NCL 5425 Hard Disk/Floppy Controller Settings and Configuration
NCL AMERICA
NCL 5425
Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two ST506/412MFM drives
Floppy drives supported: NCL 5425:Two 360 KB, 720 KB, 1.2 MB or 1.44 MB drives
Maximum heads/cyl.: 16 heads and 2048 cylinders
CONNECTIONS | |
Purpose | Location |
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 data cable connector-floppy drive | CN4 |
4-pin connector-drive active LED | CN5 |
NCL AMERICA
NCL 5425
. . . continued from previous page
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Hard drive address is 1F0-1F7h | JP0 | open |
Hard drive address is 170-177h | JP0 | closed | |
| » | Floppy drive port address is 3F2-3F7h | JP1 | open |
Floppy drive port address is 372-377h | JP1 | closed | |
| » | LED always "on" | JP2 | open |
LED "on" only when drive is select | JP2 | closed | |
| » | Factory configured - do not alter | JP3 | N/A |
| » | Factory configured - do not alter | JP4 | open |
DRIVE TYPES SUPPORTED BY THE NCL542X FIRMWARE | ||||
TYPE | HEADS | CYLS. | W.P.C. | L.Z. |
1 | 4 | 306 | 128 | 305 |
2 | 4 | 615 | 300 | 615 |
3 | 6 | 615 | 300 | 615 |
4 | 8 | 940 | 512 | 940 |
5 | 6 | 940 | 512 | 940 |
6 | 4 | 615 | N/A | 615 |
7 | 8 | 462 | 256 | 511 |
8 | 5 | 733 | N/A | 733 |
9 | 15 | 900 | N/A | 901 |
10 | 3 | 820 | N/A | 820 |
11 | 5 | 855 | N/A | 855 |
12 | 7 | 855 | N/A | 855 |
13 | 8 | 306 | 128 | 319 |
14 | 7 | 733 | N/A | 733 |
15 | Reserved | - | - | - |
My Books
