NCL AMERICA
NCL5127
|
Data bus: 8-bit, ISA
Size: Half-length, full-height card
Hard Drives Supported: Two MFM ST506/412 drives
Floppy Drives Supported: None
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 |
5-pin connector-DC power |
CN4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
BIOS enabled |
JP1 |
pins 1 & 2 closed |
BIOS disabled |
JP1 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
JP4 |
pins 2 & 3 closed |
» |
Head select is 8 or less |
JP6 |
pins 1 & 2 closed |
Head select is up to 16 |
JP6 |
pins 2 & 3 closed |
DRIVE TABLE FOR NCL-5127 BIOS | |||||
Drive Type # |
Heads |
Cylinders |
Drive Type # |
Heads |
Cylinders |
0 |
7 |
699 |
8 |
6 |
640 |
1 |
6 |
612 |
9 |
5 |
733 |
2 |
4 |
640 |
10 |
7 |
733 |
3 |
4 |
612 |
11 |
5 |
830 |
4 |
2 |
612 |
12 |
7 |
830 |
5 |
2 |
306 |
13 |
10 |
830 |
6 |
4 |
320 |
14 |
15 |
918 |
7 |
4 |
306 |
15 |
5 |
977 |
Note:Types 10-15 are supported by Virtual Split only
|
DRIVE 0 CONFIGURATION TABLE | ||||||||
# |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
0 |
closed |
closed |
closed |
open |
open |
open |
open |
closed |
1 |
closed |
closed |
open |
open |
open |
open |
open |
open |
2 |
closed |
open |
closed |
open |
open |
open |
open |
open |
3 |
closed |
open |
open |
open |
open |
open |
open |
open |
4 |
open |
closed |
closed |
open |
open |
open |
open |
open |
5 |
open |
closed |
open |
open |
open |
open |
open |
open |
6 |
open |
open |
closed |
open |
open |
open |
open |
open |
7 |
open |
open |
open |
open |
open |
open |
open |
open |
8 |
closed |
closed |
closed |
closed |
open |
open |
open |
open |
9 |
closed |
closed |
open |
closed |
open |
open |
open |
open |
10 |
closed |
open |
closed |
closed |
open |
open |
open |
closed |
11 |
closed |
open |
open |
closed |
open |
open |
open |
closed |
12 |
open |
closed |
closed |
closed |
open |
open |
open |
closed |
13 |
open |
closed |
open |
closed |
open |
open |
open |
closed |
14 |
open |
open |
closed |
closed |
open |
open |
open |
closed |
15 |
open |
open |
open |
closed |
open |
open |
open |
closed |
DRIVE 1 CONFIGURATION TABLE | ||||||||
# |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
1 |
open |
open |
open |
open |
closed |
closed |
open |
open |
2 |
open |
open |
open |
open |
closed |
open |
closed |
open |
3 |
open |
open |
open |
open |
closed |
open |
open |
open |
4 |
open |
open |
open |
open |
open |
closed |
closed |
open |
5 |
open |
open |
open |
open |
open |
closed |
open |
open |
6 |
open |
open |
open |
open |
open |
open |
closed |
open |
7 |
open |
open |
open |
open |
open |
open |
open |
open |
8 |
open |
open |
open |
closed |
closed |
closed |
closed |
open |
9 |
open |
open |
open |
closed |
closed |
closed |
open |
open |