Re: Asus A8N-SLI wrong voltage values from sensors

2005-05-30 Thread Lennart Sorensen
On Sat, May 28, 2005 at 01:25:45PM +0200, Wolfgang Mader wrote:
 Hello list,
 
 I own an A8N-SLI board. If I check its status with sensors I get the 
 following:
 
 it8712-isa-0290
 Adapter: ISA adapter
 VCore 1:   +1.54 V  (min =  +1.42 V, max =  +1.57 V)
 VCore 2:   +0.00 V  (min =  +2.40 V, max =  +2.61 V)   ALARM
 +3.3V: +6.62 V  (min =  +3.14 V, max =  +3.46 V)   ALARM
 +5V:   +4.92 V  (min =  +4.76 V, max =  +5.24 V)
 +12V: +11.46 V  (min = +11.39 V, max = +12.61 V)
 -12V:  -4.90 V  (min = -12.63 V, max = -11.41 V)   ALARM
 -5V:  -13.64 V  (min =  -5.26 V, max =  -4.77 V)   ALARM
 Stdby: +4.78 V  (min =  +4.76 V, max =  +5.24 V)
 VBat:  +3.09 V
 fan1: 3068 RPM  (min =0 RPM, div = 8)
 fan2:  763 RPM  (min =  664 RPM, div = 8)
 fan3: 8881 RPM  (min =  664 RPM, div = 8)
 M/B Temp:+45?C  (low  =   +15?C, high =   +40?C)   sensor = thermistor
 CPU Temp:+40?C  (low  =   +15?C, high =   +45?C)   sensor = thermistor
 Temp3:   +28?C  (low  =   +15?C, high =   +45?C)   sensor = thermistor
 
 Do I have to be worried about this. I mean I do not have an second cpu so the 
 VCore2 message is not useable. Perhaps with the other wrong values it is the 
 same. My system runns stable and in bios every parameter is in range.

VCore1 and VCore2 are values for cpus needing 2 core voltages input.
Some do, some don't.  Depends on the cpu type.  The Pentium MMX for
example had two voltages for the core.  The Pentium Classic did not.

 Do I have to spend time on this and if yes where to start?

Asus tends to NOT use sensor chips quite the same way others do, and do
in fact have custom chips made for them that they use in many cases
which are almost compatible with a standard chip but uses some lines
differently.

It is normal to have to use a different mapping on many Asus boards.
Often a google search will get you the right values for your model since
someone else is likely to have worked it out before.

For example there is this (A8N-E model, but likely the same chip):
http://www2.lm-sensors.nu/~lm78/readticket.cgi?ticket=1947

Basicly says: Read the instructions in sensors.conf and swap the values
as needed and add optional devide by 2 needed on some boards.

Unfortunately Asus seems to have absolutely no interest in Linux
(although they do provide links to some drivers for Linux on their web
site) and hence don't seem to think releasing such trivial things as how
to read the sensor chip is necesary.

On the other hand their boards tend to work very well, including with
Linux.

Len Sorensen


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Asus A8N-SLI wrong voltage values from sensors

2005-05-28 Thread Wolfgang Mader
Hello list,

I own an A8N-SLI board. If I check its status with sensors I get the 
following:

it8712-isa-0290
Adapter: ISA adapter
VCore 1:   +1.54 V  (min =  +1.42 V, max =  +1.57 V)
VCore 2:   +0.00 V  (min =  +2.40 V, max =  +2.61 V)   ALARM
+3.3V: +6.62 V  (min =  +3.14 V, max =  +3.46 V)   ALARM
+5V:   +4.92 V  (min =  +4.76 V, max =  +5.24 V)
+12V: +11.46 V  (min = +11.39 V, max = +12.61 V)
-12V:  -4.90 V  (min = -12.63 V, max = -11.41 V)   ALARM
-5V:  -13.64 V  (min =  -5.26 V, max =  -4.77 V)   ALARM
Stdby: +4.78 V  (min =  +4.76 V, max =  +5.24 V)
VBat:  +3.09 V
fan1: 3068 RPM  (min =0 RPM, div = 8)
fan2:  763 RPM  (min =  664 RPM, div = 8)
fan3: 8881 RPM  (min =  664 RPM, div = 8)
M/B Temp:+45°C  (low  =   +15°C, high =   +40°C)   sensor = thermistor
CPU Temp:+40°C  (low  =   +15°C, high =   +45°C)   sensor = thermistor
Temp3:   +28°C  (low  =   +15°C, high =   +45°C)   sensor = thermistor

Do I have to be worried about this. I mean I do not have an second cpu so the 
VCore2 message is not useable. Perhaps with the other wrong values it is the 
same. My system runns stable and in bios every parameter is in range.

Do I have to spend time on this and if yes where to start?

Thank you.
W. Mader
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Re: Asus A8N-SLI wrong voltage values from sensors

2005-05-28 Thread Thomas Steffen
On 5/28/05, Wolfgang Mader [EMAIL PROTECTED] wrote:
 I own an A8N-SLI board. If I check its status with sensors I get the
 following:

...
 +3.3V: +6.62 V  (min =  +3.14 V, max =  +3.46 V)   ALARM
 -12V:  -4.90 V  (min = -12.63 V, max = -11.41 V)   ALARM
 -5V:  -13.64 V  (min =  -5.26 V, max =  -4.77 V)   ALARM

It looks like the 3.3V value is only half of what is measured, and
-12V and -5V are swapped.

 Do I have to be worried about this. 

No. It is impossible to interpret the sensor readings without
knowledge about how they are wired up. Since motherboard manufacturer
typically do not release that information, lm-sensors relies on best
guesses for known systems. They are often way of for unknown systems.

 My system runns stable and in bios every parameter is in range.

That is the important aspect. The BIOS is modified by the motherboard
manufacturer, so it can interpret the sensors correctly. If your
readings where correct, the system would already be up in smoke :-)

 Do I have to spend time on this and if yes where to start?

You can tweak /etc/sensors.conf until the readings are similar to the
BIOS values. But I would first ask with the lm-sensors project whether
someone has already done that for your motherboard.

Thomas



Re: Asus A8N-SLI wrong voltage values from sensors

2005-05-28 Thread Frederik Schueler
Hello,

On Sat, May 28, 2005 at 01:25:45PM +0200, Wolfgang Mader wrote:
 I own an A8N-SLI board. If I check its status with sensors I get the 
 following:
 
 +3.3V: +6.62 V  (min =  +3.14 V, max =  +3.46 V)   ALARM

looks like a /2 modifier is missing

 -12V:  -4.90 V  (min = -12.63 V, max = -11.41 V)   ALARM
 -5V:  -13.64 V  (min =  -5.26 V, max =  -4.77 V)   ALARM

these seem swapped

 M/B Temp:+45°C  (low  =   +15°C, high =   +40°C)   sensor = thermistor
 CPU Temp:+40°C  (low  =   +15°C, high =   +45°C)   sensor = thermistor

these seem swapped, too
 
 Do I have to spend time on this and if yes where to start?

http://www2.lm-sensors.nu/~lm78/support.html


Kind regards
Frederik Schueler

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