NCL AMERICA
NCL527
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Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard Drives Suppported: Two AT Interface (IDE) drives
Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives
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CONNECTIONS | |
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Functions |
Location |
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40-pin connector-IDE(AT) Interface |
CN1 |
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34-pin data cable connector-floppy drive |
CN2 |
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5-pin connector-DC power |
PWR |
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4-pin connector-drive active LED |
LED |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
IOCHRDY connected to CN1, Pin 27 |
JP1 |
pins 1 & 2 closed |
|
IOCHRDY connected to CN1, Pin 21 |
JP1 |
pins 2 & 3 closed | |
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IOCHRDY not connected |
JP1 |
open | |
| » |
IRQ14 connected directly to bus |
JP3 |
pins 2 & 3 closed |
|
IRQ14 enabled by pin 39 high |
JP3 |
pins 1 & 2 closed | |
|
IRQ14 not connected to bus |
JP3 |
open | |
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DRIVE PORT ADDRESS | ||||
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Hard Drive Address |
Floppy Drive Address |
JP2/pins 1 & 2 |
JP2/pins 3 & 4 | |
| » |
1F0-1F7h |
3F0-3F7h |
open |
open |
|
170-177h |
370-377h |
open |
closed | |
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1F0-1F7h |
Disabled |
closed |
closed | |
|
Disabled |
3F0-3F7h |
closed |
open | |
