Data Bus	8-bit ISA
Card Size	Full-height, half-length card
Hard Drives supported	Two ST-506/412(MFM) drives
Floppy drives supported	None

CONNECTIONS
Function	Location	Function	Location
34-pin control cable connector - hard drive	J1	20-pin data cable connector - drive 1	J3
20-pin data cable connector - drive 0	J2	4-pin connector - drive active LED	LED1

DRIVE 0 TYPE SELECTION
Parameters
	Cylinders	Heads	JP1/A	JP1/B	JP1/C	JP1/D
»	306	4	Open	Open	Open	Open
	306	4	Closed	Open	Open	Open
	612	2	Open	Closed	Open	Open
	612	2	Closed	Closed	Open	Open
	612	4	Open	Open	Closed	Open
	612	4	Closed	Open	Closed	Open
	306	8	Open	Closed	Closed	Open
	640	4	Closed	Closed	Closed	Open
	440	6	Open	Open	Open	Closed
	695	5	Closed	Open	Open	Closed
	640	6	Open	Closed	Open	Closed
	733	5	Closed	Closed	Open	Closed
	612	8	Open	Open	Closed	Closed
	977	5	Closed	Open	Closed	Closed
	306	2	Open	Closed	Closed	Closed
	Reserved	-	Closed	Closed	Closed	Closed
Note: Capacity and step rates for the above drives are unidentified.

DRIVE 1 TYPE AND MODE SELECTION
Parameters
	Cylinders	Heads	JP5	JP6	JP7
»	Drive disabled	Open	Open	Open
	Cyls. & heads same as drive 0	Closed	Open	Open
	306	4	Open	Closed	Open
	612	2	Closed	Closed	Open
	612	4	Open	Open	Closed
	612	4	Closed	Open	Closed
	Reserved	Open	Closed	Closed
	Split mode (Drive 0 split into 2 logical drives)	Closed	Closed	Closed
Note: Capacity and step rates for the above drives are unidentified.