Because the computer is upside down, the DIP switches numbers are upside down and the ON/OFF orientation is reversed. Take care when changing a DIP switch setting that you are changing the correct switch.

The following tables list the system functions these switches control.

DIP switch settings (SW1)

Switch Setting Function

1

ON*

Not used; must be ON

2

ON*

Selects attached enhanced color display

 

OFF

Selects attached monochrome or color display

3

ON*

Reserved; must be ON

4

ON*

Reserved; must be ON

5

ON*

Reserved; must be ON

6

ON*

Selects expanded LCD mode

 

OFF

Selects standard LCD mode

7

ON

Selects EGA configuration;

 

 

see the CRT/LCD switch settings

 

OFF*

Selects default EGA configuration

8

ON*

Selects default EGA configuration

 

OFF

Selects EGA configuration;

 

 

see the CRT/LCD switch settings

A-4 DIP Switches and Slide Switches