Re: help with setup / chip support

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Hi Kenneth,

On Mon, 13 Feb 2012 16:46:33 -0800, Kenneth Cox wrote:
> I am having trouble getting lm-sensors to work as it should I believe that
> part of the problem is support for a newer chip set. here are the specs:
> 
> CPU: AMD A4-3400 APU with Radeon(tm) HD Graphics
> family(18) model(1) stepping(0)
> 
> MoBo: ASRock A75M-HVS
> 
> I'm using the onboard Radeon graphics.
> 
> I ran the sensors-detect script saying yes to everything. The output of
> sensors:
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1:         +9.8°C  (high = +70.0°C)
>                        (crit = +70.0°C, hyst = +69.0°C)
> 
> That's much colder than room temp and only gives data for the PCI adapter.

This isn't the temperature of "the PCI adapter", the value is from your
CPU. This happens to be implemented as a PCI device in AMD processors,
which is why you see "PCI adapter" in the output, but this is rather
misleading I admit.

The reported temperature indeed looks wrong, however it isn't
necessarily surprising. This isn't an absolute temperature, but rather
a temperature margin from the CPU's max, and it is only accurate when
you get close to the limit. So from the above, one can say that your
CPU is running very cool ans safe, and that's about it.

That being said, I think this is the first report I see for this family
of CPU. Andreas, Andre, do you think there's any bug to be fixed here?

> I also tried downloading the latest version of sensors-detect from
> http://www.lm-sensors.org/wiki/Devices and rerunning. It did not change
> anything.
> 
> Is there a way to get sensor data for the CPU and accurate data from the
> PCI adapter? Any help would be appreciated.

What kind of system is this? If this is a laptop you're probably out of
luck. If this is a desktop system, I would expect a hardware monitoring
chip on the SMBus or in the Super-I/O chip. Maybe it is too recent and
we don't know about it yet. Please provide the full output of
sensors-detect.

-- 
Jean Delvare

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