Epson 386/25 - Manual (Page 45)

Setting the Display Adapter Type
The Setup program can usually detect the exact type of display
adapter you are using with your computer. If you have connected
a VGA monitor to the built-in VGA port, the Setup program
automatically sets the display adapter type. (With this option
you select the type of display adapter you are using-not the
type of monitor.) If you have installed a display adapter card-or
you just want to check the display adapter setting-follow these
steps.
1. At the main Setup menu, highlight Display. A submenu
appears identifying the current display adapter type, such as
the following:
VGA
I
If the display adapter type is correct for your system, you can
skip this section.
Running the Setup Program 2-7