Re: Changing CPU frequency for Xeon processors

2013-05-27 Thread Michio Honda
Thanks Eric, in case of HP Proliant DL120 G7 server, BIOS's configuration needs to be "OS Control Mode". The similar would apply to other systems. Cheers, - Michio On May 18, 2013, at 10:07 PM, Eric van Gyzen wrote: > On 05/18/2013 10:09 AM, Michio Honda wrote: >> Hi, >> >> I'm trying to exper

Re: Changing CPU frequency for Xeon processors

2013-05-18 Thread Eric van Gyzen
On 05/18/2013 10:09 AM, Michio Honda wrote: Hi, I'm trying to experiment with downclocking CPU. My environment is 10.0-CURRENT amd64. However, my CPU (Xeon E31220) seems not to be supported by the cpufreq module, thus dmesg shows: est0: on cpu0 est: CPU supports Enhanced Speedstep, but is not

Changing CPU frequency for Xeon processors

2013-05-18 Thread Michio Honda
Hi, I'm trying to experiment with downclocking CPU. My environment is 10.0-CURRENT amd64. However, my CPU (Xeon E31220) seems not to be supported by the cpufreq module, thus dmesg shows: est0: on cpu0 est: CPU supports Enhanced Speedstep, but is not recognized. As a result, although sysctl -a