NCL AMERICA NCL527 Data bus: 16-bit, ISA Size: Half-length, full-height card Hard Drives Suppported: Two AT Interface (IDE) drives Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives [Image] CONNECTIONS Functions Location 40-pin connector-IDE(AT) Interface CN1 34-pin data cable connector-floppy drive CN2 5-pin connector-DC power PWR 4-pin connector-drive active LED LED USER CONFIGURABLE SETTINGS Function Location Setting » IOCHRDY connected to CN1, Pin JP1 pins 1 & 2 27 closed IOCHRDY connected to CN1, Pin JP1 pins 2 & 3 21 closed IOCHRDY not connected JP1 open » IRQ14 connected directly to JP3 pins 2 & 3 bus closed IRQ14 enabled by pin 39 high JP3 pins 1 & 2 closed IRQ14 not connected to bus JP3 open DRIVE PORT ADDRESS Hard Drive Address Floppy Drive JP2/pins 1 & 2 JP2/pins 3 & 4 Address » 1F0-1F7h 3F0-3F7h open open 170-177h 370-377h open closed 1F0-1F7h Disabled closed closed Disabled 3F0-3F7h closed open