UNIDENTIFIED
AT BUS I/O CARD 0001
| 
 
  | |
| 
 Data bus:  | 
 16-bit, ISA  | 
| 
 Size:  | 
 Half-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  | 
| 
 40-pin IDE(AT) Interface connector  | 
 J1  | 
| 
 10-pin serial port (COM2/4) - internal  | 
 J2  | 
| 
 10-pin serial port (COM1/3) - external  | 
 J3  | 
| 
 25-pin parallel port (LPT1/2) - external  | 
 J4  | 
| 
 34-pin control cable connector - floppy drive  | 
 J5  | 
| 
 2-pin connector - Drive active LED  | 
 LED  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| 
 250KB/sec floppy drives supported  | 
 J6  | 
 open  | |
| 
 300KB/sec floppy drives supported  | 
 J6  | 
 closed  | |
| » | 
 Hard drive Interrupt is IRQ14  | 
 J9  | 
 pins 1 & 2 closed  | 
| 
 Hard drive Interrupt is disabled  | 
 J9  | 
 pins 2 & 3 closed  | |
| » | 
 I/O Channel Ready signal disabled  | 
 JP1  | 
 open  | 
| 
 I/O Channel Ready signal enabled  | 
 JP1  | 
 closed  | |
| » | 
 Floppy drive enabled  | 
 JP3  | 
 closed  | 
| 
 Floppy drive disabled  | 
 JP3  | 
 open  | |
| 
 SERIAL PORT 1 (J3) CONFIGURATION - JP2  | |||
| 
 J3  | 
 Jumper 1  | 
 Jumper 2  | 
 Jumper 3  | 
| 
 IRQ4  | 
 closed  | 
 open  | 
 open  | 
| 
 IRQ5  | 
 open  | 
 closed  | 
 open  | 
| 
 IRQ9  | 
 open  | 
 open  | 
 closed  | 
| 
 SERIAL PORT 2 (J2) CONFIGURATION - JP2  | |||
| 
 J2  | 
 Jumper 4  | 
 Jumper 5  | 
 Jumper 6  | 
| 
 IRQ3  | 
 closed  | 
 open  | 
 open  | 
| 
 IRQ9  | 
 open  | 
 closed  | 
 open  | 
| 
 IRQ5  | 
 open  | 
 open  | 
 closed  | 
| 
 PARALLEL PORT (J4) CONFIGURATION - JP2  | ||
| 
 J4  | 
 Jumper 7  | 
 Jumper 8  | 
| 
 IRQ5  | 
 closed  | 
 open  | 
| 
 IRQ7  | 
 open  | 
 closed  | 
| 
 SERIAL PORT 1 (J3) CONFIGURATION - JP6  | ||
| 
 J3  | 
 Jumper 1  | 
 Jumper 3  | 
| 
 3F8h  | 
 closed  | 
 open  | 
| 
 3E8f  | 
 open  | 
 closed  | 
| 
 SERIAL PORT 2 (J2) CONFIGURATION - JP6  | ||
| 
 J2  | 
 Jumper 2  | 
 Jumper 4  | 
| 
 2F8h  | 
 closed  | 
 open  | 
| 
 2E8h  | 
 open  | 
 closed  | 
| 
 PARALLEL PORT (J4) CONFIGURATION - JP6  | ||
| 
 J4  | 
 Jumper 5  | 
 Jumper 6  | 
| 
 378h  | 
 closed  | 
 open  | 
| 
 278h  | 
 open  | 
 closed  |