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Diff: MotherboardMonitoring
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Differences between version 9 and predecessor to the previous major change of MotherboardMonitoring.

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Newer page: version 9 Last edited on Thursday, July 24, 2003 6:08:30 pm by JohnMcPherson Revert
Older page: version 5 Last edited on Tuesday, October 22, 2002 12:47:37 am by JamieCurtis Revert
@@ -18,9 +18,9 @@
 ** Config->Character Devices->I2C support 
 ** Enable everything as modules 
 ** build and install the kernel 
 # Install the debian packages for lm-sensors 
-** apt-get install lm-sensors lm-sensors-kernel  
+** apt-get install lm-sensors lm-sensors-source  
 # Build the kernel modules for the sensors and i2c busses 
 ** ''This is the tricky one. The debian system works well __if__ you install your kernel through the kernel-package system. - I don't. Maybe I should, I can't be bothered. However this step is made hard because of it.'' 
 ** Debian places a file called lm-sensors.tar.gz in /usr/src 
 ** Read /usr/share/doc/lm-sensors-kernel if you use kernel-package 
@@ -45,4 +45,35 @@
 # __AFTER YOU EDIT /etc/sensors.conf AND EVERY TIME YOU BOOT, RUN sensors -s__ 
 ** This sets up the set fields, without it, you max, min and alarm values will not be set in the driver. 
 *** You must do this as root, it has to write to the kernel space driver. 
 # Set up [Cacti] to make pretty graphs of your CPU, motherboard temps, your voltages and fan speeds ! 
+  
+  
+# Motherboard Notes  
+  
+Gigabyte AMD boards (via southbridge based boards)  
+  
+with some gigabyte boards (and possibly others), the module load order is important  
+7ZM (Socket A) requires that you load the modules in the order  
+i2c-isa  
+i2c-viapro  
+via686a <-- the chip driver to via southbridge boards  
+  
+you may also want to load i2c-proc and i2c-dev if you havnt built them into the kernel  
+  
+----  
+!Additional Experiences  
+  
+Following the excellent instructions above, I was able to fairly easily set up lm-sensors on my GA-7VTXE+ motherboard (which is very similar to the GA-7VTXH+ in the above section). Summary:  
+# build the sensors kernel module (I already had i2c support in my kernel for [TVTunerCards] support)  
+# # modprobe i2c-proc i2c-isa it87  
+# set up /etc/sensors.conf (see below)  
+# # sensors -s (as root, to initialise everything)  
+# $ sensors (to get a listing printed out)  
+  
+I knew to use the it87 module and config from the above notes, but if I didn't, I would have looked at my motherboard's manual, for example, [here|/archive/images/ga7vt.jpg].  
+  
+The reading for the MB temp was consistent with the bios, but the reading for the CPU temp was way out. After a quick read of the documentation, it is because the default assumption is that the 2nd temperature sensor is a diode. Changing this setting to be a resistor made more realistic values appear. I had to add a line like  
+ options it87 temp_type=0x38  
+to /etc/modules.conf so that the module uses different calculations. If you really want to know how I derived that option, read /usr/share/doc/lm-sensors/doc/chips/it87.gz (in debian, at least).  
+  
+Here's a link to my /etc/[sensors.conf] file.