If you are running the device headless (no display attached) you can disable a few things that are display related in the device tree (HDMI, GPU). That will eliminate about 500mW of power consumption / heat. You should also disable lightdm (lxqtpanel process is constantly using 10% of the CPU).
Finally, if you're fanless get a different heat sink! The included one is only meant for fans. This is the one I'm using: https://ebay.us/RUFBGy With a better heat sink and disabling GPU my idle temperatures are 55C rather than 80C even with the cpu governor set to "ondemand". omapconf printout (with MPU at 1GHz minimum) https://drive.google.com/drive/folders/1KZsn9ltf-R-VHqQGgLYPkqb5b8XhGxpV?usp=sharing On Wednesday, September 25, 2019 at 6:51:41 PM UTC-5, Paul Richards wrote: > > I got 2 BeagleBone AI's from Mouser and started working with them today. > > Both of my boards boot and run with the 08-03 build. > > I haven't done anything to modify the contents of the filesystem, I merely > booted and connected via Cloud9. > > On both boards, the main CPU heat sink and the Kingston RAM module > immediately > heat up and run incredibly hot. I measured >80C on the CPU and >90C on > the RAM module with my IR thermometer. > > System load looked fine, nothing was running away and stealing all the CPU. > > We intend to use these in lieu of BeagleBone Black modules for a project > in the Keck telescopes and if they normally run this hot, it will never > work. > > S/N range is 4000167 1301 003491 1933 > > > Is my experience atypical? What temperature should these boards nominally > run at? > > > > Paul > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a2f2a5e1-68ca-4978-91ef-77bc4be828b8%40googlegroups.com.
