Amiga CGIO Character Generator I/O Stuff

Hardware configuration guide for EPG & Prevue service I/O components on Amiga systems, including remote keyboard, audio cart, and video cart signal connections.


Amiga CGIO Character Generator I/O Stuff - cover page
Brand
Amiga
Category
Other
Document type
User Manual
Language
English
Pages
2
File format
PDF
File size
17 KB
Published
05 November, 2026
Updated
05 November, 2026
MD5 checksum
1A3B59857A6E8D9DD97276D91FE34347

About this manual

This document details the hardware setup for EPG and Prevue services on Amiga systems, covering remote keyboard, audio cart, video cart, 110 baud control data, A2000 differences, and 2400 baud data. It explains pin assignments and signal connections for each component. For example, remote keyboard uses mouse port 1 for data and carrier detect, while audio cart uses the 2400 baud line to control equipment via a relay. Video insertion timing is managed via CD (pin 8) on the serial port.

What's inside

  • Remote Keyboard
  • Audio Cart
  • Video Cart
  • 110 Baud Control Data
  • A2000 Differences
  • 2400 Baud Data

Frequently asked questions

What pins are used for remote keyboard data and carrier detect on EPG?

Data goes into port 1 fire button (pin 6 on mouseport 1), and carrier detect comes in on pin 9 of the same port.

How is the audio cart enabled on Prevue?

The word 'CART' must be a parameter in the startup-sequence after the select code.

What is the function of CD (pin 8) on the serial port for video insertion on Prevue?

CD is the timer switch that must be held low for video insertion to occur.

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