Thanks for the guide, is excellent, but i mixed up with the DSDT patch and my motherboard is different that in the guide the chipset is the same, i have problems with video when i write the string line with efi studio the resolution that i only get is 1024x768, and the sound not working at al the kext that i use is the ACL662 but no exit, so i had to use and external audio, I need help to get this working at fully capacity, by the way, im using a 7600gt nvidia 256 mb and a cpu intel dual core 5200, but im going to buy an E7500 core two duo and start over again, any sugestions or advices? thanks