HBA-16 (REVISION 1) Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Three/quarter-length, full-height card
Hard drive supported:	Two IDE (AT) Interface drives
Hard drive supported:	Up to seven SCSI devices
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
50-pin SCSI connector - external	J1
50-pin SCSI connector - internal	J2
40-pin AT Interface (IDE) connector	J3
4-pin connector-Drive active LED	J8
34-pin control cable connector-floppy drive	J9
34-pin control cable connector-floppy drive (not used)	J10

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Interrupt Requests IRQ3, 5, 7, and 11 disabled	J4/jumpers 1-4	open
	Interrupt Requests IRQ3, 5, 7, and 11 enabled	J4/jumpers 1-4	closed
»	Hard drive enabled	J5	open
	Hard drive disabled	J5	closed
»	Floppy drive enabled	J6	open
	Floppy drive disabled	J6	closed
»	I/O port address is 1E0-1EFh	SW1/switch 4	off
	I/O port address is 3E0-3EFh	SW1/switch 4	on

BIOS ADDRESS
Address		SW1/switch 1	SW1/switch 2	SW1/switch 3
»	CC000h	off	off	off
	D0000h	on	off	off
	D4000h	off	on	off
	D8000h	on	on	off
	DCOO0h	off	off	on
	C4000h	on	off	on
	C8000h	off	on	on
	Disabled	on	on	on

SCSI ID
ID		SW1/switch 5	SW1/switch 6	SW1/switch 7
»	7	off	off	off
	6	on	off	off
	5	off	on	off
	4	on	on	off
	3	off	off	on
	2	on	off	on
	1	off	on	on
	0	on	on	on

MISCELLANEOUS TECHNICAL NOTES

SW1/switch 8 and Jumper J7 are not used.