There are 2 main problems with the SB600 support, thats the reason why no one fix works for everyone. For some people AppleOnboardPCATA needs to have the PATA Device ID put in to get past waiting for root device for install. Others need it completely removed and rely on AppleGenericPCATA. If your using an IDE hard drive drive manually settings the bootflag rd=disk#s# where the #'s correspond to your disk and partition you are booting from. It may help if you can post your current drive configuration also. Did you install the VIA-SB chipset drivers during install?