I installed YD4 on my 300mhz G3 (one of http://www.memoryx.net/powg3bluwhit.html those), which I upgraded with a 60GB WD HD and 712MB of PC-133 ram. After the install however, I was unable to get to the system to boot (loads a folder with the mac things that flashes to a question mark). Anyone have any ideas how I can get it working?