MODEL 12 IO card Settings and Configuration

Card Type	Floppy drive/Tape controller
Chip Set	Unidentified
Maximum Onboard Memory	None
I/O Options	Floppy drive interface (2)
Data Bus	8-bit ISA
Floppy drives supported	Four 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB drives

CONNECTIONS
Function	Label	Function	Label
2.88 Mb floppy/tape drive interface	J2	Floppy drive interface	J3

BIOS ADDRESS SELECTION
Address		J4
	C800h - C9FFh	Pins 5 &6, 9 & 10 closed
»	CC00h - CDFFh	Pins 5 & 6, 11 & 12 closed
	D000h - 1DFFh	Pins 7 & 8, 9 & 10 closed
	E000h - E1FFh	Pins 7 & 8, 11 & 12 closed

FLOPPY DRIVE CONFIGURATION
Setting		J4
	Primary	Pins 1 & 2 closed
»	Secondary	Pins 3 & 4 closed

INTERRUPT SELECTION
IRQ		J6
	3	Pins 1 & 2 closed
	5	Pins 3 & 4 closed
»	6	Pins 5 & 6 closed

DMA CHANNEL SELECTION
Channel		J5
	1	Pins 1 & 2 closed
»	2	Pins 3 & 4 closed
	3	Pins 5 & 6 closed