Re: help with setup / chip support

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Jean,

Thanks for the response.

On Tue, Feb 14, 2012 at 11:29 PM, Jean Delvare <khali@xxxxxxxxxxxx> wrote:
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?

Got it. That's excellent news. At least I know I can trust the output to let me know if it's getting to warm. I did not trust it at all before.

> 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

I built is a dual purpose HTPC and home server. It's in a micro ATX case. 
This is the mother board: ASRock A75M-HVS FM1 AMD A75 (Hudson D3) HDMI SATA 6Gb/s USB 3.0 Micro ATX AMD Motherboard with UEFI BIOS. I'm running Ubuntu 11.10. Any other info that would be helpful?

The current configuration is sitting in a cabinet under the TV. I'm a bit nervous about closing the cabinet door on it and not getting enough air flow, so I wanted to monitor the temp with the door closed but I didn't trust the output. There's a fair amount of space around the machine but still. It's good to know now that I can trust the output to let me know if it's getting too hot in there. Still it would be nice to see some other output. 

I'll send the output of sensors-detect this evening.

Thanks again,
Ken


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