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NCL527

NCL AMERICA

NCL527

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard Drives Suppported: Two AT Interface (IDE) drives

Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Functions

Location

40-pin connector-IDE(AT) Interface

CN1

34-pin data cable connector-floppy drive

CN2

5-pin connector-DC power

PWR

4-pin connector-drive active LED

LED

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IOCHRDY connected to CN1, Pin 27

JP1

pins 1 & 2 closed

 

IOCHRDY connected to CN1, Pin 21

JP1

pins 2 & 3 closed

 

IOCHRDY not connected

JP1

open

IRQ14 connected directly to bus

JP3

pins 2 & 3 closed

 

IRQ14 enabled by pin 39 high

JP3

pins 1 & 2 closed

 

IRQ14 not connected to bus

JP3

open

DRIVE PORT ADDRESS

Hard Drive Address

Floppy Drive Address

JP2/pins 1 & 2

JP2/pins 3 & 4

1F0-1F7h

3F0-3F7h

open

open

 

170-177h

370-377h

open

closed

 

1F0-1F7h

Disabled

closed

closed

 

Disabled

3F0-3F7h

closed

open