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WD1002-WA2
WESTERN DIGITAL CORPORATION
WD1002-WA2
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
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CONNECTIONS
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Function
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Location
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34-pin data cable connector-floppy drive
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J1
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20-pin data cable connector-drive 1
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J3
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20-pin data cable connector-drive 0
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J4
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34-pin control cable connector-hard drive
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J5
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USER CONFIGURABLE SETTINGS
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Function
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Location
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Setting
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Floppy drive port address is 3F2h, 3F4-3F7h
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E1
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pins 2 & 3 closed
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Floppy drive port address is 372h, 374-377h
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E1
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pins 1 & 2 closed
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Hard drive port address is 1F0-1F7h & 3F6-3F7h
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E2
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pins 2 & 3 closed
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Hard drive port address is 170-177h & 376-377h
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E2
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pins 1 & 2 closed
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Factory configured - do not alter
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E3
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closed
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