UNIDENTIFIED
B237
| 
 
  | |
| 
 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  | 
| 
 25-pin parallel port (LPT1/2) - external  | 
 CN1  | 
| 
 15-pin game port - external  | 
 CN2  | 
| 
 10-pin serial port (COM1/3) - internal  | 
 CN3  | 
| 
 10-pin serial port (COM2/4) - internal  | 
 CN4  | 
| 
 34-pin control cable connector - floppy drive  | 
 CN5  | 
| 
 40-pin IDE (AT) Interface connector  | 
 CN6  | 
| 
 4-pin connector - drive active LED  | 
 CN7  | 
| 
 PARALLEL PORT ADDRESS  | ||
| 
 Setting  | 
 JP3  | 
 JP4  | 
| 
 3BCh  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 378h  | 
 pins 1 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 278h  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 Disable  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SERIAL PORTS COM SELECT  | ||||
| 
 Serial 1  | 
 Serial 2  | 
 JP5  | 
 JP6  | 
 JP7  | 
| 
 COM1  | 
 COM2  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 COM2  | 
 COM1  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 FLOPPY DRIVE SELECT  | ||
| 
 Setting  | 
 JP8  | 
 JP9  | 
| 
 Enabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |