You may need to turn something on in the Bios for the SMBus interface to be properly set up at boot-time? A relevent snippet from the i2c-i801 doc: "If you do NOT see the 24x3 device at function 3, and you can't figure out any way in the BIOS to enable it, (and especially if you have an Asus P4B board), see prog/hotplug/README.p4b." See: http://secure.netroedge.com/~lm78/cvs/browse.cgi/lm_sensors2/prog/hotplug/README.p4b Phil Rudolf Marek wrote: > > Hello, > > Ovis came with Intel D915GEV desktop board (very new board) > > here on the picture: > http://www.intel.com/design/motherbd/ev/pix/D915GEV_lg.jpg > > 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev d3) > 00:1f.0 ISA bridge: Intel Corp.: Unknown device 2640 (rev 03) > 00:1f.1 IDE interface: Intel Corp.: Unknown device 266f (rev 03) > 00:1f.3 SMBus: Intel Corp.: Unknown device 266a (rev 03) > [...]