UNIDENTIFIED
NT-120
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Data bus: |
16-bit, ISA |
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Size: |
Three/quarter-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 | |
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Function |
Location |
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34-pin control cable connector - floppy drive |
J1 |
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25-pin parallel port (LPT1/2) - external |
J2 |
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40-pin IDE(AT) Interface connector |
J5 |
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4-pin connector - Drive active LED |
J6 |
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10-pin serial port (COM1/3) - external |
J7 |
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10-pin serial port (COM2/4) - internal |
J8 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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IRQ14 passed through to host bus enabled |
W3/jumper 1 |
open | |
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IRQ14 enabled when active signal is false |
W3/jumper 1 |
closed | |
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Single speed floppy drives supported |
W5 |
open | |
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Dual speed floppy drives supported |
W5 |
closed | |
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Hard drive enabled |
W9/jumper 1, 2 |
closed | |
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Hard drive disabled |
W9/jumper 1, 2 |
open | |
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FLOPPY DRIVE ADDRESS | |||
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Function |
W4/jumper 1 |
W4/jumper 2 | |
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3F0 - 3F7h |
closed |
open | |
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370 - 377h |
closed |
closed | |
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Disabled |
open |
closed | |
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PARALLEL PORT INTERRUPT SELECT | |||
|
IRQ |
W7/jumper 1 |
W7/jumper 2 | |
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IRQ7 |
closed |
open | |
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IRQ5 |
open |
closed | |
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SERIAL PORT INTERRUPT SELECT | ||
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Port 2 |
W7 | |
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IRQ3 |
Jumper 3 closed | |
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IRQ4 |
Top (pin 1) of Jumper 3 and top (pin 1) of jumper 4 closed | |
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SERIAL PORT INTERRUPT SELECT | ||
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Port 1 |
W7 | |
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IRQ4 |
Jumper 4 closed | |
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IRQ3 |
Bottom (pin 2) of Jumper 3 and bottom (pin2) of Jumper 4 closed | |
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PARALLEL PORT CONFIGURATION | |||
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LPT |
W8/Jumper 1 |
W8/Jumper 2 | |
|
1 |
closed |
open | |
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2 |
closed |
closed | |
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Disabled |
open |
n/a | |
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SERIAL PORT CONFIGURATION | |||
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Port 1 (J7) |
W8/jumper 3 |
W8/jumper 4 | |
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COM1 |
closed |
open | |
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COM3 |
open |
closed | |
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SERIAL PORT CONFIGURATION | |||
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Port 2 (J8) |
W8/jumper 5 |
W8/jumper 6 | |
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COM2 |
closed |
open | |
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COM4 |
open |
closed | |