EGA video card Settings and Configuration

Category	Video
Video Types Supported	EGA/Monochrome
Video Processor	Unidentified
Highest Resolution Supported	640 x 350
Data Bus Type	8-bit ISA
Memory Type	DRAM
Maximum Onboard Memory	256KB

CONNECTIONS
Purpose	Location	Purpose	Location
15-pin analog video port	CN1	RCA connector	CN3
RCA connector	CN2	InPort interface	CN4

PORT ADDRESS CONFIGURATION
Port		P1
»	3xx	Pins 2 & 3 closed
	2xx	Pins 1 & 2 closed

SLOT LOCATION CONFIGURATION
Setting		P2
»	Card in not installed in slot 8	Pins 2 & 3 closed
	Card is installed in slot 8	Pins 1 & 2 closed

INPORT INTERFACE CONFIGURATION
Setting		P3
»	Enabled	Closed
	Disabled	Open

INPORT INTERRUPT SELECTION
IRQ		P4
»	2	Pins 1 & 2 closed
	3	Pins 3 & 4 closed
	4	Pins 5 & 6 closed
	5	Pins 7 & 8 closed
	10	Pins 9 & 10 closed
	11	Pins 11 & 12 closed
	12	Pins 13 & 14 closed
	15	Pins 15 & 16 closed
Note: IRQ10, 11, 12 and 15 are reserved for future use.

MONITOR TYPE SELECTION
Type		P5
»	Enhanced color or/Auto-scanning display	Pins 1 & 2 closed
	IBM monochrome/IBM color display	Pins 2 & 3 closed

INPORT INTERFACE SELECTION
Setting		P6
»	Primary	Pins 2 & 3 closed
	Secondary	Pins 1 & 2 closed

DUAL MONITOR CONFIGURATION
Primary (Thompson EGA)	Secondary	SW1/1	SW1/2	SW1/3	SW1/4
Monochrome	Color 40 x 25	Off	On	Off	On
Monochrome	Color 80 x 25	Off	On	Off	Off
Color 40 x 25	Monochrome	On	Off	Off	On
Color 80 x 25	Monochrome	On	Off	Off	Off
CGA 320 x 200	Monochrome	Off	On	On	On
EGA 640 x 350	Monochrome	Off	On	On	Off

DUAL MONITOR CONFIGURATION
Primary	Secondary (Thompson EGA)	SW1/1	SW1/2	SW1/3	SW1/4
Color 40 x 25	Monochrome	On	Off	On	On
Color 80 x 25	Monochrome	On	Off	On	Off
Monochrome	Color 40 x 25	On	On	On	On
Monochrome	Color 80 x 25	On	On	On	Off
Monochrome	CGA 320 x 200	On	On	Off	On
Monochrome	EGA 640 x 350	On	On	Off	Off