Just to let you know that with F13, I've modified grub.conf to add acpi_osi="!Windows 2006" and STAMINA-SPEED switch works. I've enabled 3DCompiz and it works with Intel and also with Nvidia. Keeping Speed switch on and go to suspend and back, will enable Intel graphics and light on Stamina will go on. I do get "No 3D graphics" sometimes with Nvidia
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