J4. If you have two
types of cards, set the jumper to match the monitor that is your
primary display. See Chapter 4 in the User's Guide for
instructions on changing jumper settings.
If you installed an optional
or EGA.
VGA
VGA
Running the SETUP Program
or .
EGA
(Also be sure to set
80x25.
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