Data bus:	32-bit, VL-bus
Size:	Three/quarter-length, half-height card
Hard drive supported:	Four IDE (AT) Interface drives
Floppy drives supported:	Four 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
34-pin control cable connector - floppy drive 1	CN1
25-pin parallel port (LPT1/2/3) - external	CN2
40-pin IDE(AT) Interface (IDE-0)	CN3
4-pin connector - Drive active (IDE-0)	CN4
10-pin serial port (COM1/2/4) - internal	CN5
10-pin serial port (COM1/2/3) - external	CN6
40-pin IDE(AT) Interface (IDE-1)	CN7
4-pin connector - Drive active (IDE-1)	CN8
34-pin control cable connector - floppy drive 2	CN9
15-pin game port - internal	JP2

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	I/O Channel Ready signal disabled	J1	open
	I/O Channel Ready signal enabled	J1	closed
»	Floppy drive compatible mode	J7	pins 2 & 3 closed
	Floppy drive enhanced mode	J7	pins 1 & 2 closed
»	Floppy drive enabled	J8	pins 2 & 3 closed
	Floppy drive disabled	J8	pins 1 & 2 closed
»	Uses VL Ready	J14	pins 2 & 3 closed
	Use CPU Ready	J14	pins 1 & 2 closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Hard drive enabled	J15	pins 2 & 3 closed
	Hard drive disabled	J15	pins 1 & 2 closed
»	Floppy drive port address is 3F0-3F7h	J26	pins 2 & 3 closed
	Floppy drive port address is 370-377h	J26	pins 1 & 2 closed
»	Floppy drive interrupt is IRQ6	J35	closed
	Floppy drive interrupt is disabled	J35	open
»	Game Port enabled	J42	closed
	Game Port disabled	J42	open

HARD DRIVE INTERRUPT REQUEST
Function		J2	J3
»	IRQ14 for IDE-0 (CN3)	open	closed
	IRQ15 for IDE-1 (CN7)	closed	open
	IRQ14 for IDE-0, IRQ 15 for IDE-1	closed	closed
	IDE Interrupt disabled	open	open

PARALLEL PORT (CN2) CONFIGURATION
LPT		J9	J27
»	LPT1	pins 2 & 3 closed	pins 2 & 3 closed
	LPT2	pins 2 & 3 closed	pins 1 & 2 closed
	LPT3	pins 1 & 2 closed	pins 1 & 2 closed
	Disabled	pins 1 & 2 closed	pins 2 & 3 closed

SERIAL PORT 1 (CN6) CONFIGURATION
COM		J10	J11
»	COM1	pins 2 & 3 closed	pins 2 & 3 closed
	COM2	pins 2 & 3 closed	pins 1 & 2 closed
	COM3	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 1 & 2 closed	pins 1 & 2 closed

SERIAL PORT 2 (CN5) CONFIGURATION
COM		J12	J13
	COM1	pins 2 & 3 closed	pins 1 & 2 closed
»	COM2	pins 2 & 3 closed	pins 2 & 3 closed
	COM4	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 1 & 2 closed	pins 1 & 2 closed

HARD DRIVE ADDRESS
IDE 0 Address		IDE 1 Address	J18	J19
	1F0-1F7h	1F0-1F7h	pins 1 & 2 closed	pins 1 & 2 closed
	1F0-1F7h	170-177h	pins 1 & 2 closed	pins 2 & 3 closed
	170-177h	disabled	pins 2 & 3 closed	pins 1 & 2 closed
»	1F0-1F7h	disabled	pins 2 & 3 closed	pins 2 & 3 closed

IDE 0 (CN3) WAIT STATE
Speed		J20	J21	J22
	16MHz VL Bus Clock	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	20 or 25MHz VL Bus Clock	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	25 or 33MHz VL Bus Clock	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	33MHz VL Bus Clock	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
	40MHz VL Bus Clock	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	50MHz VL Bus Clock	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	50MHz VL Bus Clock	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
»	50MHz VL Bus Clock	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

IDE 1 (CN7) WAIT STATE
Speed		J23	J24	J25
	16MHz VL Bus Clock	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	20 or 25MHz VL Bus Clock	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	25 or 33MHz VL Bus Clock	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	33MHz VL Bus Clock	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
	40MHz VL Bus Clock	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	50MHz VL Bus Clock	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
	50MHz VL Bus Clock	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
»	50MHz VL Bus Clock	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

SERIAL PORT 2 (CN5) INTERRUPT REQUEST
IRQ		J30	J31	J32
»	3	open	closed	open
	4	open	bottom (pin 2) of J31 & bottom (pin2) of J32 closed
	5	closed	open	open

SERIAL PORT 1 (CN6) INTERRUPT REQUEST
IRQ		J31	J32	J33
»	4	open	closed	open
	5	open	open	closed
	3	top (pin 1) of J31 & top (pin 1) of J32 closed	open

PARALLEL PORT (CN2) INTERRUPT REQUEST
IRQ		J34	J36
»	Parallel port interrupt is IRQ7	open	closed
	Parallel port interrupt is IRQ5	closed	open

MISCELLANEOUS TECHNICAL NOTES

J16, J17, J28, J29, J37, J38, J39, J40, and J41 are reserved with all pins open - do not alter.