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NCL 538, NCL 539

NCL AMERICA

NCL 538, NCL 539

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two AT Interface (IDE) drives

Floppy drives supported: NCL 538: Two 360KB, 720KB, 1.2MB, or 1.44MB

NCL 539: None

Maximum heads/cyl.: 16 heads and 2048 cylinders

CONNECTIONS

Function

Location

34-pin control cable connector-floppy drive (NCL 538 only)

CN1

40-pin AT Interface (IDE) control cable connector-internal

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 (538 only)

JP1

pins 1 & 2 closed

 

Floppy drive port address is 372-377h (538 only)

JP1

pins 2 & 3 closed

BIOS address is C800h

JP2

pins 1 & 2 closed

 

BIOS address is CC00h

JP2

pins 2 & 3 closed

Floppy Drive Interrupt is IRQ6 (538 only)

JP3

pins 1 & 2 closed

 

Floppy Drive Interrupt is IRQ10 (538 only)

JP3

pins 2 & 3 closed

Floppy Drive DMA Acknowledge is DACK2 (538 only)

JP4

pins 1 & 2 closed

 

Floppy Drive DMA Acknowledge is DACK3 (538 only)

JP4

pins 2 & 3 closed

IRQ Non-buffered

JP5

pins 1 & 2 closed

 

IRQ buffered

JP5

pins 2 & 3 closed

Floppy Drive DMA Request is DRQ2 (538 only)

JP6

pins 1 & 2 closed

 

Floppy Drive DMA Request is DRQ3 (538 only)

JP6

pins 2 & 3 closed

Hard Drive Interrupt is IRQ14

JP7

pins 1 & 2 closed

 

Hard Drive Interrupt is IRQ15

JP7

pins 2 & 3 closed

Zero wait state enabled

JP8

open

 

Zero wait state disabled

JP8

closed

BIOS enabled

JP9

closed

 

BIOS disabled

JP9

open

Hard drive port address is 1F0-1F7h

JP10

open

 

Hard drive port address is 170-177h

JP10

closed

Normal operation

JP11

open

 

Self-diagnostic mode

JP11

closed