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





NCL5127

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