EASTERN ELECTRONICS COMPANY
IDC-767 DISK ACCELERATOR
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Data bus: |
32-bit, VL-bus |
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Size: |
Three/quarter-length, full-height card |
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Hard drive supported: |
Four 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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40-pin IDE(AT) Interface connector - IDE-0 |
J1 |
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40-pin IDE(AT) Interface connector - IDE-1 |
J2 |
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34-pin control cable connector - floppy drive |
J3 |
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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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IDE-0 (J1) read signal damping enabled |
JP3 |
open | |
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IDE-0 (J1) read signal damping disabled |
JP3 |
closed | |
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IDE-1 (J2) read signal damping enabled |
JP4 |
open | |
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IDE-1 (J2) read signal damping disabled |
JP4 |
closed | |
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IDE-0 (J1) write signal damping enabled |
JP5 |
open | |
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IDE-0 (J1) write signal damping disabled |
JP5 |
closed | |
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IDE-1 (J2) write signal damping enabled |
JP6 |
open | |
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IDE-1 (J2) write signal damping disabled |
JP6 |
closed | |
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Hard drive port address is 1F0-1F7, 3F6 & 3F7h |
JP7/jumper 4 |
closed | |
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Hard drive port address is 170-177, 376 & 377h |
JP7/jumper 4 |
open | |
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Floppy drive enabled |
JP7/jumper 5 |
closed | |
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Floppy drive disabled |
JP7/jumper 5 |
open | |
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Normal operation |
JP7/jumper 6 |
closed | |
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Test mode enabled |
JP7/jumper 6 |
open | |
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INTERRUPT REQUEST | |||||
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IRQ |
JP2/jumper 1 |
JP2/jumper 2 |
JP2/jumper 3 |
JP2/jumper 4 | |
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5 |
closed |
open |
open |
open | |
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12 |
open |
closed |
open |
open | |
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14 |
open |
open |
closed |
open | |
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15 |
open |
open |
open |
closed | |
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BIOS ADDRESS | |||
|
Address |
JP7/Jumper 1 |
JP7/Jumper 2 |
JP7/Jumper 3 |
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DC000h |
closed |
closed |
closed |
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D8000h |
open |
closed |
closed |
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D4000h |
closed |
open |
closed |
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D0000h |
open |
open |
closed |
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CC000h |
closed |
closed |
open |
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C8000h |
open |
closed |
open |
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Disabled |
n/a |
open |
open |
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LOCAL BUS CLOCK SKEW | ||
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Select |
JP8 | |
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Fastest skew |
pins 2 & 5 closed | |
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Medium skew |
pins 1 & 2 closed | |
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Slowest skew |
pins 2 & 3 closed | |
