IRWIN

400S, 499

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

Tape drive interface

J3

Note:Number of pins is unidentified.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

PC’s <386-20 mode enabled

B/1

Open

 

PC’s >386-20 mode enabled

B/1

Closed

»

Factory configured - do not alter

D/1

Open

 

45/60MB mode enabled

D/2

Closed

 

45/60MB mode disabled

D/2

Open

 

QIC-24 format enabled

D/3

Closed

 

QIC-11 format enabled

D/3

Open

»

POST enabled

E/1

Closed

 

POST disabled

E/1

Open

»

Factory configured - do not alter

E/2

Open

»

Factory configured - do not alter

E/3

Open

»

Factory configured - do not alter

E/4

Open

Note:When installing the controller in a PC >386-20 disable POST.

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

Open

Open

Open

Open

Open

Closed

Open

200h

Open

Open

Open

Open

Open

Open

Closed

220h

Open

Open

Closed

Open

Open

Open

Closed

280h

Open

Open

Open

Open

Closed

Open

Closed

300h

Open

Open

Open

Open

Open

Closed

Closed

338h

Closed

Closed

Closed

Open

Open

Closed

Closed

350h

Open

Closed

Open

Closed

Open

Closed

Closed

360h

Open

Open

Closed

Closed

Open

Closed

Closed

370h

Open

Closed

Closed

Closed

Open

Closed

Closed

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 400S and 499 are used with FT60 tape drive. The tape drive cannot be used in EISA systems , 486 or 386 faster than 25MHz.