I use a very old scrap 40 Mb IDE harddisc that I formatted in Windows and this thing boots up Amithlon for me. My config is cheap. It's a Fujitsu Cordant, a Celeron 366 Mhz with 440 Mb Ram, GeForce2 MX 400 64 Mb gfx, SB128 PCO sound but no network yet, 6 Gb hd and 40x cdrom. Thing works like a charm.
Memory. I tested Amithlon first on my main pc with 1,5 Gb of memory. Refused to work, got error message that there was not enough memory avaliable ... :-o
1 Gb seems to be the limit ...
@Bill : I only got one screenmode using my Hercules Prophet II Titanium GeForce2 based card. Don't know what went wrong.