NCL AMERICA

NCL 536, NCL 537

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drive supported:

Two IDE(AT) Interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives (NCL 537 only)

CONNECTIONS

Function

Location

34-pin control cable connector - floppy drive (NCL 537 only)

CN1

40-pin IDE(AT) Interface connector

CN2

4-pin connector - Drive active LED

CN3

5-pin connector - DC power

JP11

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Floppy drive port address is 3F2-3F7h

JP1

Pins 1 & 2 closed

 

Floppy drive port address is 372-377h

JP1

Pins 2 & 3 closed

»

Floppy drive interrupt is IRQ6

JP3

Pins 1 & 2 closed

 

Floppy drive interrupt is IRQ10

JP3

Pins 2 & 3 closed

»

DMA Acknowledge channel is DACK2

JP4

Pins 1 & 2 closed

 

DMA Acknowledge channel is DACK3

JP4

Pins 2 & 3 closed

»

IRQ Buffer mode disabled

JP5

Pins 1 & 2 closed

 

IRQ Buffer mode enabled

JP5

Pins 2 & 3 closed

»

DMA Request channel is DRQ2

JP6

Pins 1 & 2 closed

 

DMA Request channel is DRQ3

JP6

Pins 2 & 3 closed

»

Hard Drive interrrupt is IRQ14

JP7

Pins 1 & 2 closed

 

Hard Drive interrrupt is IRQ15

JP7

Pins 2 & 3 closed

»

I/O Channel Ready disabled

JP8

open

 

I/O Channel Ready enabled

JP8

closed

»

Hard drive port address is 1F0-1F7h

JP10

open

 

Hard drive port address is 170-177h

JP10

closed

»

Normal operation mode enabled

E1

open

 

Diagnostic mode enabled

E1

closed