JC INFORMATION SYSTEMS CORPORATION
IDE FLOPPY/HARD DISK CONTROLLER (MODEL 1120)
| 
 
  | |
| 
 Data bus:  | 
 16-bit ISA  | 
| 
 Size:  | 
 Half-length, full-hieght card  | 
| 
 Hard drive supported:  | 
 Two IDE (AT) interface drives  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 40-pin IDE (AT) interface connector  | 
 CN1  | 
| 
 34-pin control cable connector - floppy drive  | 
 CN2  | 
| 
 25-pin parallel port - external  | 
 JP1  | 
| 
 9-pin serial port 1 - external  | 
 JS1  | 
| 
 10-pin serial port 2 - internal  | 
 JS2  | 
| 
 4pin connector - drive active LED  | 
 LED1  | 
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Function  | 
 Location  | 
 Setting  | 
| 
 Parallel port is LPT2  | 
 J1/pins 1 & 2  | 
 closed  | 
| 
 Parallel port is LPT1  | 
 J1/pins 2 & 3  | 
 closed  | 
| 
 Serial port 1 is COM2  | 
 J1/pins 4 & 5  | 
 closed  | 
| 
 Serial port 1 is COM1  | 
 J1/pins 5 & 6  | 
 closed  | 
| 
 Serial port 2 is COM2  | 
 J1/pins 7 & 8  | 
 closed  | 
| 
 Serial port 2 is COM1  | 
 J1/pins 8 & 9  | 
 closed  | 
| 
 Parallel port IRQ5 select  | 
 J2/pins 1 & 2  | 
 closed  | 
| 
 Parallel port IRQ7 select  | 
 J2/pins 2 & 3  | 
 closed  | 
| 
 Serial port 1 IRQ3 select  | 
 J2/pins 4 & 5  | 
 closed  | 
| 
 Serial port 1 IRQ4 select  | 
 J2/pins 5 & 6  | 
 closed  | 
| 
 Serial port 2 IRQ3 select  | 
 J2/pins 7 & 8  | 
 closed  | 
| 
 Serial port 2 IRQ4 select  | 
 J2/pins 8 & 9  | 
 closed  |