UNIDENTIFIED
ML-863
| 
 
  | |
| 
 Data bus:  | 
 32-bit VL-bus  | 
| 
 Size:  | 
 Three-quarter length, half-height card  | 
| 
 Hard drive supported:  | 
 Two IDE(AT) drives  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 25-pin parallel port - external  | 
 CN1  | 
| 
 10-pin serial port 2 - internal  | 
 CN2  | 
| 
 9-pin serial port 1 - external, 10-pin serial port 1 - internal  | 
 CN3  | 
| 
 16-pin game port  | 
 CN4  | 
| 
 34-pin cable connector - floppy drive  | 
 CN5  | 
| 
 40-pin primary IDE(AT) connector  | 
 CN6  | 
| 
 4-pin connector - drive active LED  | 
 CN7  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 IOCHRDY signal disabled  | 
 JP1  | 
 pins 1 & 2 closed  | 
| 
 IOCHRDY signal enabled  | 
 JP1  | 
 pins 2 & 3 closed  | |
| » | 
 CPU speed is 40,50 MHz  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 CPU speed is <=33MHz  | 
 JP2  | 
 pins 2 & 3 closed  | |
| » | 
 IDE(AT) interface enabled  | 
 JP3  | 
 pins 1 & 2 closed  | 
| 
 IDE(AT) interface disabled  | 
 JP3  | 
 pins 2 & 3 closed  | |
| » | 
 Floppy drive interface enabled  | 
 JP4  | 
 pins 1 & 2 closed  | 
| 
 Floppy drive interface disabled  | 
 JP4  | 
 pins 2 & 3 closed  | |
| 
 USER CONFIGURABLE SETTINGS (CONTINUED)  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Game port enabled  | 
 JP5  | 
 pins 1 & 2 closed  | 
| 
 Game port disabled  | 
 JP5  | 
 pins 2 & 3 closed  | |
| » | 
 Floppy drive select primary  | 
 JP7  | 
 pins 1 & 2 closed  | 
| 
 Floppy drive select secondary  | 
 JP7  | 
 pins 2 & 3 closed  | |
| 
 PARALLEL PORT ADDRESS SELECTION  | |||
| 
 LPT  | 
 JP6  | 
 JP12  | |
| » | 
 LPT2(378h)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 LPT3 (278h)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | |
| 
 Disabled  | 
 N/A  | 
 pins 2 & 3 closed  | |
| 
 SERIAL PORT 1 ADDRESS SELECTION  | |||
| 
 COM  | 
 JP10  | 
 JP11  | |
| » | 
 COM1 (3F8h)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 COM3 (3E8h)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | |
| 
 Disabled  | 
 N/A  | 
 pins 2 & 3 closed  | |
| 
 SERIAL PORT 2 ADDRESS SELECTION  | |||
| 
 COM  | 
 JP8  | 
 JP9  | |
| » | 
 COM2 (2F8h)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 COM4 (2E8h)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | |
| 
 Disabled  | 
 N/A  | 
 pins 2 & 3 closed  | |
| 
 IDE HARD DISK DRIVE SPEED SELECTION  | |||
| 
 Device Speed  | 
 JP13  | 
 JP14  | |
| » | 
 Low - 600ns  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Normal - 500ns  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | |
| 
 Fast speed - 383ns  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | |
| 
 Turbo speed - 240ns  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | |
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 The location of pin 1 is unidentified on jumpers JP1-JP12.  |