mirror of
https://github.com/lm-sensors/lm-sensors.git
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Frodo Looijaard
657798a79c
Note: GL518SM driver need this change, too; this is not yet done. git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@106 7894878c-1315-0410-8ee3-d5d059ff63e0
82 lines
4.3 KiB
Plaintext
82 lines
4.3 KiB
Plaintext
This is the completely rewritten version of lm_sensors, a collection of
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modules for general SMBus access and hardware monitoring. There are quite
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a few changes compared with 1.x.y versions; read doc/version-2 for the
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most interesting ones.
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WARNING! This is a BETA release. It is not compatible with any programs
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which are built upon the 1.x.y versions, like wmlm78 or klm. We expect
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version 2 will soon be supported by them, though. As beta release, there
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may be problems, and not all version 1 chips are yet supported. Not
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everything is tested exhaustively, either, often because we simply do
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not have access to the hardware. Please share your experiences, both
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good and bad, regarding this package with us at <lm78@stimpy.netroedge.com>.
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WARNING! If you downloaded this package through our CVS archive, you walk
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the cutting edge. Things may not even compile! On the other hand, you will
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be the first to profit from new drivers and other changes. Have fun!
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As a rule of thumb: if you have a PIIX4 with LM78/79 and LM75 chips, things
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should run without problem. The GL518 driver is completely untested. All
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supporting modules in the src directory should work without problem. If
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you have a VIA chipset, we would like to hear whether you can access the
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SMBus with it - this is not very well tested either. The new Winbond driver
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should basically work, though not all functionality may be present yet.
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If you have a LM80, you are out of luck at this moment.
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We expect many updates and new releases the next few weeks (with both bug
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fixes and new features), so check http://www.netroedge.com/~lm78 (our
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homepage) often.
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We could use some testers of hardware. If you own a specific monitoring
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chip or I2C bus, and are willing to help us out, please contact us - even
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if you did so before. Even if you have no programming knowledge, you could
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help us by running new modules and reporting on the results and output.
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If you want to offer more substantial help, this is very welcome too, of
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course. We have access to LM78(-J), LM79, LM75, Winbond W83781D and
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GL518SM chips, and PIIX4 and VIA chipsets.
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SMBus, also known as System Management Bus, is a protocol for communicating
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through a I2C ('I squared C') bus. Many modern mainboards have a System
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Management Bus. There are a lot of devices which can be connected to a
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SMBus; the most notable are modern memory chips with EEPROM memories and
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chips for hardware monitoring.
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Most modern mainboards incorporate some form of hardware monitoring chips.
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These chips read things like chip temperatures, fan rotation speeds and
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voltage levels. There are quite a few different chips which can be used
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by mainboard builders for approximately the same results.
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Hardware monitoring chips are often connected to the SMBus, but often they
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can also be connected to the ISA bus. The modules in this package usually
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support both ways of accessing them.
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Because the SMBus is just a special case of the generalized I2C bus, we
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can simulate the SMBus protocol on plain I2C busses. These busses are
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sometimes used in other parts of your computer. If a supported chip is
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attached to one of these additional busses, they can be used too.
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Please read INSTALL before trying to compile and install these modules.
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There is a lot of additional documentation in the doc/ subdirectory.
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Amnong these is a list of supported busses and chips. Regrettably, there
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are too many mainboards to keep a list of busses and chips used on them.
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We will provide a user-space utility which probes for the presence of
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chips and busses in one of the next releases.
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The developers of this package can be reached through the email address
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<lm78@stimpy.netroedge.com>. Do not hesitate to mail us if you have questions,
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suggestions, problems, want to contribute, or just want to report it works
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for you. But please try to read the documentation first before you ask
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any questions!
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The latest version of this package can always be found on our homepage:
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http://www.netroedge.com/~lm78. Pre-release versions can be retrieved
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through anonymous CVS; see doc/cvs for more information.
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This whole package is copyright (c) 1998 by Frodo Looijaard and Philip
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Edelbrock, except for (almost) everything in the i2c directory, which
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is copyright (c) 1995-1998 by Simon Vogl. See the individual files for
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more exact copyright information. This package may be distributed
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according to the GNU General Public License (GPL), as included in the
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file COPYING.
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