On Mon, 12 Jul 2021 03:48:07 -0700 "Thomas D. Dean" <tomdean at wavecable.com> wrote: > #sysctl dev.cpu.0.freq=3700 > dev.cpu.0.freq: 2200 -> 3700 > > === wait 30 sec > > # sysctl dev.cpu.0.freq > dev.cpu.0.freq: 2200 You probably need to disable and stop powerd. -- Steve O'Hara-Smith <steve at sohara.org>