Raspberry Pi 5 as network storage, music server, and player - PART 6

6. RASPBERRY PI SYSTEM TWEAKS

If you are not using wifi, it's a good idea to disable the wifi/bluetooth chip, to save a little power and heat.

pCP has a menu option to disable wifi, but I prefer to do it manually -

mount /mnt/mmcblk0p1

vi /mnt/mmcblk0p1/config.txt

Use the arrow key to get to the end of the file, then press "i" to insert additional text -

dtoverlay=disable-wifi

dtoverlay=disable-bt

Then press "Esc" to exit insert mode, then to save the revised file -

:wq

Cooling

With the passive heatsink on my Pi I was getting CPU temperatures which slowly rose to just under 55 degrees Celsius.  That's not bad, and coincidentally 55 degrees is the default temperature at which a fan is configured to kick in, if fitted.  It makes me suspect that the rPi maybe throttles back my CPU at this temperature?

I decided I wanted to get temperatures down a bit, so I fitted a 40x40mm PWM fan, then I adjusted the fan control configuration to kick in at 48 degrees, and stop once the temperature got down to 44 degrees.  Thus I am now running my rPi an average 9 degrees lower than if there was no fan.


NEXT - 7. READY TO GO

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