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  | |