NCL AMERICA
NCL 5427
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Data bus: 8-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two MFM ST506/412
Floppy drives supported: None
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CONNECTIONS | |
|
Function |
Location |
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34-pin control cable connector-hard drive |
CN1 |
|
20-pin data cable connector-drive 0 |
CN2 |
|
20-pin data cable connector-drive 1 |
CN3 |
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5-pin connector-DC power |
CN4 |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
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Supports up to 8 heads |
JP1 |
pins 1 & 2 closed | |
|
Supports up to 16 heads |
JP1 |
pins 2 & 3 closed | |
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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 |
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Note:SW1/switch 8 must be "on" before power-up to enable the drive splitting feature. | |||||||||
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MISCELLANEOUS TECHNICAL NOTES |
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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 |