WESTERN DIGITAL CORPORATION
WD7000-ASC, WD7000-FASST
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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
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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 | |