VERY IMPORTANT!

If your computer has less than 128M of RAM,
Descent 3 Demo requires that you enable
virtual memory. 
Follow the instructions below after installation.

1. Under the Apple Menu on your Macintosh desktop, select 
    "Control Panels" then select "Memory".
2. Turn "Virtual Memory" on.
3. Set the editable field to 128 (or greater).
4. Close the "Memory" dialog box and restart your computer.