Hot or not

AmigaOne X1000 platform specific issues.

Hot or not

Postby xenic » Mon Apr 15, 2013 1:10 am

Now that there is an X1000 temperature docky available on OS4Depot I thought it would be interresting to see some typical X1000 temperature readings. Here are my typical X1000 temps:
Local: 100F
CPU: 134F
Core1: 140F
Core1: 123F

What temperature would be considered too hot?
What are your temperatures?
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Re: Hot or not

Postby Hans-Joerg Frieden » Mon Apr 15, 2013 1:18 pm

After shuddering at the Fahrenheit scale and converting it to a good one (Celsius), I can tell you that these temperatures are actually quite cool. IIRC the PA6T can go up to 120 degrees Celsius (248F), so you should be fine.
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Re: Hot or not

Postby trevordick » Mon Apr 15, 2013 1:41 pm

PASemi temperature sensor:

According to Varisys:

From reading the PASemi datasheet and the schematic the temperature sensor should be:

Locale = Ambient/Case temperature, just under CPU
Remote1 = Core0 temperature
Remote2 = Core1 temperature
Remote3 = SOC (CPU) temperature

There does not appear to be a published maximum temperature for the PASemi CPU except that is say that is it 'extended' and would assume not more than 85°C (operating).

Trevor

PS My temperatures are in the high 40,sC and low 50'sC with a case temperature of around 32C.
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Re: Hot or not

Postby ssolie » Mon Apr 15, 2013 6:50 pm

As for the CPU, anything below 100C is fine. Personally, I would worry much more about things like hard drives and graphics chips.
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Re: Hot or not

Postby abalaban » Tue Apr 16, 2013 1:12 pm

@xenic

please note there was an error in the labelling of the sensor, please use the new version of my docky from OS4Depot (or via AmiUpdate).
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Re: Hot or not

Postby Raziel » Tue Apr 16, 2013 3:04 pm

Case: 31°C
CPU: 41°C
Core1: 46°C
Core2: 43°C

Nice utilitiy and a real pretty present, thanks a lot :-)
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Re: Hot or not

Postby xenic » Tue Apr 16, 2013 10:51 pm

abalaban wrote:please note there was an error in the labelling of the sensor, please use the new version of my docky from OS4Depot (or via AmiUpdate).

Thanks for the info. I hadn't noticed the new version. Thanks for the program too! I have my X1000 in the computer compartment of my desk and have been concerned about it getting too hot.

@Hans-Joerg Frieden
After reading temperatures in Fahrenheit for over 60 years, reading Celsius temperatures make me feel cold :-)
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Re: Hot or not

Postby Raziel » Tue May 21, 2013 12:08 am

What makes me wonder is why the CPU temperature is "colder" than any of the Core temps.

i.e.
CPU at 45°C
Core1 at 50°C
Core2 at 47°C
...my understanding would be that the CPU should be in the middle (approx. 47-48°C in the example)

It would be more logical to me, if (again from the example) the CPU would have a temp of 47°C, with the cores respectively at 50°C and 45°C (which would also show the distinction between a working core and a sleeping one)

Can someone give a little explanation?
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Re: Hot or not

Postby tonyw » Tue May 21, 2013 12:45 am

I would imagine that the "CPU" figure is measured towards the outside of the die, while the "Core" temperatures are measured in the middle. Since the heat flows outward to the ambient, the middle would be hotter.
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Re: Hot or not

Postby Raziel » Tue May 21, 2013 1:00 am

@tonyw

I see, and as (like Trevor wrote above) "CPU" is really the SoC temperature (from the datasheets) and as such that specific sensor could sit anywhere on that chip, maybe not even close to the cores.

That enlightens it a little, thank you tonyw

edit: typo
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