DUAL HARD/DUAL FLOPPY CONTROLLER Hard Disk/Floppy Controller Settings and Configuration

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

CONNECTIONS
Function	Label	Function	Label
34-pin cable connector - floppy drive	J1	34-pin control cable connector - hard drive	J5
20-pin data cable connector - drive 2	J3	4-pin drive active LED	J6
20-pin data cable connector - drive 1	J4

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Floppy drive speed 360RPM	E7	Pins 1 & 2 closed
	Floppy drive speed 300RPM	E7	Pins 2 & 3 closed
»	High density or low density floppy drives connected	E12	Pins 1 & 2 closed
	Low density drives only connected	E12	Pins 2 & 3 closed

BASE I/O ADDRESSES
Setting		E1
»	Primary	Pins 2 & 3, 5 & 6 closed
	Secondary	Pins 1 & 2, 4 & 5 closed