Data bus:	16-bit, ISA
Size:	Full-length, full-height card
Hard drive supported:	Two MFM ST506/412 drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Maximum heads/cyl.:	16 heads and 2048 cylinders

CONNECTIONS
Function	Location
4-pin connector-drive active LED	CN1
20-pin data cable connector-drive 1	CN2
20-pin data cable connector-drive 0	CN3
34-pin control cable connector-hard drive	CN4
34-pin data cable connector-floppy drive	CN5

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	WD11C00C-22 in socket U16	JP1	pins 1 & 2 closed
	WD11C00-22 in socket U8 & JP5 pins 1 & 2 closed	JP1	pins 2 & 3 closed
»	Logical translation for drive 0 disabled	JP2	open
	Logical translation for drive 0 enabled	JP2	closed
»	Logical translation for drive 1 disabled	JP2A	open
	Logical translation for drive 1 enabled	JP2A	closed
»	Not used	JP2B	open
»	Factory configured - do not alter	JP3 & JP3A	closed
»	Hard drive port address is 1F0-1F7h	JP4	pins 2 & 3 closed
	Hard drive port address is 170-177h	JP4	pins 1 & 2 closed
»	Floppy drive port address is 3F0-3F7h	JP4A	pins 2 & 3 closed
	Floppy drive port address is 370-377	JP4A	pins 1 & 2 closed
»	8 head hard drive or RWC (hard-wired)	JP5	pins 1 & 2 closed
	16 head hard drive supported	JP5	pins 2 & 3 open
»	Supports 300 or 360 RPM floppy disk drives	JP7	pins 2 & 3 closed
	Supports dual speed spindle floppy drives	JP7	pins 1 & 2 closed