EVEREX SYSTEMS, INC.
EV-390
| |
Data bus: |
8-bit, ISA |
Size: |
Full-length, full-height card |
Hard drive supported: |
Two MFM ST506/412 drives |
Floppy drives supported: |
Four 360KB drives |
CONNECTIONS | |
Function |
Location |
34-pin control cable connector - hard drive |
J1 |
20-pin data cable connector - drive 1 |
J2 |
20-pin data cable connector - drive 2 |
J3 |
37-pin external drive connector |
J4 |
34-pin control cable connector - floppy drive 1 |
J5 |
34-pin control cable connector - floppy drive 0 |
J6 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Floppy drives enabled |
W10 |
Closed |
Floppy drives disabled |
W10 |
Open | |
» |
Factory configured - do not alter |
SW1/jumper 5 |
N/A |
» |
Factory configured - do not alter |
SW1/jumper 6 |
N/A |
» |
Factory configured - do not alter |
SW1/jumper 7 |
N/A |
» |
Factory configured - do not alter |
SW1/jumper 8 |
N/A |
3.92A/3.93 EPROM CHIP DRIVE FORMATS - SW1 | ||||||
Capacity |
Heads |
Cylinders |
Drive 1 |
Drive 2 | ||
Jumper 3 |
Jumper 4 |
Jumper 1 |
Jumper 2 | |||
10MB |
4 |
306 |
Open |
Open |
Open |
Open |
10.7MB |
2 |
615 |
Closed |
Open |
Closed |
Open |
21.4MB |
4 |
615 |
Open |
Closed |
Open |
Closed |
31.9MB |
5 |
733 |
Closed |
Closed |
Closed |
Closed |
42.5MB |
5 |
977 |
Closed |
Closed |
Closed |
Closed |
3.94 EPROM CHIP DRIVE FORMATS - SW1 | ||||||
Capacity |
Heads |
Cylinders |
Drive 1 |
Drive 2 | ||
Jumper 3 |
Jumper 4 |
Jumper 1 |
Jumper 2 | |||
10MB |
4 |
306 |
Open |
Open |
Open |
Open |
42MB |
8 |
615 |
Closed |
Open |
Closed |
Open |
21.4MB |
4 |
615 |
Open |
Closed |
Open |
Closed |
42.8MB |
6 |
820 |
Closed |
Closed |
Closed |
Closed |
3.95 EPROM CHIP DRIVE FORMATS - SW1 | ||||||
Capacity |
Heads |
Cylinders |
Drive 1 |
Drive 2 | ||
Jumper 3 |
Jumper 4 |
Jumper 1 |
Jumper 2 | |||
80.2MB |
9 |
1024 |
Open |
Open |
Open |
Open |
42MB |
8 |
615 |
Closed |
Open |
Closed |
Open |
21.4MB |
4 |
615 |
Open |
Closed |
Open |
Closed |
42.8MB |
6 |
820 |
Closed |
Closed |
Closed |
Closed |
3.96 EPROM CHIP DRIVE FORMATS - SW1 | ||||||
Capacity |
Heads |
Cylinders |
Drive 1 |
Drive 2 | ||
Jumper 3 |
Jumper 4 |
Jumper 1 |
Jumper 2 | |||
44.5MB |
5 |
1024 |
Open |
Open |
Open |
Open |
71.3MB |
8 |
1024 |
Closed |
Open |
Closed |
Open |
21.4MB |
4 |
615 |
Open |
Closed |
Open |
Closed |
31.9MB |
5 |
733 |
Closed |
Closed |
Closed |
Closed |
3.97 EPROM CHIP DRIVE FORMATS - SW1 | ||||||
Capacity |
Heads |
Cylinders |
Drive 1 |
Drive 2 | ||
Jumper 3 |
Jumper 4 |
Jumper 1 |
Jumper 2 | |||
42.2MB |
6 |
809 |
Open |
Open |
Open |
Open |
10.7MB |
2 |
615 |
Closed |
Open |
Closed |
Open |
21.4MB |
4 |
615 |
Open |
Closed |
Open |
Closed |
31.9MB |
5 |
733 |
Closed |
Closed |
Closed |
Closed |
42.5MB |
5 |
977 |
Closed |
Closed |
Closed |
Closed |