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# WESTERN DIGITAL CORPORATION
WD1002-WA2
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Data bus: 16-bit, PC/AT
Size: Full-length, full-height card
Hard drives supported: Two MFM ST506/412 drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
IMG IMG 1
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| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------------+-------------|
| 34-pin data cable connector-floppy drive | J1 |
|----------------------------------------------+-------------|
| 20-pin data cable connector-drive 1 | J3 |
|----------------------------------------------+-------------|
| 20-pin data cable connector-drive 0 | J4 |
|----------------------------------------------+-------------|
| 34-pin control cable connector-hard drive | J5 |
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| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive port address is | E1 | pins 2 & 3 |
| | 3F2h, 3F4-3F7h | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive port address is | E1 | pins 1 & 2 |
| | 372h, 374-377h | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive port address is | E2 | pins 2 & 3 |
| | 1F0-1F7h & 3F6-3F7h | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive port address is | E2 | pins 1 & 2 |
| | 170-177h & 376-377h | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | E3 | closed |
| | alter | | |
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