So I decided to attach some heat sinks to it.
All you need to do this are the following:
- Some heat sinks (copper or aluminum depending on your preference)
- Thermal adhesive, I used Arctic Silver
- Isopropyl alcohol
- Lint-free cloth
- Some clamps
- A clean surface
Unplug your Raspberry Pi and put your it on a clean surface like so:
I got this heatmap from modmypi.com and put heat sinks over the three hot spots.
Start by cleaning the black surfaces of the hot spots with the isopropyl alcohol and a lint free cloth.
Once that is dried, its important you dont touch it or get anything on it.
Next get your heat sinks and thermal adhesive ready. Instructions should come with your thermal adhesive but it is commonly to mix a 1:1 ratio on a clean surface. Wait 1-2 minutes for it to thicken just a little bit then spread a thin layer on the processors and attach the heat sinks. Make sure to hold them down with rubber bands or clamps while they cure.
/opt/vc/bin/vcgencmd measure_temp
cat /sys/class/thermal/thermal_zone0/temp
With this done, I have the following stats in /boot/config.txt and they seem to be stable
force_turbo=1
over_voltage=8
arm_freq=1180
sdram_freq=500
core_freq=500
gpu_freq=350
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