PATHFINDER PSI-2100 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit ISA
Size:	Half-length, full-height card
Hard drive supported:	Up to seven Fast SCSI-2 devices
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
50-pin SCSI connector - external	P1
34-pin cable connector - floppy drive	P2
50-pin SCSI connector - internal	P3
4-pin connector - drive active LED	P4

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive interface is primary	J6	Open
	Floppy drive interface is secondary	J6	Closed
»	Factory configured - do not alter	J7/pins 5 & 6	N/A
»	Factory configured - do not alter	J7/pins 7 & 8	N/A
»	Hard drive format £	J8/pins 1 & 2	Closed
	Hard drive format > 1 GB (255 heads x 63 sectors)	J8/pins 1 & 2	Open
»	Factory configured - do not alter	J8/pins 3 & 4	N/A
»	Synchronous Negotiation enabled	J8/pins 5 & 6	Open
	Synchronous Negotiation disabled	J8/pins 5 & 6	Closed
»	Factory configured - do not alter	J15	N/A

BIOS ADDRESS SELECTION
Address		J7/pins 13 & 14	J7/pins 15 & 16
	C8000-CFFFFh	Open	Closed
	D0000-D7FFFh	Closed	Open
»	D8000-DFFFFh	Open	Open

INTERRUPT SELECTION
INT		J4	J8/pins 7 & 8	J11
	10	Pins 1 & 2 closed	Open	Pins 1 & 2 closed
»	11	Pins 1 & 2 closed	Closed	Pins 3 & 4 closed
	12	Pins 2 & 3 closed	Closed	Pins 5 & 6 closed
	14	Pins 2 & 3 closed	Open	Pins 7 & 8 closed

DMA SELECTION
Channel		J2	J5	J13
»	6	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	7	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

DMA TRANSFER RATE SELECTION
Rate		J7/pins 1 & 2	J7/pins 3 & 4	J7/pins 9 & 10	J7/pins 11 & 12
»	5.0 MB/sec	Closed	Open	Closed	Open
	5.56 MB/sec	Open	Closed	Closed	Open
	6.25 MB/sec	Closed	Closed	Closed	Open
	7.14 MB/sec	Open	Closed	Open	Closed