INFORMTECH INTERNATIONAL, INC.

IT-VGA2

Category	Video
Video Types Supported	XVGA
Video Processor	Tseng Laboratories
Highest Resolution Supported	1024 x 768
Data Bus Type	16-bit ISA
Memory Type	DRAM
Maximum Onboard Memory	1MB

CONNECTIONS
Purpose	Location	Purpose	Location
15-pin analog video port	CN1	VESA feature connector	CN2

BIOS ADDRESS
Address Range		J1
»	C0000h - C7FFFh	Pins 2 & 3 closed
	C0000h - DFFFFh	Pins 1 & 2 closed

EARLY #MEMCS
Setting		J2
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed

PIXEL CLOCK DELAY
Setting		J3
»	Normal	Pins 1 & 2 closed
	20ns delay	Pins 2 & 3 closed

INTERRUPT REQUEST
IRQ9		J4
»	Disabled	Open
	Enabled	Closed

VIDEO MEMORY CONFIGURATION
Size		Bank 0	Bank 1	Bank 2
»	256KB	(2) 256K x 4	NONE	NONE
	512KB	(2) 256K x 4	(2) 256K x 4	NONE
	1MB	(2) 256K x 4	(2) 256K x 4	(4) 256K x 4

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