The Multi-Channel Option is designed for users who need multiple viewports from within an application, such as visual simulation, virtual reality, or entertainment applications.

Use the following information as a quick reference for Multi-Channel Option.

The Multi-Channel Option runs on these compute platforms:

Requirements are:

The option consists of a board that fits into a VME slot in the chassis, plus paddleboards, cables, I/O panels, and software.

The Multi-Channel Option Owner's Guide includes the following chapters and appendices:

Chapter 1 

“Using Multi-Channel Option” explains features of the option, including formats.

Chapter 2 

“Using setmon” explains how to use the setmon command to set output format.

Chapter 3 

“Using the Multi-Channel Option Panel” explains how to use the panel to fine-tune video outputs.

Appendix A 

“Hardware Specifications” summarizes Multi-Channel Option technical information.

Appendix B 

“Multi-Channel Option Error Messages” lists error messages with explanations and solutions.

Appendix C 

“Setting VME Addresses” explains how to reset the Multi-Channel Option board address.

Appendix D 

“Cabling the VIDI/O BOX” explains how to cable the VIDI/O BOX™ available from Truevision® (Indianapolis, IN) so that it works with the Multi-Channel Option.

A glossary and an index complete this guide.


In command syntax descriptions and examples, square brackets ( [ ] ) surrounding an argument indicate an optional argument. Variable parameters are in italics. Replace these variables with the appropriate string or value.

In text descriptions, IRIX filenames are in italics. The names of IRIS® keyboard keys are printed in boldface typewriter font and enclosed in angle brackets, such as <Enter> or <Esc>.

Messages and prompts that appear on-screen are shown in typewriter font. Entries that are to be typed exactly as shown are in boldface typewriter font.