Hi there I want to ask one question.Can anyone tell me how can i change my hard disk from IDE to ACHI in BIOS.I've tryed but still cant find that to change or dont have that option in my bios dunno. Pls someone help me whit this,and write some guide how to change the HD from IDE to ACHI mode. I need that to instal MAC OS 10.5 on my PC. ty