NCL AMERICA
NCL 5427
Data bus: 8-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two MFM ST506/412
Floppy drives supported: None
CONNECTIONS | |
Function | 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 |
5-pin connector-DC power | CN4 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Supports up to 8 heads | JP1 | pins 1 & 2 closed |
Supports up to 16 heads | JP1 | pins 2 & 3 closed |
BIOS DRIVE TYPE TABLE FOR THE NCL5427 - SW1 | |||||||||
Hd/Cyl | # | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
3/1024 | 1 | on | on | on | off | off | off | off | off |
2 | off | off | off | off | on | on | on | on | |
4/612 | 1 | on | on | off | off | off | off | off | off |
2 | off | off | off | off | on | on | on | on | |
6/820 | 1 | on | off | on | off | off | off | off | on |
5/1024 | 1 | on | off | on | off | off | off | off | on |
4/612 | 1 | off | on | on | off | off | off | off | off |
2 | off | off | off | off | off | on | on | off | |
8/1024 | 1 | off | on | off | off | off | off | off | on |
4/306 | 1 | off | off | on | off | off | off | off | off |
2 | off | off | off | off | off | off | on | off | |
8/615 | 1 | off | off | off | off | off | off | off | on |
7/1024 | 1 | on | on | on | on | off | off | off | on |
9/1024 | 1 | on | on | off | on | off | off | off | on |
5/695 | 1 | on | on | on | on | off | off | off | off |
2 | on | on | off | on | on | off | on | off | |
6/1024 | 1 | off | on | off | on | off | off | off | on |
10/823 | 1 | on | on | on | on | off | off | off | off |
2 | on | on | off | on | off | on | on | off | |
4/1024 | 1 | on | on | off | on | off | off | off | on |
5/820 | 1 | on | on | on | on | off | off | off | on |
7/820 | 1 | on | on | off | on | off | off | off | on |
Note:SW1/switch 8 must be "on" before power-up to enable the drive splitting feature. |
MISCELLANEOUS TECHNICAL NOTES |
This controller has a built-in, low-level format program. To enter the program run the DEBUG utility supplied with DOS and at the prompt enter: G=C800:5 |