I've got the same trouble with Asus M2N-MX SE motherboard. BIOS version number is 0602 (latest at this time), all settings is default. Ubuntu version is 9.04 with latest kernel.
Best -- powernow-k8: Your BIOS does not provide ACPI _PSS objects in a way that Linux understands https://bugs.launchpad.net/bugs/398109 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs