Install Me First CD: Booting Into At Ease

Why does the Install Me First CD sometimes startup into At Ease and sometimes into Finder?
There are two ways to startup from the Install Me First CD:

The installation of At Ease and the system software on the Install Me First CD does not allow disabling of extensions at startup. Also, there is no message indicating the extensions are off.

At Ease will not be disabled if the Shift key is held down until the "Welcome To Macintosh" is displayed. The Shift key must be held down until after the "Welcome to Macintosh" screen is displayed.

If At Ease is preferred and did not load, follow these steps:
Published Date: Feb 19, 2012