Yep, it worked ... ! Reboot/Halt works well without SleepEnabler.kext .. i've removed before upgrading to 10.6.7 ...
what did you do if i can ask?
Never shout too loud! : I use this computer manly for making music, so cpu use during production is intense ...
The problem is that i have crackles, because my cpu usage now reach easly 100% with songs that i've made days ago, on this computer, without problems... maybe a problem with bad power states?
There is something that's wrong .... my ram works at 607mhz instead of 667 (now fixed that in com.boot.plist ), but my FSB clock is 725 Mhz, when it should be 800 ...
I've removed voodoPowerMini kext, then installed voodooHda to see if crackles go away, but i won't use that kext, autosensing is not working!
Now i've disinstalled voodooHda ... restored my old appleHda.kext ... and voilà ... audio now is not working at ALL !
Very good! ...i'll search for audio dsdt native support .. (ALC268 integrated soundcard)
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Reinstalled appleHda, voodoopower removed, now audio works and my audio software doesn't give problems.. but my cpu temp is around 53°C and doesn't get lower ... i will check all things related to fsb maybe the problem is "near" that ..