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NCL 5525, NCL 5526

NCL AMERICA

NCL 5525, NCL 5526

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two ST506/412 MFM drives

Floppy drives supported: NCL 5525:Two 360 KB, 720 KB, 1.2 MB, or 1.44 MB drives

NCL 5526:None

Maximum heads/cyl.: 16 heads and 2048 cylinders

CONNECTIONS

34-pin control cable connector-hard drive

CN1

20-pin data cable connector-drive 0

CN2

20-pin data cable connector-drive 1

CN3

34-pin control cable connector-floppy drive (NCL 5525 only)

CN4

4-pin connector-DC power

CN5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive address is 1F0-1F7h

JP0

open

 

Hard drive address is 170-177h

JP0

closed

Floppy drive address is 3F2-3F7h

JP1 & JP4

open

 

Floppy drive address is 372-377h

JP1 & JP4

closed

Factory configured - do not alter

JP3

N/A

Factory configured - do not alter

JP5

pins 2 & 3 closed