PERCEPTIVE SOLUTIONS, INC.

PATHFINDER PSI-2100

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