...because we can't all be on the bleeding edge...





WD7000-ASC, WD7000-FASST

WESTERN DIGITAL CORPORATION

WD7000-ASC, WD7000-FASST

Data bus: 16-bit, PC/AT

Size: Full-length, full-height card

Hard Drives Supported: Up to seven SCSI devices

Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

4-pin connector-drive active LED

CN1

34-pin data cable connector-floppy drive

CN2

50-pin SCSI connector-internal

CN3

DB25 SCSI connector-external

CN4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Termination power enabled

JP5

closed

 

Termination power disabled

JP5

open

Single-speed floppy supported

JP7

open

 

Dual-speed floppy supported

JP7

closed

Write precompensation for floppy is 125nsec.

JP8

open

 

Write precompensation for floppy is 187nsec.

JP8

closed

FLOPPY DRIVE INTERRUPT REQUEST - JP1

IRQ

Jumper 1

Jumper 2

Jumper 3

Jumper 4

Jumper 5

Disabled

open

open

open

open

open

 

IRQ3

closed

open

open

open

open

 

IRQ4

open

closed

open

open

open

 

IRQ5

open

open

closed

open

open

 

IRQ7

open

open

open

closed

open

 

IRQ9

open

open

open

open

closed

DMA INTERRUPT REQUEST - JP2

DRQ

Jumpers 1 & 4

Jumpers 2 & 5

Jumpers 3 & 6

 

Disabled

open

open

open

 

DRQ/DACK7

closed

open

open

DRQ/DACK6

open

closed

open

 

DRQ/DACK5

open

open

closed

HARD DRIVE INTERRUPT REQUEST - JP2

IRQ

Jumper 7

Jumper 8

Jumper 9

Jumper 10

Jumper 11

Disabled

open

open

open

open

open

IRQ15

closed

open

open

open

open

IRQ14

open

closed

open

open

open

IRQ12

open

open

closed

open

open

IRQ11

open

open

open

closed

open

IRQ10

open

open

open

open

closed

FLOPPY CONTROLLER SETTINGS

Function

JP6

JP9

Floppy drive enabled with no hard or combo card

open

open

 

Floppy drive enabled with hard card only

open

closed

 

Floppy drive disabled

closed

N/A

I/O PORT ADDRESS - JP3

Address

Jumper 1

Jumper 2

Jumper 3

Jumper 4

Jumper 5

 

3F8h

open

open

open

open

open

 

3F0h

closed

open

open

open

open

 

3E8h

open

closed

open

open

open

 

3E0h

closed

closed

open

open

open

 

3D8h

open

open

closed

open

open

 

3D0h

closed

open

closed

open

open

 

3C8h

open

closed

closed

open

open

 

3C0h

closed

closed

closed

open

open

 

3B8h

open

open

open

closed

open

 

3B0h

closed

open

open

closed

open

 

3A8h

open

closed

open

closed

open

 

3A0h

closed

closed

open

closed

open

 

398h

open

open

closed

closed

open

 

390h

closed

open

closed

closed

open

 

388h

open

closed

closed

closed

open

 

380h

closed

closed

closed

closed

open

 

378h

open

open

open

open

closed

 

370h

closed

open

open

open

closed

 

368h

open

closed

open

open

closed

 

360h

closed

closed

open

open

closed

 

358h

open

open

closed

open

closed

 

350h

closed

open

closed

open

closed

 

348h

open

closed

closed

open

closed

 

340h

closed

closed

closed

open

closed

 

338h

open

open

open

closed

closed

 

330h

closed

open

open

closed

closed

 

328h

open

closed

open

closed

closed

320h

closed

closed

open

closed

closed

 

318h

open

open

closed

closed

closed

 

310h

closed

open

closed

closed

closed

 

308h

open

closed

closed

closed

closed

 

300h

closed

closed

closed

closed

closed

BIOS ADDRESS - JP4

Address

Jumper 1

Jumper 2

Jumper 3

Jumper 4

 

DE00h

open

open

open

open

 

DC00h

closed

open

open

open

 

DA00h

open

closed

open

open

D800h

closed

closed

open

open

 

D600h

open

open

closed

open

 

D400h

closed

open

closed

open

 

D2OOh

open

closed

closed

open

 

D000h

closed

closed

closed

open

 

CE00h

open

open

open

closed

 

CC00h

closed

open

open

closed

 

CA00h

open

closed

open

closed

 

C800h

closed

closed

open

closed

 

C600h

open

open

closed

closed

 

C400h

closed

open

closed

closed

 

C200h

open

closed

closed

closed

 

C000h

closed

closed

closed

closed