That would be false, but ive heard teh same stories. I run my own BBB from USB, and at idle it runs at 300Mhz, then once under a load of 66% or greater it will swing up to 1Ghz. ondemand governor I do believe.
On Fri, Mar 21, 2014 at 10:34 AM, Scott Force <[email protected]>wrote: > How are you powering your BBB? > I've heard that if you power it via USB instead of the 5V DC connector, > that the CPU speed will be reduced due to the lower power. > > > On 21 March 2014 10:38, Dennis Cote <[email protected]> wrote: > >> On Friday, March 21, 2014 8:24:50 AM UTC-6, [email protected] wrote: >>> >>> Okay, I'm officially confused. I've been trying to increase the speed >>> of my BBB from the default 550MHz to 1GHz, and failing; >>> >> >> How are you measuring the CPU frequency? >> >> I have noticed that cpufreq-info gives different answers depending upon >> the arguments. With no arguments mine always returns 300 MHz when running >> with the 300 1000 ondemand governor. If I use the "cpufreq-info -f" command >> I get the same results, always 300 MHz, both at idle and under load. If I >> use the "sudo cpufreq-info -w" command, I get 300 MHz at idle and 1000 MHz >> under load. The -w option reads the frequency from the hardware and >> requires root privledges. >> >> HTH >> Dennis Cote >> >> -- >> 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]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > 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]. > For more options, visit https://groups.google.com/d/optout. > -- 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]. For more options, visit https://groups.google.com/d/optout.
