NCL AMERICA
NCL 525
| |
Data bus: |
16-bit, ISA |
Size: |
Three/quarter-length, full-height card |
Hard drive supported: |
Four IDE(AT) Interface drives |
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function |
Location |
40-pin IDE(AT) Interface connector - IDE-0 |
J5 |
40-pin IDE(AT) Interface connector - IDE-1 |
J6 |
34-pin control cable connector - floppy drive |
J3 |
4-pin connector - Drive active LED |
J4 |
BIOS ADDRESS | |||
Address |
Jumper JP8 |
Jumper JP8A | |
C800h |
open |
open | |
CC00h |
closed |
open | |
D800h |
open |
closed | |
DC00h |
closed |
closed |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
DMA Request channel is DRQ2 |
JP1 |
Pins 1 & 2 closed | |
DMA Request channel is DRQ3 |
JP1 |
Pins 2 & 3 closed | |
DMA Acknowledge channel is DACK2 |
JP2 |
Pins 1 & 2 closed | |
DMA Acknowledge channel is DACK3 |
JP2 |
Pins 2 & 3 closed | |
IDE-0 Hard Drive interrupt is IRQ14 |
JP3 |
Pins 1 & 2 closed | |
IDE-0 Hard Drive interrupt is IRQ11 |
JP3 |
Pins 2 & 3 closed | |
IDE-1 Hard Drive interrupt is IRQ15 |
JP4 |
Pins 1 & 2 closed | |
IDE-1 Hard Drive interrupt is IRQ12 |
JP4 |
Pins 2 & 3 closed | |
IDE-0 IRQ Buffer mode disabled |
JP5 |
Pins 1 & 2 closed | |
IDE-0 IRQ Buffer mode enabled |
JP5 |
Pins 2 & 3 closed | |
IDE-0 I/O Channel Ready disabled |
JP6 |
open | |
IDE-0 I/O Channel Ready enabled |
JP6 |
closed | |
IDE-1 I/O Channel Ready disabled |
JP7 |
open | |
IDE-1 I/O Channel Ready enabled |
JP7 |
closed | |
Floppy drive interrupt is IRQ6 |
JP9 |
Pins 1 & 2 closed | |
Floppy drive interrupt is IRQ10 |
JP9 |
Pins 2 & 3 closed | |
Floppy drive port address is 3F2-3F7h |
JP10 |
closed | |
Floppy drive port address is 372-377h |
JP10 |
open | |
IDE-0 normal operation mode enabled |
JP11 |
open | |
IDE-0 diagnostic mode enabled |
JP11 |
closed | |
IDE-1 normal operation mode enabled |
JP12 |
open | |
IDE-1 diagnostic mode enabled |
JP12 |
closed | |
IDE-1 IRQ Buffer mode disabled |
JP13 |
Pins 1 & 2 closed | |
IDE-1 IRQ Buffer mode enabled |
JP13 |
Pins 2 & 3 closed | |
Floppy drive enabled |
JP14 |
open | |
Floppy drive disabled |
JP14 |
closed |