COMPUADD, INC.
HARDCACHE/SCSI
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Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two SCSI drives, up to 5 other SCSI devices
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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50-pin SCSI connector-external |
CN1 |
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4-pin connector-drive active LED |
J1 |
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34-pin data cable connector-floppy drive |
J2 |
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50-pin SCSI connector-internal |
J3 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Block Data Transfer mode |
SW1/switch 1 |
on | |
|
IRQ-Paced Data Transfer mode |
SW1/switch 1 |
off | |
|
Read config. sector on drive 0 |
SW1/switch 2 |
on | |
|
Read config. data in firmware |
SW1/switch 2 |
off | |
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Floppy drive address 3F0-3F7h |
SW1/switch 3 |
off | |
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Floppy drive address 370-377h |
SW1/switch 3 |
on | |
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Floppy drive enabled |
SW1/switch 4 |
off | |
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Floppy drive disabled |
SW1/switch 4 |
on | |
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Single-speed floppy drive supported |
SW1/switch 5 |
off | |
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Dual-speed floppy drive supported |
SW1/switch 5 |
on | |
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BIOS enabled |
SW1/switch 6 |
on | |
|
BIOS disabled |
SW1/switch 6 |
off | |
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BIOS address C800-C9FFh |
SW2/switch 1 |
off | |
|
BIOS address CA00-CBFFh |
SW2/switch 1 |
on | |
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Hard drive address 1F0-1F7h |
SW2/switch 2 |
off | |
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Hard drive address 170-177h |
SW2/switch 2 |
on | |
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256KB SIMM's supported |
SW2/switch 6 |
on | |
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1MB SIMM's supported |
SW2/switch 6 |
off | |
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Hard Drive Interrupt is IRQ14 |
W1 |
pins 1 & 2 closed | |
|
Hard Drive Interrupt is IRQ10 |
W1 |
pins 2 & 3 closed | |
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SCSI ADDRESS | ||||
|
SCSI ID |
SW2/switch 3 |
SW2/switch 4 |
SW2/switch 5 | |
|
0 |
off |
off |
off | |
|
1 |
off |
off |
on | |
|
2 |
off |
on |
off | |
|
3 |
off |
on |
on | |
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4 |
on |
off |
off | |
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5 |
on |
off |
on | |
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6 |
on |
on |
off | |
|
7 |
on |
on |
on | |