NCL AMERICA NCL 539C Data bus: 16-bit, ISA Size: Half-length, full-height card Hard drives supported: Two IDE (AT) Interface drives Floppy drives supported: None [Image] CONNECTIONS Function Location 40-pin IDE (AT) Interface connector-internal CN2 4-pin connector-drive active LED CN3 5-pin connector-DC Power CN4 USER CONFIGURABLE SETTINGS Function Location Setting » BIOS address is DC00h JP2 pins 1-2 closed BIOS address is CC00h JP2 pins 2-3 closed » IRQ connected directly to host JP5 pins 1-2 closed IRQ Buffer mode enabled JP5 pins 2-3 closed » Interrupt request is IRQ15 JP7 pins 2-3 closed Interrupt request is IRQ14 JP7 pins 1-2 closed » I/O Channel Ready disabled JP8 open I/O Channel Ready enabled JP8 closed » BIOS enabled JP9 closed BIOS disabled JP9 open » Hard drive port address is JP10 closed 170-177h Hard drive port address is JP10 open 1F0-1F7h » Normal Operation JP11 open Diagnostic Mode JP11 closed