8900 VGA MASTER (FOUR LAYER) video card Settings and Configuration

Card Type	Video card
Video Chip Set	Unidentified
Maximum Video Memory	8MB DRAM
Video Types Supported	MGA, CGA, EGA, VGA
Highest Resolution Supported	1024 x 768
Data Bus	16-bit ISA

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

USER CONFIGURABLE SETTINGS
Function		Label	Position
	DRAM clock at 40 MHz (2 DRAM)	JP1	Pins 2 & 3 closed
	DRAM clock at 48 MHz (4/8 DRAM)	JP1	Pins 1 & 2 closed
»	Factory configured - do not alter	SW1/1	On
»	Factory configured - do not alter	SW1/2	On
»	Less than 48KHz scan rate	SW1/3	On
	48-49KHz scan rate	SW1/3	Off
»	Factory configured - do not alter	SW1/4	On
»	Fast address decode	SW1/5	Off
	Slow address decode	SW1/5	On
»	16 bit data path	SW1/6	Off
	8 bit data path	SW1/6	On

DRAM JUMPER CONFIGURATION
Size	JP3	JJ1/A	JJ1/B	JJ1/C	JJ1/D
2MB	Pins 1 & 2, 4 & 5	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2
4MB	Pins 1 & 4, 2 & 5	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2
8MB	Pins 2 & 3, 5 & 6	Pins 2 & 3	Pins 2 & 3	Pins 2 & 3	Pins 2 & 3
Note: Pins indentified are in the closed position

DRAM JUMPER CONFIGURATION
Size	JJ1/E	JJ1/F	JJ1/G	JJ1/H	JJ1/I
2MB	Pins 1 & 2, 4 & 5	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2
4MB	Pins 1 & 4, 2 & 5	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2	Pins 1 & 2
8MB	Pins 2 & 3, 5 & 6	Pins 2 & 3	Pins 2 & 3	Pins 2 & 3	Pins 2 & 3
Note: Pins indentified are in the closed position

BUS SIZE SELECTION
Setting		JP4
»	Autodetect	Pins 2 & 3 closed
	Standard interface	Pins 1 & 2 closed

IRQ INTERRUPT SELECTION
Setting		J2
»	IRQ9 disabled	Pins 2 & 3 closed
	IRQ9 enabled	Pins 1 & 2 closed