WESTERN DIGITAL CORPORATION
WD1007A-WX2
|
Card Type |
Hard drive controller card |
|
Hard Drives supported |
Two ESDI drives |
|
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB |
|
Data Bus |
16-bit ISA |
|
Card Size |
Three-quarter length, full-height card |
|
CONNECTIONS | |||
|
Function |
Location |
Function |
Location |
|
34-pin control cable connector-hard drive |
J1 |
34-pin data cable connector-floppy drive |
J4 |
|
20-pin data cable connector-drive 0 |
J2 |
4-pin connector-drive active LED |
J5 |
|
20-pin data cable connector-drive 1 |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Factory configured (BIOS enabled) |
W3 |
Closed | |
|
Factory configured (floppy drive controller) |
W4 |
Open | |
|
Factory configured (single spindle speed select) |
W5 |
Open | |
|
Floppy drive port address is 3F0-3F7h |
W6 |
Pins 2 & 3 closed | |
|
Floppy drive port address is 370-377h |
W6 |
Pins 1 & 2 closed | |
|
Factory configured (floppy drive select) |
W7 |
Pins 1 & 2 closed | |
|
WD1007 emulation mode |
W8 |
Open | |
|
WD1005 emulation mode |
W8 |
Closed | |
|
Factory configured (chassis ground disconnected) |
W9 |
Open | |
|
Digital input register unlatched |
W10 |
Open | |
|
Digital input register latched |
W10 |
Closed | |
|
Factory configured (floppy change enable with FDC option) |
W11 |
Closed | |
|
Factory configured (secondary address select) |
W12 |
Open | |
|
Floppy controller enabled (diskette drive controller enabled in etch) |
W13 |
Uncut | |
|
Sector translation enabled |
W14 |
Open | |
|
Sector translation disabled |
W14 |
Closed | |
|
Factory configured (ECC length is 4 bytes) |
W15 |
Open | |
|
BIOS ADDRESS SELECTION | |||
|
Address |
W1 |
W2 | |
|
C8000-C9FFFh |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
CA000-CBFFFh |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
CC000-CDFFFh |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
CE000-CFFFFh |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
MISCELLANEOUS TECHNICAL INFORMATION |
|
The WD1007A supports 1:1 interleave drives with up to 2048 cylinders and 16 heads. |