>> The problem i have is that i had to pass the command no=acpi to >> install suse, so how do I do this with centos. > I recall it was acpi=off > Just before installation you can type: > > linux acpi=off > > > It was only needed for installation. Afterwards I could remove the > option from /boot/grub/grub.info and the computer booted fine. > Or you can add it back if you run into stability issues.