NCL 5525, NCL 5526 Hard Disk/Floppy Controller Settings and Configuration
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 |
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