COMPUADD, INC.
HARDCACHE/ESDI
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Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two RLL ESDI drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
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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 data cable connector-floppy drive |
J3 |
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34-pin control cable connector-hard drive |
J4 |
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4-pin connector-drive active LED |
J5 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
Floppy drive type is AT-type |
W1 |
pins 1 & 2 closed |
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Floppy drive type is PS/2 type 1.44MB |
W1 |
pins 2 & 3 closed | |
| » |
Floppy Drive Interrupt is IRQ6 |
W2 |
pins 1 & 2 closed |
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Floppy Drive Interrupt is IRQ10 |
W2 |
pins 2 & 3 closed | |
| » |
Floppy Drive DMA Acknowledge is DACK2 |
W3 |
pins 1 & 2 closed |
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Floppy Drive DMA Acknowledge is DACK3 |
W3 |
pins 2 & 3 closed | |
| » |
Floppy Drive DMA Request is DREQ2 |
W4 |
pins 1 & 2 closed |
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Floppy Drive DMA Request is DREQ3 |
W4 |
pins 2 & 3 closed | |
| » |
Hard drive address 1F0-1F7h |
W5 |
open |
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Hard drive address 170-177h |
W5 |
closed | |
| » |
Floppy drive address 3F0-3F7h |
W6 |
open |
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Floppy drive address 370-377h |
W6 |
closed | |
| » |
BIOS enabled |
W7 |
closed |
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BIOS disabled |
W7 |
open | |
| » |
BIOS address C800-C9FFh |
W8 |
open |
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BIOS address CA00-CBFFh |
W8 |
closed | |
| » |
Floppy drive enabled |
W9 |
open |
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Floppy drive disabled |
W9 |
closed | |
| » |
Floppy drive single spindle speed enabled |
W10 |
open |
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Floppy drive dual spindle speed enabled |
W10 |
closed | |
| » |
256KB SIMM's supported |
W11 |
pins 1 & 2 closed |
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1MB SIMM's supported |
W11 |
pins 2 & 3 closed | |
| » |
Block Data Transfer mode enabled |
W12 |
pins 1 & 2 closed |
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IRQ-Paced Data Transfer mode enabled |
W12 |
pins 2 & 3 closed | |
| » |
Factory configured - do not alter |
W13 |
open |