Messages in this thread | | | Subject | Re: RFC: Adding no-BIOS support to Linux? | Date | Tue, 15 Feb 2000 16:12:25 +0000 (GMT) | From | Alan Cox <> |
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> >APM, and several framebuffer drivers (which directly or indirectly rely > >on BIOS) wouldn't work. > > APM requires Intel Pentium System Management Mode (SMM/SMI), I am not > share if this is under NDA, like the Intel BIOS writers guide (sp?).
SMM is documented but is very weird. One thing to bear in mind is that you don't have to hide power management from the OS which is half the reason for SMM mode. You can do your power management directly in Linux by hitting hardware registers
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