UNIDENTIFIED
MP611 VL/787VL
| 
 
  | |
| 
 Data bus:  | 
 32-bit VL-bus  | 
| 
 Size:  | 
 Unidentified  | 
| 
 Hard drive supported:  | 
 Two IDE(AT) drives  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
   DIAGRAM NOT AVAILABLE DOC # C0889  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 40-pin IDE(AT) connector  | 
 unidentified  | 
| 
 34-pin cable connector - floppy drive  | 
 unidentified  | 
| 
 Serial port 1  | 
 unidentified  | 
| 
 Serial port 2 l  | 
 unidentified  | 
| 
 25-pin parallel port - external  | 
 unidentified  | 
| 
 Drive active LED  | 
 JP4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 IDE(AT) interface enabled  | 
 JP5/Pins 1 & 2  | 
 closed  | 
| 
 IDE(AT) interface disabled  | 
 JP5/pins 2 & 3  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 JP6/pins 1 & 2  | 
 closed  | 
| 
 IDE ID# is bit1  | 
 JP7/pins 1 & 2  | 
 closed  | |
| 
 IDE ID# is bit0  | 
 JP8/pins 2 & 3  | 
 closed  | |
| » | 
 RDYRTN# signal source is LRDY#  | 
 JP9/pins 2 & 3  | 
 closed  | 
| 
 RDYRTN# signal source is CPURDY#  | 
 JP9/pins 1 & 2  | 
 closed  | |
| » | 
 IDE(AT) IRQ 14 enabled  | 
 JP10  | 
 closed  | 
| 
 IDE(AT) IRQ 14 disabled  | 
 JP10  | 
 open  | |
| » | 
 Floppy drive interface enabled  | 
 JP17/pins 1 & 2  | 
 closed  | 
| 
 Floppy drive interface disabled  | 
 JP17/pins 2 & 3  | 
 closed  | |
| » | 
 Floppy drive address is 370-377h  | 
 JP18/pins 1 & 2  | 
 closed  | 
| 
 Floppy drive address is 3F0-3F7h  | 
 JP18/pins 2 & 3  | 
 closed  | |
| » | 
 Parallel port is bi-directional  | 
 JP19  | 
 open  | 
| 
 Parallel port is uni-directional  | 
 JP19  | 
 closed  | |
| 
 SERIAL PORT 1 ADDRESS SELECTION  | ||
| 
 COM  | 
 JP14  | 
 JP15  | 
| 
 COM1 (3F8h)  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 COM3 (3E8h)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 COM4 (2E8h)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SERIAL PORT 2 ADDRESS SELECTION  | ||
| 
 COM  | 
 JP11  | 
 JP16  | 
| 
 COM2 (2F8h)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 COM3 (3E8h)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 COM4 (2E8h)  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 PARALLEL PORT ADDRESS SELECTION  | ||
| 
 LPT  | 
 JP12  | 
 JP13  | 
| 
 LPT1 (378h)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 LPT2 (278h)  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 LPT3 (3BCh)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SERIAL PORT 1 INTERRUPT SELECTION  | |||
| 
 IRQ  | 
 J7/Pins 1 & 9  | 
 J7/Pins 2 & 10  | 
 J7/Pins 3 & 11  | 
| 
 3  | 
 open  | 
 closed  | 
 open  | 
| 
 4  | 
 closed  | 
 open  | 
 open  | 
| 
 5  | 
 open  | 
 open  | 
 closed  | 
| 
 SERIAL PORT 2 INTERRUPT SELECTION  | |||
| 
 IRQ  | 
 J7/Pins 4 & 12  | 
 J7/Pins 5 & 13  | 
 J7/Pins 6 & 14  | 
| 
 3  | 
 closed  | 
 open  | 
 open  | 
| 
 4  | 
 open  | 
 closed  | 
 open  | 
| 
 5  | 
 open  | 
 open  | 
 closed  | 
| 
 PARALLEL PORT INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 J7/Pins 7 & 15  | 
 J7/Pins 8 & 16  | 
| 
 7  | 
 closed  | 
 open  | 
| 
 5  | 
 open  | 
 closed  | 
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 JP1 controls wait-state bit2, JP2 controls wait-state bit 1. Exact setting are unidentified.  |