HDD/FDD CONTROLLER Hard Disk/Floppy Controller Settings and Configuration

Data Bus	16-bit ISA
Card Size	Full height, half length
Hard Drives Supported	Two ST506/412-MFM devices
Floppy Drives Supported	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Label	Function	Label
20-pin cable connector - primary drive	J1	34-pin cable connector - floppy drive	J4
20-pin data cable connector - secondary drive	J2	2-pin connector - drive active LED	LED
34-pin cable connector - hard drive control	J3

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Hard drive controller address set to 1F0h	J5	Pins 1 & 3 closed
	Hard drive controller address set to 170h	J5	Pins 3 & 5 closed
»	Floppy controller address set to 3F2h	J5	Pins 2 & 4 closed
	Floppy controller address set to 372h	J5	Pins 4 & 6 closed
»	Floppy drive speed set to 360RPM	J6	Open
	Floppy drive speed set to 300RPM	J6	Closed