UNIDENTIFIED
AT BUS + 2S/1P
| 
 
  | |
| 
 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  | 
| 
 34-pin control cable connector - floppy drive  | 
 J2  | 
| 
 4-pin connector - Drive active LED  | 
 J5  | 
| 
 10-pin serial port (COM2/4) - internal  | 
 J9  | 
| 
 10-pin serial port (COM1/3) - external  | 
 J10  | 
| 
 25-pin parallel port (LPT1/2) - external  | 
 J12  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Single speed floppy drives supported  | 
 J3  | 
 pins 1 & 2 closed  | 
| 
 Dual speed floppy drives supported  | 
 J3  | 
 pins 2 & 3 closed  | |
| » | 
 Floppy drive precompensation enabled  | 
 J4  | 
 pins 2 & 3 closed  | 
| 
 Floppy drive precompensation disabled  | 
 J4  | 
 pins 1 & 2 closed  | |
| » | 
 Chasis ground enabled  | 
 J11  | 
 closed  | 
| 
 Chasis ground disabled  | 
 J11  | 
 open  | |
| » | 
 Serial Port 2 (J9) Interrupt Request IRQ3 enabled  | 
 J13/jumper 3  | 
 closed  | 
| 
 Serial Port 2 (J9) Interrupt Request IRQ3 disabled  | 
 J13/jumper 3  | 
 open  | |
| » | 
 Serial Port 1 (J10) Interrupt Request IRQ4 enabled  | 
 J13/jumper 4  | 
 closed  | 
| 
 Serial Port 1 (J10) Interrupt Request IRQ4 disabled  | 
 J13/jumper 4  | 
 open  | |
| 
 BIOS TYPE CONFIGURATION  | |||
| 
 Type  | 
 J6/jumper 1  | 
 J6/jumper 2  | |
| » | 
 IBM-compatible BIOS  | 
 open  | 
 closed  | 
| 
 IBM BIOS  | 
 closed  | 
 open  | |
| 
 SERIAL PORT 1 (J10) CONFIGURATION  | |||
| 
 COM  | 
 J7/jumper 1  | 
 J7/jumper 3  | |
| » | 
 1  | 
 closed  | 
 open  | 
| 
 3  | 
 open  | 
 closed  | |
| 
 SERIAL PORT 2 (J9) CONFIGURATION  | |||
| 
 COM  | 
 J7/jumper 2  | 
 J7/jumper 4  | |
| » | 
 2  | 
 closed  | 
 open  | 
| 
 4  | 
 open  | 
 closed  | |
| 
 PARALLEL PORT (J12) CONFIGURATION  | |||
| 
 LPT  | 
 J7/jumper 5  | 
 J7/jumper 6  | |
| » | 
 1  | 
 open  | 
 closed  | 
| 
 2  | 
 closed  | 
 open  | |
| 
 Disabled  | 
 open  | 
 open  | |
| 
 FLOPPY DRIVE CONFIGURATION  | |||
| 
 Function  | 
 J8/jumper 1  | 
 J8/jumper 2  | |
| » | 
 Floppy drive port address is 3F0-3F7h  | 
 closed  | 
 open  | 
| 
 Floppy drive port address is 370-377h  | 
 open  | 
 closed  | |
| 
 Floppy drive disabled  | 
 open  | 
 open  | |
| 
 PARALLEL PORT (J12) INTERRUPT REQUEST  | |||
| 
 IRQ  | 
 J13/jumper 1  | 
 J13/jumper 2  | |
| 
 5  | 
 closed  | 
 open  | |
| » | 
 7  | 
 open  | 
 closed  |