MAYNARD ELECTRONICS, INC.

SANDSTAR SERIES

Data bus: 8-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: None

Maximum heads/cyl.: 16 heads and 1024 cylinders

CONNECTIONS

Function

Location

20-pin data cable connector-drive 1

J1

20-pin data cable connector-drive 0

J2

34-pin control cable connector-hard drive

J3

DRIVE TYPE - S1

#

Hds.

Cyl.

Switch 1-Drv 0

Switch 5-Drv 1

Switch 2-Drv 0

Switch 6-Drv 1

Switch 3-Drv 0

Switch 7-Drv 1

Switch 4-Drv 0

Switch 8-Drv 1

A

2

306

closed

closed

closed

closed

B

4

306

open

closed

closed

closed

C

4

306

closed

open

closed

closed

D

4

320

open

open

closed

closed

E

2

612

closed

closed

open

closed

F

6

306

open

closed

open

closed

G

4

512

closed

open

open

closed

H

3

697

open

open

open

closed

I

8

306

closed

closed

closed

open

J

4

612

open

closed

closed

open

K

4

640

closed

open

closed

open

L

6

512

open

open

closed

open

M

5

697

closed

closed

open

open

N

6

612

open

closed

open

open

O

6

640

closed

open

open

open

P

8

480

open

open

open

open