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NT-120

UNIDENTIFIED

NT-120

Data bus:

16-bit, ISA

Size:

Three/quarter-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

34-pin control cable connector - floppy drive

J1

25-pin parallel port (LPT1/2) - external

J2

40-pin IDE(AT) Interface connector

J5

4-pin connector - Drive active LED

J6

10-pin serial port (COM1/3) - external

J7

10-pin serial port (COM2/4) - internal

J8

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IRQ14 passed through to host bus enabled

W3/jumper 1

open

 

IRQ14 enabled when active signal is false

W3/jumper 1

closed

Single speed floppy drives supported

W5

open

 

Dual speed floppy drives supported

W5

closed

Hard drive enabled

W9/jumper 1, 2

closed

 

Hard drive disabled

W9/jumper 1, 2

open

FLOPPY DRIVE ADDRESS

Function

W4/jumper 1

W4/jumper 2

3F0 - 3F7h

closed

open

 

370 - 377h

closed

closed

 

Disabled

open

closed

PARALLEL PORT INTERRUPT SELECT

IRQ

W7/jumper 1

W7/jumper 2

IRQ7

closed

open

 

IRQ5

open

closed

SERIAL PORT INTERRUPT SELECT

Port 2

W7

IRQ3

Jumper 3 closed

 

IRQ4

Top (pin 1) of Jumper 3 and top (pin 1) of jumper 4 closed

SERIAL PORT INTERRUPT SELECT

Port 1

W7

IRQ4

Jumper 4 closed

 

IRQ3

Bottom (pin 2) of Jumper 3 and bottom (pin2) of Jumper 4 closed

PARALLEL PORT CONFIGURATION

LPT

W8/Jumper 1

W8/Jumper 2

1

closed

open

 

2

closed

closed

 

Disabled

open

n/a

SERIAL PORT CONFIGURATION

Port 1 (J7)

W8/jumper 3

W8/jumper 4

COM1

closed

open

 

COM3

open

closed

SERIAL PORT CONFIGURATION

Port 2 (J8)

W8/jumper 5

W8/jumper 6

COM2

closed

open

 

COM4

open

closed