On Sat, Jan 29, 2011 at 7:09 AM, Volker Armin Hemmann <volkerar...@googlemail.com> wrote: > On Saturday 29 January 2011 06:33:39 Mark Knecht wrote: >> On Sat, Jan 29, 2011 at 6:18 AM, <meino.cra...@gmx.de> wrote: >> > Hi, >> > >> > when listing my hardware with lshw I find some stuff build >> > into my ASUS Crosshair IV Formula, which I seem not to use >> > and I like to know, for what it is good for: >> >> > These are excerpts from the output of lshw: >> <SNIP> >> >> > but...for what reason there is an audio device in my graphics card? >> > Sounds to me like a bicycle with onboard toaster... ;) >> >> I love the picture, however it is more likely for things like audio over >> HDMI.. >> >> > for the smbus thingy as for the ISA-bridge there no additional info. For >> > what reason there is an ISA bridge on a board which skipped floppy >> > controller and IDE??? >> >> The ISA stuff is likely for historical conformance to the PC >> architecture. Not sure if modern motherboards use it anymore, but >> maybe they do. >> > > they do. > http://en.wikipedia.org/wiki/Low_Pin_Count > >> IIRC the smbus is involved in power switch stuff. It's not unlike I2C >> but more simple. > > also the spd-eeprom on your memory modules can be accessed via smbus. And some > kinds of sensors chips. And a lot more. >
Yeah, makes sense that boot ROM/BIOS stuff is going to get accessed through there. Cheers, Mark