...because we can't all be on the bleeding edge...





EV-390

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