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