NUMBER NINE VISUAL TECHNOLOGY

#9GXITC

Category	Video
Video Types Supported	XVGA
Video Processor	TMS34020
Highest Resolution Supported	1280 X 1024
Data Bus Type	16-bit ISA
Memory Type	DRAM/VRAM
Maximum Onboard Memory	4096KB DRAM/4096KB VRAM

CONNECTIONS
Purpose	Location	Purpose	Location
15-pin analog video port	CN1	External VGA loop-through connector	CN3
15-pin analog video port	CN2	Self-test LED	LED

I/O ADDRESS CONFIGURATION
Address		SW1/1	SW1/2	SW1/3
»	2A0h - 2AFh	On	Off	On
	280h - 28Fh	On	On	On
	290h - 29Fh	On	On	Off
	2B0h - 2BFh	On	Off	Off
	2C0h - 2CFh	Off	On	Off
	2D0h - 2DFh	Off	On	Off
	2E0h - 2EFh	Off	On	On
	Reserved	Off	Off	Off

MONITOR TYPE CONFIGURATION
Type	SW1/5
Single monitor: #9GXi with on-board VGA	On
Single monitor #9gxi with external VGA	Off
Dual monitor: #9GXi with on-board VGA	On
Dual monitor #9gxi with external VGA	Off

VGA BIOS TRANSFER CONFIGURATION
Setting		SW1/6
»	Access BIOS data in word mode (16-bit)	On
	Access BIOS data in byte mode (8-bit)	Off

MONOCHROME EMULATION CONFIGURATION
Setting		SW1/7
»	Disabled	Off
	Enabled	On

MEM 16 DECODE CONFIGURATION
Setting		JM1
»	Use low and high-order address signals	Pins 2 & 3 closed
	Use only high-order address signals	Pins 1 & 2 closed

I/O 16 SIGNAL CONFIGURATION
Signal		JM2
»	Unqualified	Open
	Qualified	Closed

FACTORY CONFIGURED - DO NOT ALTER
Switch	Position
SW1/switch 4	On
SW1/switch 8	On

DRAM /VRAM CONFIGURATION
Size	DRAM	JM3
1024KB	(8) 256K x 4 ZIP	Pins 1 & 2 closed
4096KB	(8) 1M x 4 ZIP	Pins 2 & 3 closed

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