Category	Video/Multi I/O
Video Types Supported	CGA/Monochrome
Video Processor	Unidentified
Highest Resolution Supported	640 x 400
Data Bus Type	8-bit ISA
Memory Type	N/A
Maximum Onboard Memory	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
15-pin analog video port	CN1	6-pin light pen connector	CN5
Composite video jack	CN2	16-pin game/MIDI port	CN7
9-pin mouse port	CN3	26-pin parallel port interface	CN8

COMPOSITE DISPLAY CONFIGURATION
Setting		J1
»	Color	Pins 1 & 2 closed
	Mono	Pins 2 & 3 closed

MOUSE INTERRUPT SELECTION
IRQ		J2	J6/SW2	J6/SW3	J6/SW4	J6/SW5
»	2	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
	3	Pins 3 & 4 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
	4	Pins 5 & 6 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	5	Pins 7 & 8 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed

COLOR FREQUENCY CONFIGURATION
Setting		J3
»	Color display 14.31818MHz clock	Pins 1 & 2 closed
	Monochrome 16MHz clock	Pins 3 & 4 closed
	640 x 400 display 23.4 MHz clock	Pins 5 & 6 closed

PARALLEL PORT CONFIGURATION
Setting		J4/SW1
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed

GAME PORT CONFIGURATION
Setting		J4/SW2
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed

VERTICAL SYNCHRONIZE PULSE CONFIGURATION
Setting		J5/SW1
»	Positive	Pins 1 & 2 closed
	Negative	Pins 2 & 3 closed

HORIZONTAL SYNCHRONIZE PULSE CONFIGURATION
Setting		J5/SW2
»	Positive	Pins 1 & 2 closed
	Negative	Pins 2 & 3 closed

DISPLAY MODE SELECTION
Mode		J5/SW3	J5/SW4	J5/SW5
»	Color/graphics display	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	Composite color graphics display	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	Composite monochrome graphics display	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	640 x 400 color graphics display	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	Monochrome graphics display	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled all display modes	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

MOUSE PORT CONFIGURATION
Setting		J6/SW1
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed