Data bus:	8-bit ISA
Size:	Half-length,full height card
Hard drive supported:	Two MFM ST-506/412 drives
Floppy drives supported:	None

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

DRIVE TYPE SELECTION FOR DRIVE 0
Drive Type	Cylinder Nbr.	Head Nbr.	WPC cyl.	Size	SW1/1	SW1/2	SW1/3	SW1/4
0	306	4	128	10MB	on	on	on	on
1	615	2	300	10MB	off	on	on	on
2	615	4	300	20MB	on	off	on	on
3	615	4	615	20MB	off	off	on	on
4	733	5	300	30Mb	on	on	off	on
5	820	6	820	40MB	off	on	off	on
6	977	5	977	40MB	on	off	off	on
7	612	4	306	20MB	off	off	off	on
8	612	2	306	10MB	on	on	on	off
9	980	5	490	40MB	off	on	on	off
10	695	5	347	28MB	on	off	on	off
11	981	5	490	40MB	off	off	on	off
12	N/A	N/A	N/A	N/A	on	on	off	off
13	N/A	N/A	N/A	N/A	off	on	off	off
14	306	2	128	5MB	on	off	off	off
15	160	4	80	5MB	off	off	off	off
Note: WPC is Write Precompensation.

DRIVE TYPE SELECTION FOR DRIVE 1
Drive Type	Cylinder Nbr.	Head Nbr.	WPC cyl.	Size	SW1/5	SW1/6	SW1/7	SW1/8
0	306	4	128	10MB	on	on	on	on
1	615	2	300	10MB	off	on	on	on
2	615	4	300	20MB	on	off	on	on
3	615	4	615	20MB	off	off	on	on
4	733	5	300	30Mb	on	on	off	on
5	820	6	820	40MB	off	on	off	on
6	977	5	977	40MB	on	off	off	on
7	612	4	306	20MB	off	off	off	on
8	612	2	306	10MB	on	on	on	off
9	980	5	490	40MB	off	on	on	off
10	695	5	347	28MB	on	off	on	off
11	981	5	490	40MB	off	off	on	off
12	N/A	N/A	N/A	N/A	on	on	off	off
13	N/A	N/A	N/A	N/A	off	on	off	off
14	306	2	128	5MB	on	off	off	off
15	160	4	80	5MB	off	off	off	off