WESTERN DIGITAL CORPORATION
WD1003A-WA2
|
Chipset |
Western Digital |
|
Data Bus |
16-bit ISA |
|
Card Size |
Full height, full length |
|
Hard Drives Supported |
Two ST506/412(MFM) devices |
|
Floppy Drives Supported |
Two 360KB or 1.2MB drives |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
2-pin drive active LED |
J1 |
34-pin control cable connector - hard drive |
J4 |
|
20-pin data cable connector - drive 2 |
J2 |
34-pin cable connector - floppy drive |
J5 |
|
20-pin data cable connector - drive 1 |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Factory configured - do not alter |
W1 |
Pins 1 & 2 closed | |
|
Factory configured - do not alter |
W2/A |
Open | |
|
Factory configured - do not alter |
W2/B |
Open | |
|
Factory configured - do not alter |
W2/C |
Open | |
|
RWC-NOT signal enabled |
W5 |
Pins 1 & 2 closed | |
|
RWC-NOT signal disabled, HS3-NOT signal enabled |
W5 |
Pins 2 & 3 closed | |
|
Factory configured - do not alter |
W6 |
Unidentified | |
|
Factory configured - do not alter |
W7 |
Open | |
|
Note:W6 may not be present on all versions of this board. | |||
|
HARD DRIVE 1 TYPE SELECTION | ||
|
Setting |
W3 | |
|
Standard |
Pins 1 & 2 closed | |
|
SyQuest |
Pins 1 & 2 open | |
|
HARD DRIVE 2 TYPE SELECTION | ||
|
Setting |
W3 | |
|
Standard |
Pins 3 & 4 closed | |
|
SyQuest |
Pins 3 & 4 open | |
|
HARD DRIVE ADDRESS SELECTION | ||
|
Setting |
W4 | |
|
Primary |
Pins 3 & 5 closed | |
|
Secondary |
Pins 1 & 3 closed | |
|
FLOPPY DRIVE ADDRESS SELECTION | ||
|
Setting |
W4 | |
|
Primary |
Pins 4 & 6 closed | |
|
Secondary |
Pins 2 & 4 closed | |