Hi! > > > Firstly, the first records of hidden SMBus, in September 2000, predate > > > ACPI. > > > > The earliest ACPI spec I have handy is 1.0b, which came out in Feb 2 1999 > > so this isn't true. The all knowing (and always accurate :) wikipedia > > claims it was first released in 1996, though I believe that all the pre 1.0b > > machines were using acpi implementations before the standard was finalised. > > > > I certainly remember seeing ACPI capable machines circa 1997/1998. > > Yeah, and these early ACPI implementations were so good that we have an > option to blacklist them. > arch/i386/defconfig:CONFIG_ACPI_BLACKLIST_YEAR=2001 > > My point (which you didn't quote) was that there is no correlation > between the SMBus being hidden and ACPI accessing the hardware > monitoring chip, contrary to what Pavel was suggesting. It may not be correlated with ACPI, but BIOS authors clearly want to keep you away from their SMBus controllers.... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html