SC402 IO card Settings and Configuration

Card Type

Tape drive controller

Hard Drives supported

None

Floppy drives supported

None

Data Bus

8-bit ISA

Card Size

Half-length, full-height

CONNECTIONS

Function

Label

Function

Label

Tape drive interface - external

J2

Tape drive interface - internal

J3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

A/8

Closed

»

Factory configured - do not alter

B/1

Open

DMA CHANNEL SELECTION

Channel

C/1

C/2

C/3

C2/1

C2/2

C2/3

»

1

Closed

Open

Open

Closed

Open

Open

2

Open

Closed

Open

Open

Closed

Open

3

Open

Open

Closed

Open

Open

Closed

BASE I/O ADDRESS SELECTION

Address

A/1

A/2

A/3

A/4

A/5

A/6

A/7

100h

Closed

Closed

Closed

Closed

Closed

Open

Closed

»

200h

Closed

Closed

Closed

Closed

Closed

Closed

Open

220h

Closed

Closed

Open

Closed

Closed

Closed

Open

280h

Closed

Closed

Closed

Closed

Open

Closed

Open

300h

Closed

Closed

Closed

Closed

Closed

Open

Open

338h

Open

Open

Open

Closed

Closed

Open

Open

350h

Closed

Open

Closed

Open

Closed

Open

Open

360h

Closed

Closed

Open

Open

Closed

Open

Open

370h

Closed

Open

Open

Open

Closed

Open

Open

INTERRUPT SELECTION

Setting

B/2

B/3

B/4

B/5

B/6

B/7

IRQ2

Closed

Open

Open

Open

Open

Open

»

IRQ3

Open

Closed

Open

Open

Open

Open

IRQ4

Open

Open

Closed

Open

Open

Open

IRQ5

Open

Open

Open

Closed

Open

Open

IRQ6

Open

Open

Open

Open

Closed

Open

IRQ7

Open

Open

Open

Open

Open

Closed

MISCELLANEOUS TECHNICAL NOTES

The SC402 is used with FT150 tape drive. The tape drive cannot be used in EISA systems , 486 or 386 faster than 25MHz.