WDAT-440 Hard Disk/Floppy Controller Settings and Configuration

CONNECTIONS
Function	Location
34-pin data cable connector-floppy drive	J1
25-pin parallel port-external	J2
40-pin IDE (AT) Interface control cable connector-internal	J5
4 pin connector drive- active LED	J6
9-pin serial port-external	J8

DIRQ14 SIGNAL SELECT
DIRQ		W3	W3
»	DIRQ14 signal passed to host computer	pins 1 & 2 open	pins 2 & 3 closed
	Conner CP342/CP3022 in true IBM AT	pins 1 & 2 closed	pins 2 & 3 open

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy controller enabled	W4	closed
	Floppy controller disabled	W4	open
»	Floppy drive port address is 3F0-3F7h	W4	open
	Floppy drive port address is 370-377h	W4	closed
»	Single speed floppy drive	W5	open
	Dual speed floppy drive	W5	closed
»	Logic ground independent of chassis	W6	open
	Logic ground connected to chassis	W6	closed
»	Printer Interrupt is IRQ7	W7	pins 3 & 4 closed
	Printer Interrupt is IRQ5	W7	pins 1 & 2 closed
»	COM2 Interrupt is IRQ3	W7	pins 5 & 6 closed
	COM2 Interrupt is IRQ4	W7	pins 5 & 7 closed
	COM1 Interrupt is IRQ3	W7	pins 6 & 8 closed
	COM1 Interrupt is IRQ4	W7	pins 7 & 8 closed
»	Printer enabled	W8/jumper 1	closed
	Printer disabled	W8/jumper 1	open
»	Printer address, LPT1 = 378-37Fh	W8/jumper 2	open
	Printer address, LPT2 = 278-27Fh	W8/jumper 2	closed
»	External Serial Port = COM1 (3F8-3FFh)	W8/jumper 3	closed
	External Serial Port = COM3 (3E8-3EFh)	W8/jumper 4	closed
»	Internal Serial Port = COM2 (2F8-2FFh)	W8/jumper 5	closed
	Internal Serial Port = COM4 (2E8-2EFh)	W8/jumper 6	closed
»	Enable intelligent drive interface	W9	closed
	Disable intelligent drive interface	W9	open