Here a website with useful ACPI information for Linux laptops:
http://linux.aldeby.org/bios-dst.html
And here some developments for the Asus Optimus laptops and vga_switcheroo:
https://lists.launchpad.net/hybrid-graphics-linux/msg00143.html
http://linux.aldeby.org/bios-dst.html
And here some developments for the Asus Optimus laptops and vga_switcheroo:
https://lists.launchpad.net/hybrid-graphics-linux/msg00143.html