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 JP6/pins 1 & 2 closed alter 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 JP9/pins 1 & 2 closed CPURDY# » 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 JP17/pins 2 & 3 closed disabled » Floppy drive address is JP18/pins 1 & 2 closed 370-377h Floppy drive address is JP18/pins 2 & 3 closed 3F0-3F7h » Parallel port is JP19 open bi-directional Parallel port is JP19 closed uni-directional 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.