https://community.intel.com/t5/Mobile-and-Desktop-Processors/DVFS-for-atom-D2000-processor/m-p/464932#M22008 <P>This is my first exposure to DVFS and I would like to be clarified on a few points</P><P>The data sheet for the processor says that it supports lots of P-states. </P><P>It also says that</P><P><B>Frequency selection is software controlled by writing to processor MSRs. The voltage is optimized based on the selected frequency:</B></P><P><B>The VID specifications for the processor VCC_CPU and VCC_GFX are defined by the IMPL 7 Voltage Reulator Controller Design Guidelines.</B></P><P><B>&nbsp;</B></P>My questions are<P>Is it possible to independently set the voltage/frequency and if so how and to which register do we write to?</P><P>What are values for various frequencies?</P><P>How do we use the Voltage Controller to change processor core voltage ?</P><P></P><P>Regards</P><P>Srinath </P> Wed, 20 Nov 2013 20:43:44 GMT SArun 2013-11-20T20:43:44Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/DVFS-for-atom-D2000-processor/m-p/464932#M22008 <P>This is my first exposure to DVFS and I would like to be clarified on a few points</P><P>The data sheet for the processor says that it supports lots of P-states. </P><P>It also says that</P><P><B>Frequency selection is software controlled by writing to processor MSRs. The voltage is optimized based on the selected frequency:</B></P><P><B>The VID specifications for the processor VCC_CPU and VCC_GFX are defined by the IMPL 7 Voltage Reulator Controller Design Guidelines.</B></P><P><B>&nbsp;</B></P>My questions are<P>Is it possible to independently set the voltage/frequency and if so how and to which register do we write to?</P><P>What are values for various frequencies?</P><P>How do we use the Voltage Controller to change processor core voltage ?</P><P></P><P>Regards</P><P>Srinath </P> Wed, 20 Nov 2013 20:43:44 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/DVFS-for-atom-D2000-processor/m-p/464932#M22008 SArun 2013-11-20T20:43:44Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/DVFS-for-atom-D2000-processor/m-p/464933#M22009 <P>Hi Srinath,</P><P>Based on your description, It seems that you would like to change the processor voltage and frequency but I am afraid to say that the information is not available from our side since over clocking is not supported by Intel®. </P> Thu, 21 Nov 2013 15:16:10 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/DVFS-for-atom-D2000-processor/m-p/464933#M22009 Kevin_M_Intel 2013-11-21T15:16:10Z