WD90C33 video card Settings and Configuration

Card Type	Video card
Video Chip Set	Western Digital
Maximum Video Memory	2MB DRAM
Video Types Supported	VGA
Highest Resolution Supported	1280 x 1024
Data Bus	32-bit VESA Local Bus

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

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	80486 CPU	JP11	Pins 2&3
	80386 CPU	JP11	Pins 1&2
»	Date or code status - disconnected from the VL bus	JP12	Pins 1&2
	Data or code status - connected to the VL bus	JP12	Pins 2&3
»	VESA local bus	JP45	Closed
	ISA bus	JP45	Open
»	Configuration option	JP46	Closed
»	Local bus timing is 2 clocks	JP47	Closed
	Local bus timing is 4 clocks	JP47	Open
»	Refresh setting - 60Hz in mode 3, 12, 5E, 5F	JP48	Closed
	Refresh setting - 72Hz in mode 3, 12, 5E, 5F	JP48	Open

RESOLUTION AND REFRESH SETTINGS - 800 X 600, 16 OR 256 COLOR
Function		JP41	JP42
»	Vert: 56Hz, non-interlaced; Horiz: 35.3-KHz	Open	Open
	Vert: 72Hz, non-interlaced; Horiz: 48.2+KHz	Closed	Open
	Vert: 60Hz, non-interlaced; Horiz: 38.0+KHz	Open	Closed
	Vert: 56Hz, non-interlaced; Horiz: 35.3-KHz	Closed	Closed

RESOLUTION AND REFRESH SETTINGS - 1024 X 768
Function		JP43	JP44
»	Vert: 86.7Hz, interlaced; Horiz: 35.4+KHz	Open	Open
	Vert: 70Hz, non-interlaced; Horiz: 56.6-KHz	Closed	Open
	Vert: 60Hz, non-interlaced; Horiz: 48.5-KHz	Open	Closed
	Vert: 72Hz, non-interlaced; Horiz: 59.7-KHz	Closed	Closed

VIDEO MEMORY CONFIGURATION (DRAM)
Size	Bank 0	Bank 1
1MB	(8) 128KB x 8	None
2MB	(8) 128KB x 8	(8) 128KB x 8