RPI3B+ cpu frequency

Greg V greg at unrelenting.technology
Wed Jul 4 09:49:32 UTC 2018



On Wed, Jul 4, 2018 at 7:40 AM, Stefan Parvu <sparvu at kronometrix.org> 
wrote:
> Hi,
> 
> I understood the last RPI3B+ ships with a 1.4GHz 64-bit cpu. Right ? 
> Booting FreeBSD 12.0
> current shows that I have access only to 600MHz. A bit confused, 
> since this was happening as
> well on older models, if Im not wrong: do I need to turn on the Turbo 
> mode to get access to
> the full speed of the CPU or what ?
> 
> Why FreeBSD does not boot and by default use the CPU at 1.4GHz ?

Hi! You should run the 'powerd' service to make it boost to max 
frequency under load.

Or you can force_turbo in config.txt to make the Pi always run at full 
speed (and waste power).



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