ok will try that. anyway i got it installed, without the dsdt patch, i was wondering if that is needed for the cpus=1 option to be gone? also i have no luck with the graphic card and wifi sofar... Nvidia geforce g102m 512 vram and atheros wifi. if you have any suggestions i would be glad to hear them

cheers

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MSI P5Q / C2D E8400 @ 3.0 Ghz / 8GB DDR2 800Mhz / PCIe ECS 9600GT 1Gb / ALC1200 / Windows 7 / OS X 10.8
ASUS K50IN (SX004L) / C2D T6400 @ 2.0 Ghz / 4GB DDR2 800Mhz / nVidia G102M 512Mb / 15.6" HD/LED / ALC662 / Dell 1490 802.11g / Windows 7 / OS X 10.8