AHA-1542CF, AHA-1540CP, AHA-1542CF, AHA-1542CP Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, full-height card
Hard drive supported:	Up to seven SCSI drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
50-pin SCSI connector - internal	CN1
50-pin SCSI connector - external	CN2
34-pin control cable connector - floppy drive	CN3
4-pin connector - drive active LED	CN4

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	SCSI Termination set through software	SW1/1	off
	SCSI Termination enabled	SW1/1	on
»	Floppy drive enabled	SW1/5	off
	Floppy drive disabled	SW1/5	on

I/O PORT ADDRESS SELECTION
Address		SW1/2	SW1/3	SW1/4
»	330-333h	off	off	off
	334-337h	on	off	off
	230-233h	off	on	off
	234-237h	on	on	off
	130-133h	off	off	on
	134-137h	on	off	on
	Reserved	off	on	on
	Reserved	on	on	on

BIOS ADDRESS SELECTION
Address		SW1/6	SW1/7	SW1/8
»	DC000h	off	off	off
	D8000h	on	off	off
	D4000h	off	on	off
	D0000h	on	on	off
	CC000h	off	off	on
	C8000h	on	off	on
	Reserved	off	on	on
	Disabled	on	on	on