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1200SX DATASHADOW SCSI CONTROLLER

PERCEPTIVE SOLUTIONS, INC.

1200SX DATASHADOW SCSI CONTROLLER

Card Type

Floppy drive controller, Hard drive controller card

Hard Drives supported

Up to 7 SCSI devices

Floppy drives supported

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

Data Bus

16-bit ISA

Card Size

Three-quarter length, full-height card

CONNECTIONS

Function

Location

Function

Location

4-pin connector - drive active LED

CN1

34-pin cable connector - floppy drive

CN3

50-pin SCSI connector - internal

CN2

50-pin SCSI connector - external

CN4

USER CONFIGURABLE SETTINGS

Function

Label

Position

SCSI termination enabled

SW1/A

On

 

SCSI termination disabled

SW1/A

Off

HSOS load enabled

SW1/B

Off

 

HSOS load disabled

SW1/B

On

Floppy motor speed

SW1/C

Off

Floppy drive enable

SW1/F

Off

 

Floppy drive disable

SW1/F

On

Port address is 37x-3Fxh

SW1/G

Off

 

Port address is 17x-37xh

SW1/G

On

INTERRUPT SELECTION

Interrupt

SW1/C

SW1/D

IRQ14

Off

Off

IRQ15

Off

On

BIOS ADDRESS SELECTION

Address

SW1/H

SW1/I

SW1/J

CA00h

On

Off

Off

C800h

On

Off

On

D000h

Off

Off

Off

D400h

Off

On

On

D800h

Off

On

Off

DA00h

Off

Off

On

BIOS disabled

On

On

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256KB x 9

None

1MB

(2) 256KB x 9

(2) 256KB x 9

2MB

(2) 1MB x 9

None

4MB

(2) 1MB x 9

(2) 1MB x 9

8MB

(2) 4MB x 9

None

16MB

(2) 4MB x 9

(2) 4MB x 9