https://community.intel.com/t5/Intel-Business-Client-Software/Weird-TDP-values/m-p/832478#M1318 Hi,<DIV></DIV><DIV>I am writing a package to show all sorts of info and one things that I noticed is that on the i5-2500K and i7-2600K CPU's that the TDP is 255 instead of the 95 Watt I expect (conform datasheet) so what is going on here?</DIV><DIV></DIV><DIV>I userdmsr64() to read bothMSR_PKG_RAPL_POWER_LIMIT andMSR_RAPL_POWER_UNIT which masked with 32767 and 15 return 2040 and 3 resulting in: 2040 / 8 = 255 Watt and not 95 Watt</DIV><DIV></DIV><DIV>Is this because this are unlocked CPU's or am I missing something?</DIV><DIV></DIV><DIV>The result is that calculating P-States goes nuts. Far above the values I expect.</DIV><DIV></DIV><DIV>Please advise. Thank you,</DIV><DIV></DIV><DIV>Samantha</DIV> Thu, 28 Apr 2011 10:54:36 GMT dutchhockeypro 2011-04-28T10:54:36Z https://community.intel.com/t5/Intel-Business-Client-Software/Weird-TDP-values/m-p/832478#M1318 Hi,<DIV></DIV><DIV>I am writing a package to show all sorts of info and one things that I noticed is that on the i5-2500K and i7-2600K CPU's that the TDP is 255 instead of the 95 Watt I expect (conform datasheet) so what is going on here?</DIV><DIV></DIV><DIV>I userdmsr64() to read bothMSR_PKG_RAPL_POWER_LIMIT andMSR_RAPL_POWER_UNIT which masked with 32767 and 15 return 2040 and 3 resulting in: 2040 / 8 = 255 Watt and not 95 Watt</DIV><DIV></DIV><DIV>Is this because this are unlocked CPU's or am I missing something?</DIV><DIV></DIV><DIV>The result is that calculating P-States goes nuts. Far above the values I expect.</DIV><DIV></DIV><DIV>Please advise. Thank you,</DIV><DIV></DIV><DIV>Samantha</DIV> Thu, 28 Apr 2011 10:54:36 GMT https://community.intel.com/t5/Intel-Business-Client-Software/Weird-TDP-values/m-p/832478#M1318 dutchhockeypro 2011-04-28T10:54:36Z