I²C, SMBus and hardware monitoring references

• I²C
  • General overview
  • I²C FAQ
  • Philips, the I²C developers
    This site contains many example programs
    
  • Simon Vogl's I²C Linux kernel module
  • Simon's I²C newsgroup
• SMBus
  • SMBus specification documents
• I²C and SMBus implementations
  • Intel PIIX4 (82371AB)
    Intel SMBus adapter, integrated with many other functions. There are datasheet for most chipsets.
  • VIA South Bridge (VT85C586B)
    VIA I²C adapter, integrated with many other functions. There is a separate section with datasheets.
    
• Hardware monitoring chips
  • National Semiconductors
    LM75/78/79/80 reference sheets.
  • Winbond
    W83781D reference sheet
  • Analog Devices
  • Linear Technologies
• Other protocol information
  • IPMI documentation
    Intelligent Platform Management Interface, a standard for hardware monitor chip reading
• Hardware monitoring implementations
  • The official lm_sensors homepage
  • Alexander Larsson's lm78 module
    This is the original module lm_sensors is based upon
  • Ronald Schmidt's lm78 module
  • Beowulf project lm78 module
    Written by Erik Hendriks
  • txwd, another lm78 module
  • András Major's LM75 module, and graphical monitor for it
  • A web-based hardware monitor
    This is created by Phil Edelbrock, one of our main project contributors
  • wmlm78 homepage wmlm78 is a graphical extension of lm_sensors, which can be docked in Window Manager.
  • klm
    Brendon Humphrey's KDE display program for lm_sensors.
• Other things
  • Recursive Make considered Harmful
    A paper on which the version 2 Makefile is based
  • Building a temperature sensor using a thermistor An article on the 3D Hardware site.