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 |