Originally Posted by LawlessPPC

waiting for root device means a chipset issue this could simply be a master and slave issue with drives or lack of chipset drivers. But without knowing your chipset I cant answer this question. Please dont just post motherboard models please post chipsets on these boards you will get an answers faster

Originally Posted by Kip McSkipster

I just completed an install with the same motherboard (btw, awesome disto, LawlessPPC!). I must've re-installed 6-10 times for various reasons, and I'm pretty sure at one point I experienced the "Waiting for root device" message. I believe it happened only after a previous attempt, and I suspect it has to do with a pre-existing partition. What fixed it for me - if I recall correctly - was to delete all partitions on the drive (on another machine, running Windows), then try re-installing OS X.