MVGA-T8900AS VGA GRAPHICS ADAPTER (VER.3) video card Settings and Configuration

Card Type	Video card
Video Chip Set	Unidentified
Maximum Video Memory	1MB
Video Types Supported	VGA, EGA, Monochrome, CGA
Highest Resolution Supported	1024 x 768,
Data Bus	16-bit ISA

CONNECTIONS
Function	Label	Function	Label
Feature connector	CN1	15-pin analog video port	CN2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	SW1/4	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
256KB	256KB x 4	None	None
512KB	256KB x 4	256KB x 4	None
1MB	256KB x 4	256KB x 4	256KB x 4

DRAM JUMPER CONFIGURATION
Size	J3	JP1	JP2
256KB	Pins 1 & 2, 4 & 5 closed	Open	Closed
512KB	Pins 1 & 4, 2 & 5 closed	Open	Closed
1MB	Pins 2 & 3, 5 & 6 closed	Closed	Open

SCAN RATE SELECTION
Rate		SW1/3
»	<48KHz	On
	48 - 49Khz	Off

ADDRESS DECODE SPEED SELECTION
Setting		SW1/5
»	Fast address decode	Off
	Slow address decode	On

DATA PATH SELECTION
Setting		SW1/6
»	16-bit data path	Off
	8-bit data path	On

MONITOR COMFIGURATION SELECTION
Setting		SW1/1	SW1/2
»	VGA mode	On	On
	EGA mode	Off	On
	CGA mode	On	Off
	Monochrome/Hercules mode	Off	Off

BUS SIZE SELECTION
Setting		J2
»	Autodetect	Pins 2 & 3 closed
	Standard interface	Pins 1 & 2 closed

IRQ INTERRUPT SELECTION
Setting		J1
»	IRQ9 disabled	Pins 2 & 3 closed
	IRQ9 enabled	Pins 1 & 2 closed