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Articles / TULARC / PC info / Hard Disk/Floppy Controller / S-T / |  |
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ADP20F Hard Disk/Floppy Controller Settings and Configuration |
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SILICON VALLEY COMPUTER, INC.
ADP20F
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Data bus: |
16-bit, ISA |
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Size: |
Half-length, full-height card |
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Hard drive supported: |
Two IDE (AT) Interface 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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34-pin control cable connector-floppy drive |
P1 |
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40-pin AT Interface (IDE) connector |
P2 |
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4-pin connector-Drive active LED |
P6 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
Floppy drive enabled |
E1, E6, E7 |
closed |
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Floppy drive disabled |
E1, E6, E7 |
open | |
| » |
Floppy drive change signal enabled |
E2 |
closed |
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Floppy drive change signal disabled |
E2 |
open | |
| » |
Floppy drive precompensation is 125ns |
E3 |
open |
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Floppy drive precompensation is 187ns |
E3 |
closed | |
| » |
Single speed floppy drives supported |
E4 |
open |
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Dual speed floppy drives supported |
E4 |
closed | |
| » |
Older Conner hard drives not supported |
E5 |
open |
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Older Conner hard drives supported |
E5 |
closed | |
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