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12         <title>I&sup2;C, SMBus and hardware monitoring references</title>
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16
17 <h1>I&sup2;C, SMBus and hardware monitoring references</h1>
18
19 <p>This document contains all kinds of useful references to I&sup2;C and SMBus
20 documents and implementations, and to hardware sensors documentation and
21 implementations. Please report any other references you have found!</p>
22
23 <ul>
24 <li><span class="toplvl"><a name="i2c">I&sup2;C</a></span>
25         <ul>
26         <li><a href="http://www.ping.be/~ping0751/i2cfaq/i2cindex.htm">I&sup2;C FAQ</a></li>
27         <li>Another <a href="http://vhimpe.crosswinds.net/electronics/i2cfaq/i2c.html">I&sup2;C
28                 FAQ</a></li>
29         <li>Yet another <a href="http://www.esacademy.com/faq/i2c/">I&sup2;C FAQ</a></li>
30         <li><a href="http://www.semiconductors.philips.com/buses/i2c/">Philips</a>, the I&sup2;C bus
31                 inventors
32                 <br />This site contains many example programs.</li>
33         <li>Simon Vogl's <a href="http://voxel.at/prj/i2c/">I&sup2;C for Linux</a> page</li>
34         </ul>
35 </li>
36 <li><span class="toplvl"><a name="smbus">SMBus</a></span>
37         <ul>
38         <li><a href="http://www.smbus.org/specs/">SMBus specification documents</a>
39                 <br />Includes version 1.1 and version 2.0 documents.</li>
40         </ul>
41 </li>
42 <li><span class="toplvl"><a name="implementations">I&sup2;C and SMBus implementations</a></span>
43         <ul>
44         <li><a href="http://www.ali.com.tw/">ALi</a> (M1533,
45                 <a href="http://www.ali.com.tw/eng/product/corelogic/m1535.htm">M1535</a>,
46                 <a href="http://www.ali.com.tw/eng/product/corelogic/m1535d.htm">M1535D</a>,
47                 <a href="http://www.ali.com.tw/eng/product/corelogic/m1543c.htm">M1543C</a>)
48                 <br />ALi chipsets include SMBus adapters, integrated with many other functions.
49                 <br />Datasheets available on
50                 <a href="http://210.63.71.156/app/csd/webuser.nsf/DTSRF?OpenForm">request</a>.</li>
51         <li><a href="http://developer.intel.com/">Intel</a> (PIIX4,
52                 <a href="http://developer.intel.com/design/chipsets/440mx/">82443MX</a>,
53                 i801, <a href="http://developer.intel.com/design/chipsets/810/">i810</a>,
54                 <a href="http://developer.intel.com/design/chipsets/810/810e.htm">i810E</a>,
55                 <a href="http://developer.intel.com/design/chipsets/815/">i815</a>)
56                 <br />Intel SMBus adapter, integrated with many other functions.
57                 <br />Datasheets available for
58                 <a href="http://developer.intel.com/design/chipsets/datashts/index.htm?iid=PCG+devleftnav">download</a>.</li>
59         <li><a href="http://www.sis.com/">Silicon Integrated Systems</a> (SiS5595,
60                 <a href="http://www.sis.com/products/chipsets/integrated/socket370/630.htm">SiS630</a>,
61                 <a href="http://www.sis.com/products/chipsets/oa/pentium4/645.htm">SiS645</a>,
62                 <a href="http://www.sis.com/products/chipsets/southbridge/96x.htm#961">SiS961</a>)
63                 <br />No datasheet found.</li>
64         <li><a href="http://www.via.com.tw/">VIA</a> (VT85C586B, VT82C596, VT82C596B, VT82C686A,
65                 VT82C686B, VT8231, VT8233, VT8233A)
66                 <br />VIA I&sup2;C adapters, integrated with many other functions (south bridge).
67                 Each south bridge may be used in many chipsets. To know which south bridge is used in
68                 your VIA chipset, use <a href="http://www.viaarena.com/?PageID=14">this table</a>.
69                 <br />Datasheets available on
70                 <a href="http://www.via.com.tw/en/datasheet/datasheets.jsp">request</a>.</li>
71         </ul>
72 </li>
73 <li><span class="toplvl"><a name="chips">Hardware monitoring chips</a></span>
74         <ul>
75         <li><a href="http://www.analog.com/">Analog Devices</a>
76                 (<a href="http://products.analog.com/products/info.asp?product=ADM1021">ADM1021</a>,
77                 <a href="http://products.analog.com/products/info.asp?product=ADM1021A">ADM1021A</a>,
78                 <a href="http://products.analog.com/products/info.asp?product=ADM1022">ADM1022</a>,
79                 <a href="http://products.analog.com/products/info.asp?product=ADM1023">ADM1023</a>,
80                 <a href="http://products.analog.com/products/info.asp?product=ADM1024">ADM1024</a>,
81                 <a href="http://products.analog.com/products/info.asp?product=ADM1025">ADM1025</a>,
82                 <a href="http://products.analog.com/products/info.asp?product=ADM1025A">ADM1025A</a>,
83                 <a href="http://products.analog.com/products/info.asp?product=ADM9240">ADM9240</a>)
84                 <br />Datasheets available for download.</li>
85         <li><a href="http://www.genesyslogic.com/">Genesys Logic</a> (GL518, GL520, GL523)
86                 <br />No datasheet available.</li>
87         <li><a href="http://www.hp.com/">Hewlett Packard</a> (Maxilife)
88                 <br />Datasheets only under NDA.</li>
89         <li><a href="http://www.linear.com/">Linear Technologies</a>
90                 (<a href="http://www.linear.com/prod/datasheet.html?datasheet=434">LTC1710</a>)
91                 <br />Datasheets available for
92                 <a href="http://www.linear.com/prod/pft.html">download</a> (choose "Special Functions").</li>
93         <li><a href="http://www.maxim-ic.com/">Maxim IC</a> (includes Dallas Semiconductor)
94                 (<a href="http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2952">DS75</a>,
95                 <a href="http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2737">DS1621</a>, DS1625,
96                 <a href="http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2774">DS1775</a>,
97                 <a href="http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2775">DS1780</a>,
98                 <a href="http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1855">MAX1617</a>,
99                 <a href="http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1964">MAX1617A</a>)
100                 <br />Datasheets available for
101                 <a href="http://www.maxim-ic.com/Sensors.cfm">download</a>.</li>
102         <li><a href="http://www.myson.com.tw/">Myson</a> (MTP008)
103                 <br />No datasheet available.</li>
104         <li><a href="http://www.national.com/">National Semiconductor</a>
105                 (<a href="http://www.national.com/pf/LM/LM75.html">LM75</a>,
106                 <a href="http://www.national.com/pf/LM/LM77.html">LM77</a>,
107                 <a href="http://www.national.com/pf/LM/LM78.html">LM78</a>, LM78J,
108                 <a href="http://www.national.com/pf/LM/LM79.html">LM79</a>,
109                 <a href="http://www.national.com/pf/LM/LM80.html">LM80</a>,
110                 <a href="http://www.national.com/pf/LM/LM84.html">LM84</a>,
111                 <a href="http://www.national.com/pf/LM/LM87.html">LM87</a>,
112                 <a href="http://www.national.com/pf/LM/LM92.html">LM92</a>)
113                 <br />Datasheets available for
114                 <a href="http://www.national.com/catalog/AnalogThermalManagement.html">download</a>.</li>
115         <li><a href="http://www.sis.com/">Silicon Integrated Systems</a> (SIS5595, SIS950)
116                 <br />No datasheet available.</li>
117         <li><a href="http://www.ti.com/">Texas Instruments</a>
118                 (<a href="http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=THMC10">THMC10</a>,
119                 <a href="http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=THMC50">THMC50</a>)
120                 <br />Datasheets available for download.</li>
121         <li><a href="http://www.via.com.tw/">VIA</a> (VT82C686A, VT82C686B, VT8231, VT1211)
122                 <br />VIA bridges and chips which include integrated sensors.
123                 <br />Datasheets available on
124                 <a href="http://www.via.com.tw/en/datasheet/datasheets.jsp">request</a>.</li>
125         <li><a href="http://www.winbond.com/">Winbond</a> (W83781D, W83782D, W83783S,
126                 W83791D, W83792D, W83L785TS-S,
127                 W83627HF, W83627THF, W83637HF, W83687THF, W83697HF)
128                 <br />Datasheets available for
129                 <a href="http://www.winbond.com/e-winbondhtm/partner/b_2_d_4.htm">hardware monitoring</a> and
130                 <a href="http://www.winbond.com/e-winbondhtm/partner/b_2_d_2.htm">super-I/O</a>
131                 chips.</li>
132         </ul>
133 </li>
134 <li><span class="toplvl"><a name="protocol">Other protocol information</a></span>
135         <ul>
136         <li><a href="http://developer.intel.com/design/servers/ipmi/">IPMI documentation</a>
137                 <br />IPMI (intelligent platform management interface), a standard for hardware
138                 monitor chip reading.</li>
139         </ul>
140 </li>
141 <li><span class="toplvl"><a name="installguides">Installation guides</a></span>
142         <ul>
143         <li><a href="http://khali.linux-fr.org/devel/i2c/">Jean Delvare's</a>
144                 <br />Focuses on the new i2c interface issues.</li>
145         <li><a href="http://chrisp.orcon.net.nz/linux/sensors.html">Chris Peters'</a>
146                 <br />More simple, probably better for beginners.</li>
147         </ul>
148 </li>
149 <li><span class="toplvl"><a name="sensorsconfdb">Motherboard configuration files</a></span>
150         <p>Poject is rather incomplete, help is wanted to develop it further (or start a new one altogether)!</p>
151         <ul>
152         <li><a href="http://lm-sensors-db.berlios.de/">lm_sensors_db</a>
153                 <br />Hosted by berlios.de.</li>
154         </ul>
155
156         <p>
157         As far we know only one motherboard manufacturer provides sensors.conf files:</p>
158         <ul>
159         <li><a href="http://www.tyan.com/support/html/software_utilities.html#lms">TYAN motherboads sensors.conf
160         files database</a></li>
161         </ul>
162
163         <p>Personal collections:</p>
164         <ul>
165         <li><a href="http://www.lathspell.de/linux/lm_sensors/">Christian Hammers'</a></li>
166         <li><a href="http://khali.linux-fr.org/devel/lm-sensors/">Jean Delvare's</a></li>
167         </ul>
168 </li>
169 <li><span class="toplvl"><a name="applications">Hardware monitoring applications using the lm_sensors package</a></span>
170         <ul>
171         <li><a href="http://www.lm-sensors.org">LM Sensors</a>
172                 <br />First see the
173                 <a href="http://www.lm-sensors.org/browser/lm-sensors/trunk/prog">prog
174                 directory</a> in the lm_sensors package for sample applications. In particular,
175                 see <a href="http://stimpy.netroedge.com/tellerstats/">Tellerstats</a>, a web-based
176                 hardware monitor created by Phil Edelbrock, one of our main project contributors.</li>
177         <li><a href="http://freshmeat.net/">Freshmeat</a>
178                 <br />A <a href="http://freshmeat.net/search/?q=lm_sensors">search for "lm_sensors"</a>
179                 brings up a good starter list.</li>
180         <li><a href="http://sensors-applet.sourceforge.net/">GNOME Sensors Applet</a>
181                 <br />An applet for the GNOME panel to monitor lm_sensors outputs.</li>
182         <li>ASFATM (Afterstep fan and temperature monitor)
183                 <br />A wharf/dock app that is capable of displaying system/CPU temperatures and up to
184                 three fan rotation speeds depending on the hardware being used. The development has
185                 stopped, but you still can download the sources from
186                 <a href="http://public.planetmirror.com/pub/afterstep/apps/asfatm/">Planet Mirror</a>
187                 or <a href="http://www-ftp.lip6.fr/pub/X11/afterstep/apps/asfatm/">LIP6</a>.</li>
188         <li><a href="http://www.ma-scha.de/index.phtml?menu=progs&amp;submenu=asftavm">ASFTAVM</a>
189                 (Afterstep fan, temperature and voltage monitor)
190                 <br />An enhancement of ASFATM.</li>
191         <li><a href="http://www.warmcat.com/milksop/cheapi2c.html">CheapI2C</a>
192                 <br />A real-time linux I2C bus protocol capture tool using the parallel port.</li>
193         <li><a href="http://www.plogic.com/dogsled/">Dogsled</a>
194                 <br />A tool to manage and monitor Linux clusters.</li>
195         <li><a href="http://www.gkrellm.net/">GKrellM</a>
196                 <br />GKrellM is a single process stack of system monitors
197                 which supports applying themes to match its appearance to your
198                 window manager, Gtk, or any other theme. Very popular.</li>
199         <li><a href="http://ksim.sourceforge.net/">KSim</a>
200                 <br />KSim is a GKrellM equivalent for KDE. Supports GKrellM skins.</li>
201         <li><a href="http://gpdialapplet.sourceforge.net/">GPDial Applet</a>
202                 <br />A Gnome applet that displays a specific number from a file on the Gnome panel.
203                 By configuring it for a specific sensor file in /proc, you get a
204                 sensor reading. Requires fam and fam++.</li>
205         <li><a href="http://digilander.libero.it/robang/gsensor/gsensor_en.html">GSensor</a>
206                 <br />GTK+ application.</li>
207         <li><a href="http://lcd4linux.sourceforge.net/">LCD4Linux</a>
208                 <br />Displays kernel information on an external LCD.</li>
209         <li><a href="http://phpsysinfo.sourceforge.net/">phpSysInfo</a>
210                 <br />Generates a web page with system information, optionally including sensors output.
211                 Recommended.</li>
212         <li><a href="http://www.gedanken.demon.co.uk/procmeter3/">ProcMeter 3</a>
213                 <br />A comprehensive system monitoring package. Nice desktop application.
214                 Recommended.</li>
215         <li><a href="http://www.joenst.de/s2w/">Sens2web</a>
216                 <br />A Perl script to generate a web page of sensor readings.</li>
217         <li><a href="http://www.coverfire.com/sensor_sweep_applet/">Sensor Sweep Applet</a>
218                 <br />A configurable Gnome panel applet.</li>
219         <li><a href="http://voyager2.htmlplanet.com/sensors_srvr.html">Sensors Server</a>
220                 <br />Nice client/server application with a html-embedded Java applet.</li>
221         <li><a href="http://denis.corbin.free.fr/software.html">Sentinelle</a>
222                 <br />A daemon which warns you when your sensor readings reach critical values.</li>
223         <li><a href="http://packages.debian.org/stable/x11/wmsensors.html">WMSensors</a>
224                 <br />A Windowmaker dockapp. By Adrian Baugh, maintained by the Debian team.</li>
225         <li><a href="http://www.linuxgod.net/~jd/">WMSens Dockapp</a>
226                 <br />A Windowmaker dockapp that works only with the Winbond 83697HF chipset.
227                 By Jonathan D. Meadows.</li>
228         <li><a href="http://www.fluxcode.net/">WMgtemp</a>
229                 <br />A Windowmaker dockapp that displays the CPU and system temperatures.
230                 By Roger Dunce.</li>
231         <li><a href="http://www.gnodde.org/projects/wmtemp.php">WMtemp</a>
232                 <br />Another Windowmaker dockapp that displays the CPU and system temperatures.
233                 By Peter Gnodde. Inspired from WMgtemp.</li>
234         <li><a href="http://member.melbpc.org.au/~iann/varyfan/">Varyfan</a>
235                 <br />A C program to vary the fan speeds for the CPU and case fans according to
236                 the temperature of the CPU and motherboard. By Ian Nicholls, more or less
237                 abandoned.</li>
238         <li><a href="http://www.linuxhardware.org/xsensors/">xsensors</a>
239                 <br />A X11 version of sensors. Requires GTK+ 2.0. Nice, although many chips are not
240                 supported yet.</li>
241         <li>Floyd Davidson has nice <a href="http://web.newsguy.com/floyd_davidson/sensors/">monitoring
242                 data graphics</a> generated using
243                 <a href="http://web.newsguy.com/floyd_davidson/code/sensors/">modified tellerstats
244                 scripts</a></li>
245         <li><a href="http://freshmeat.net/projects/e-sensors/">E-Sensors</a>
246                 <br />An Enlightenment frontend (<i>epplet</i>) to lm_sensors, by &Oslash;ystein Haare.</li>
247         </ul>
248 </li>
249 <li><span class="toplvl"><a name="other">Other hardware monitoring implementations (not using LM Sensors)</a></span>
250         <ul>
251         <li><a href="http://mbm.livewiredev.com/">Motherboard Monitor</a>
252                 <br />A very comprehensive package for Windows, unfortunately discontinued.
253                 Supports many many devices. Also has a <a href="http://mbm.livewiredev.com/mobolist.html">great
254                 database of motherboards</a>. We wish to thank the author, Alex van Kaam, for the
255                 great cooperation we had.</li>
256         <li><a href="http://www.lysator.liu.se/~alla/files/lm78_stuff/">Alexander Larsson's
257                 LM78 module</a>
258                 <br />The original module LM Sensors is based upon.</li>
259         <li><a href="http://www.beowulf.org/software/">Beowulf project LM78 module</a>
260                 <br />By Erik Hendriks. Old, probably unmaintained.</li>
261         <li><a href="http://smartmontools.sourceforge.net/">smartmontools</a>
262                 <br />The smartmontools package contains two utility programs
263                 (smartctl and smartd) to control and monitor storage systems
264                 using the Self-Monitoring, Analysis and Reporting Technology
265                 System (SMART) built into most modern ATA and SCSI hard
266                 disks. </li>
267         <li><a href="http://www.guzu.net/linux/hddtemp.php">hddtemp</a>
268                 <br />Get the hard drive temperatures
269                 using the Self-Monitoring, Analysis and Reporting Technology
270                 System (SMART) built into most modern ATA and SCSI hard
271                 disks. Much simpler than smartmontools.</li>
272         <li><a href="http://www.ganzfix.de/">TXWD</a>
273                 <br />Another LM78/LM75 module, by Chris Benndorf.</li>
274         <li><a href="ftp://ftp.hypercore.co.jp/linux-sbs/kernel-patches/">Beta SMBus access
275                 through the BIOS interface</a>
276                 <br />Old, obviously abandoned.</li>
277         </ul>
278 </li>
279 <li><span class="toplvl"><a name="tools">Other useful tools</a></span>
280         <ul>
281         <li><a href="http://users.ev1.net/~redelm/">CPUBurn</a>
282                 <br />CPU-heating program to stress-test marginally-cooled systems and test
283                 LM Sensors. Highly recommended.</li>
284         <li><a href="http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/">RRDTool (Round Robin
285                 Database)</a>
286                 <br />A database for readings taken over time, such as sensor data.
287                 The LM Sensors package contains scripts to create and update an RRD database
288                 and graphically display the data on webpages.</li>
289         </ul>
290 </li>
291 <li><span class="toplvl"><a name="papers">White papers, documents, articles and other things</a></span>
292         <ul>
293         <li><a href="http://www.sbs-forum.org/marcom/winter01/Designing%20with%20SMBus%202.pdf">
294                 Designing with SMBus 2.0</a><br />
295                 A great introduction to SMBus 2.0 and the differences with version 1.x.</li>
296         <li><a href="http://www.dmtf.org/standards/standard_alert.php">Alert standard format
297                 (ASF) specification</a>
298                 <br />A standard for system management messages using the SMBus
299                 and passing this information to remote management devices. By the DMTF.</li>
300         <li><a href="http://www.tip.net.au/~millerp/rmch/recu-make-cons-harm.html">Recursive
301                 make considered harmful</a>
302                 <br />A paper on which the version 2 Makefile is based.</li>
303         <li><a href="http://www.thermometrics.com/assets/images/ntcnotes.pdf">NTC thermistors</a>
304                 <br />A comprehensive description of the physics and mathematics of NTC thermistors.</li>
305         <li><a href="http://www.jedec.org/DOWNLOAD/jedec/JEP106I.pdf">Standard manufacturer's
306                 identification code</a>
307                 <br />The official list of Manufacturer IDs for EEPROMs.</li>
308         <li><a href="http://www.temperatures.com/">About temperature sensors</a>
309                 <br />A web guide to devices that measure temperature. General information.</li>
310         <li><a href="http://www.analog.com/library/analogDialogue/archives/33-04/temperatures/index.html">Measuring
311                 temperatures on computer chips with speed and accuracy</a>
312                 <br />The advantages of thermal diodes over traditional thermistors.</li>
313         <li><a href="http://www-900.ibm.com/developerWorks/cn/linux/hardware/stability/index_eng.shtml">Linux
314                 hardware stability guide</a>
315                 <br />A nice article about using LM Sensors for diagnosing hardware problems.</li>
316         <li><a href="http://leenooks.com/163">Linux
317                 hardware monitoring INcompatibility guide</a>
318                 <br />A list of chips that don't work well under Linux.</li>
319         <li><a href="http://www.analog.com/library/analogDialogue/archives/38-02/fan_speed.html">Why
320                 and how to control fan speed for cooling electronic equipment</a>
321                 <br />A comprehensive article by Mary Burke comparing fan speed
322                 control methods</li>
323         </ul>
324 </li>
325 </ul>
326
327 </body>
328
329 </html>
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