I have the Intel D945psn motherboard and when I used the pascalW 10.4.10 everything worked perfectly except I lost sound. After a number of attempted fixes I copied the applehda.kext out of the 10410backup folder and restored it to the systems/library/extentions folder. Rebooted and everything is working again.

Just thought I would try and save some people some time and frustration.

Cheers
TS