User's Manual

DIP switch settings for video controller (SW1)
CRT/LCD
Switch settings
Configuration
7
8 9 10
Selects MDA (monochrome
OFF ON OFF OFF
display adapter) to use
monochrome display (CRT only)
Selects CGA (color graphics
adapter) to use color or
enhanced color display;
40 characters x 25 lines
ON OFF OFF ON
Selects CGA to use color
or enhanced color display;
80 characters x 25 lines
ON OFF OFF
OFF
Selects EGA (enhanced
graphics adapter) to use
enhanced color display
in normal mode
OFF ON ON ON
Selects EGA (enhanced
graphics adapter) to use
enhanced color display
in enhanced mode
OFF ON ON OFF
The following switches are located on SW1. These DIP
switches define how the video controller is interpreted by the
computer.
Switch l-This switch is not used and must always be set to
ON.
Switch 2-This switch defines the type of external monitor
attached to the computer.
Set this switch to ON if you have attached an external EGA
monitor.
Set this switch to OFF if you have attached an external
monochrome or RGB monitor.
A-6 DIP Switches and Slide Switches