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 |