AUVA COMPUTER, INC.
HFDC
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Data bus: |
16-bit ISA |
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Size: |
Three-quarter length, full-height card |
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Hard drive supported: |
Two MFM ST-506/412 drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
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CONNECTIONS | |
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Function |
Location |
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20-pin data cable connector - drive 1 |
J1 |
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20-pin data cable connector - drive 0 |
J2 |
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34-pin control cable connector - hard drive |
J3 |
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34-pin control cable connector - floppy drive |
J4 |
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4-pin connector - drive active LED |
JP1 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Floppy drive primary address is 3F2h |
J5 |
pins 2 & 3 closed | |
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Floppy drive secondary address is 372h |
J5 |
pins 1 & 2 closed | |
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Hard drive primary address is 1F0h |
J6 |
pins 2 & 3 closed | |
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Hard drive secondary address is 170h |
J6 |
pins 1 & 2 closed | |
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Floppy drive dual speed disabled |
JP2 |
open | |
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Floppy drive dual speed enabled |
JP2 |
closed | |
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Floppy precompensate is ± |
JP3 |
open | |
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Floppy precompensate is 187ns |
JP3 |
closed | |