In fact, this was the basis for the Macintosh 512k in the 1980s, whose main feature was that it was essentially the same machine as the Macintosh 128k, but with quadruple the memory as its ...

And if you have a Mac 128k and still haven’t upgraded to the 512k yet, grab one of these memory switching modules for the upgrade too.

Via TUAW, a cool, albeit useless hack demonstrated by YouTube user napabar (make sure to check out his other videos featuring a Mac 512K). I guess “useless” is subjective, though. Maybe there are ...