NATIONAL COMPUTERS, LTD. (NCL AMERICA)
NCL DB825
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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 | |
|
Function |
Location |
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34-pin control cable connector - floppy drive |
J3 |
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40-pin 3 1/2" IDE(AT) Interface connector |
J4 |
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44-pin 2 1/2" IDE(AT) Interface connector |
J5 |
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4-pin connector - Drive active LED |
JP10 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
Floppy drive DMA Acknowledge is DACK2 |
JP1 |
pins 1 & 2 closed |
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Floppy drive DMA Acknowledge is DACK3 |
JP1 |
pins 2 & 3 closed | |
| » |
Interrupt Request is IRQ6 |
JP2 |
pins 1 & 2 closed |
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Interrupt Request is IRQ10 |
JP2 |
pins 2 & 3 closed | |
| » |
Hard drive Interrupt Request is IRQ14 |
JP3 |
pins 1 & 2 closed |
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Hard drive Interrupt Request is IRQ15 |
JP3 |
pins 2 & 3 closed | |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
| » |
Floppy drive DMA Request is DREQ2 |
JP4 |
pins 1 & 2 closed |
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Floppy drive DMA Request is DREQ3 |
JP4 |
pins 2 & 3 closed | |
| » |
Hard drive port address is 1F0-1F7h |
JP6 |
open |
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Hard drive port address is 170-177h |
JP6 |
closed | |
| » |
Floppy drive port address is 3F2-3F7h |
JP7 |
open |
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Floppy drive port address is 372-377h |
JP7 |
closed | |
| » |
Normal operation enabled |
JP8 |
open |
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Diagnostic mode enabled |
JP8 |
closed | |
| » |
I/O Channel Ready signal disabled |
JP9 |
open |
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I/O Channel Ready signal enabled |
JP9 |
closed | |
| » |
BIOS enabled |
JP11 |
closed |
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BIOS disabled |
JP11 |
open | |
| » |
Primary BIOS mode enabled |
JP12 |
closed |
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Co-existing BIOS mode enabled |
JP12 |
open | |
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BIOS ADDRESS | |||
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Address |
JP5/jumper 1 |
JP5/jumper 2 | |
| » |
C800h |
open |
open |
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CC00h |
closed |
open | |
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D800h |
open |
closed | |
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DC00h |
closed |
closed | |