Jump to content
Sanko_bs

I am concerned about the CPU temperature.

Recommended Posts

Dears:

I am considering purchasing Tinker Board S R2.0 and am concerned about the CPU temperature rise.
When I operated my Tinker Board 2S under the following conditions, the CPU temperature reached about 70°C.
When Tinker Board S R2.0 is operated under the same conditions, how many degrees Celsius will it be?

- Turn on the power of Tinker Board S R2.0 and display the desktop screen for about an hour.
- The OS is Tinker OS (Debian10).
- Room temperature is about 25℃.
- The attached heat sink is used.
- Case not used.

Share this post


Link to post
Share on other sites
9 minutes ago, Tinker_HWEE said:

image.png

image.png


Hi @Sanko_bs

Sorry, I seem to be having problems posting the article, I will republish it in this way.

 

When I operated my Tinker Board 2S under the following conditions, the CPU temperature reached about 70°C.
==> It is not normal for Tinker board 2S to reach 70°C at room temperature. Could you please help to double check your test conditions?


We also double check the SoC temperature of Tinker board 2S at room temperature.
Left it at room temperature for an hour later, using the command to read the temperature of SoC only about 45°C.

The test conditions as below:
- Turn on the power and display the desktop screen by HDMI monitor for an hour later.
- The OS is Tinker OS (Debian10)
- Heat sink is used.
- Case not used.

The test results are as below:

image.png

 

We also tested Tinker board S R2.0 under the same conditions, and the temperature of SoC read with the command for an hour later was about 52°C, and the test results are as below:

image.png

Share this post


Link to post
Share on other sites

Hi @Tinker Engineer

Here are the details of the test conditions.
- Power on and desktop screen on HDMI monitor for 1 hour.
- OS is TinkerOS (Debian 10).
- Heatsink is used.
- No case is used.
- Nothing is placed around TinkerBoard 2S within a radius of 20 cm.
- Room temperature is about 25°C.
- The OS on the Micro-SD card is running.
- Bluetooth of TinkerBoard 2S is turned off after turning on the power. (To lower the temperature).
Under these conditions, the temperature was about 66°C.

We also checked CPU usage and memory usage during the test with the top command.
- CPU utilization: 1% to 3%.
- Memory usage: about 250 MB.

During the test, I am just using LXTerminal on the desktop screen and running the top command.

- What could be the cause of the abnormal heat generation?
- I would like to try a factory reset, so could you please tell me how to do it?
- If the unit still heats up abnormally after the factory reset, I am sorry, but is it possible to replace it? (Purchased in May 2022)

Share this post


Link to post
Share on other sites

Hi @Tinker Engineer

Test conditions are as described above.
- Desktop screen on HDMI monitor for 1 hour
- Tinker OS (Debian 10)
- Heatsink used
- Case not used

No extra processing (e.g., web browser open in background) is performed.
Even so, it still generates heat of 66°C.

What are the possible causes of the abnormal heat generation?

Share this post


Link to post
Share on other sites

hello @Sanko_bs (cc @Tinker_HWEE)

from software perspective, if the device is not under heavy loads(running multiple complicated applications/ tasks/ processes), the cpu temperature shall be normal, we'd suggest to do a re-flashing if you'd like to debug and find the rootcause of cpu overheating.

Share this post


Link to post
Share on other sites

Hi @Tinker Engineer.

I re-wrote Tinker OS (Debian 10 V2.0.4) and measured the temperature.
(I did not change any settings on the TinkerBoard2S after the write).

The result was that the CPU temperature reached 75°C (peak) after 30 minutes.

The following test conditions were not changed.
- Desktop screen displayed on HDMI monitor for 1 hour
- Tinker OS (Debian 10 V2.0.4)
- TinkerBoard2S included heatsink used
- Case not used

I would like to determine the cause of the abnormal heat generation, what else can I investigate?

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×
×
  • Create New...