L90 GRAPHICS ACCELERATOR CARD Hard Disk/Floppy Controller Settings and Configuration

Data bus:	VESA local bus
Size:	Full-length, full-height card
Hard drive supported:	Two IDE (AT) Interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
25-pin parallel port (LPT1/2) - external	CN1
15-pin analog video port	CN2
10-pin serial port (COM2/4) - internal	CN3
10-pin serial port (COM1/3) - internal	CN4
16-pin game port	CN5
34-pin control cable connector - floppy drive	CN6
Feature Connector	CN7
40-pin IDE (AT) Interface connector	CN8

USER CONFIGURABLE SETTINGS
Function		Location	Setting
	RDYRTN#	JP3	pins 1 & 2 closed
»	LRDY#	JP3	pins 2 & 3 closed
»	Hard disk drive - enabled	JP7	closed
	Hard disk drive - disabled	JP7	open
»	CPU speed <= 33mhz	JP11	open
	CPU speed > 33mhz	JP11	closed
»	Parallel port - IRQ7	JP14	pins 2 & 3 closed
	Parallel port - IRQ5	JP14	pins 1 & 2 closed
»	Floppy controller - enabled	JP15	pins 1 & 2 closed
	Floppy controller - disabled	JP15	pins 2 & 3 closed

VGA MODE SELECT
Setting		JP5	JP4
»	Enabled	pins 2 & 3 closed	pins 2 & 3 closed
	Disabled	pins 1 & 2 closed	pins 1 & 2 closed

COM PORT SELECT
Serial 1		Serial 2	JP12	JP13
»	COM 1 - (3F8H)	COM 2 - (2F8H)	pins 2 & 3 closed	pins 1 & 2 closed
	COM 1 - (3F8H)	COM 4 - (2E8H)	pins 1 & 2 closed	pins 1 & 2 closed
	COM 3 - (3E8H)	COM 4 - (2E8H)	pins 2 & 3 closed	pins 2 & 3 closed
	COM 2 - (2F8H)	COM 3 - (3E8H)	pins 1 & 2 closed	pins 2 & 3 closed

PARALLEL PORT SELECT
Setting		JP16	JP17
»	LPT2 - (378h)	pins 1 & 2 closed	pins 1 & 2 closed
	LPT1 - (2BCh)	pins 1 & 2 closed	pins 2 & 3 closed
	LPT3 - (278h)	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	pins 2 & 3 closed	pins 2 & 3 closed

COM PORT SELECT
Serial 1		Serial 2	JP18	JP19	JP21
»	Enabled	Enabled	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
	Enabled	Disabled	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	Enabled	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	Disabled	pins 2 & 3 closed	pins 2 & 3 closed	N/A

MEMORY BANK CONFIGURATION
Size	Bank 0	Bank 1
1 MB	(2) 512K x 9	NONE
2 MB	(2) 512K x 9	(8) 256K x 4