Company
Great Valley Products, USA
Date
1993
Amiga
A2000, A3000, A4000
Interface
Zorro II
Autoconfig ID
2017 / 11
    serial and parallel interface
  • one DB25 parallel port
  • two buffered DB9 serial ports
  • 1-614400 bps serial transfer speed
  • ST16C552 interface chip with 16 byte buffer
  • MIDI sub-port for optional MIDI expansion box - 1 IN, 3 Out, 1 Thru
  • expansion port for optional RS422 or second RS232 kit
  • parallel port can be set to be Amiga or IBM compatible
    • Amiga: 5V supplied on pin 14
    • IBM: no power supplied
  • works together with G-Force parallel ports
  • supports multiple IOExtenders in one machine
  • not compatible with ParNet
  • supported by Linux
Great Valley Products IOExtender -  front side
front side
Great Valley Products IOExtender -  front side
front side
Great Valley Products IOExtender -  back side
back side

Advert (US)
1998-05

Advert (US)
1999-03

Advert (US)
1992-11

Advert (FR)
1993-06

Advert (US)
1993-11

Advert (US)
1994-04