This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.
Get a 40MB Focus Hard Card from Alltech. Get an 800MB IDE 2.5" Quantum GO-drive from Computer Shopper sources for pennies. Replace the original drive on the Focus Hard Card with the big one (VERY easy and self-explanatory, just use a screw driver). Low level format, partition, and high level format. That's it! By: Scott G