There is not enough memory to run RAVE‚Ñ¢. You need at least 1 Megabyte of RAM. Also, please check to see that you are NOT using MultiFinder and that the Control Panel's RAM Cache setting is OFF before running RAVE‚Ñ¢.
The Color/Grayscale setting is currently set to more than 2. Please use the Control Panel and change the monitor's Color/Grayscale setting to 2 before running RAVE‚Ñ¢. See pages 98, 102 of the Macintosh II owner's manual.