NEC TECHNOLOGIES, INC.
ESDI DISK CONTROLLER BOARD
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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 ESDI drives |
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Floppy drives supported: |
None |
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CONNECTIONS | |
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Function |
Location |
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4-pin connector - drive active LED |
J1 |
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20-pin data cable connector |
J2 |
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20-pin data cable connector |
J3 |
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34-pin cable control connector - hard drive |
J4 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Cache enabled |
W1/A |
open | |
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Cache disabled |
W1/A |
closed | |
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4-byte ECC mode select |
W1/B |
open | |
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7-byte ECC mode select |
W1/B |
closed | |
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Translation enabled |
W1/C |
open | |
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Translation disabled |
W1/C |
closed | |
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Factory configured - do not alter |
W1/D |
open | |
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Physical mode select |
W1/E |
open | |
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35 sector-per-track mode select |
W1/E |
closed | |
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Alternate sector disabled |
W1/F |
open | |
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Alternate sector enabled |
W1/F |
closed | |
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IRQ14 select |
W7 |
pins 1 & 2 closed | |
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IRQ15 select |
W7 |
pins 2 & 3 closed | |
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Primary address is 1FXh |
W12 |
open | |
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Secondary address is 17Xh |
W12 |
closed | |