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

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 170-177h | JP10 | closed |
Hard drive port address is 1F0-1F7h | JP10 | open | |
| » | Normal Operation | JP11 | open |
Diagnostic Mode | JP11 | closed | |