But 90% of System 6 software runs fine in System 7; the software limitation is usually the colour depth/resolution of the application in earlier software, not the CPU.  Most applications with B&W support run on anything.

With games, most first-person shooters required an '030 and were unplayable, needing an '040 to be decent.  Most CD-ROM games need '030 and 256 colours, 640 x 480 and above.

JB