ADP20F Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, full-height card
Hard drive supported:	Two IDE (AT) Interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
34-pin control cable connector-floppy drive	P1
40-pin AT Interface (IDE) connector	P2
4-pin connector-Drive active LED	P6

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive enabled	E1, E6, E7	closed
	Floppy drive disabled	E1, E6, E7	open
»	Floppy drive change signal enabled	E2	closed
	Floppy drive change signal disabled	E2	open
»	Floppy drive precompensation is 125ns	E3	open
	Floppy drive precompensation is 187ns	E3	closed
»	Single speed floppy drives supported	E4	open
	Dual speed floppy drives supported	E4	closed
»	Older Conner hard drives not supported	E5	open
	Older Conner hard drives supported	E5	closed