osx151212 Posted May 24, 2019 Share Posted May 24, 2019 (edited) Hello, I have P5KLP-CM mainboard, the BIOS was modified to support Xeon CPUs, Xeon X3363 CPU has been installed, SMBIOS iMac13,2/iMac10,1, Clover bootloader. The system boots into 'High Sierra' (10.13.6) fine and works ok. I found that CPU multiplier runs at maximum x8.5 (2.83 GHz) all the time and CPUs temperature hit high numbers (81C, 77C, 76C, 73C) for just running OSX and no any applications started. If I boot into BIOS settings and run Hardware monitor then it indicates CPU temperature at around 65C. Is there any remedy to this situation? Thank you, osx151212 Edited May 24, 2019 by osx151212 Link to comment https://www.insanelymac.com/forum/topic/338923-q-high-sierra-xeon-x3363-power-management/ Share on other sites More sharing options...
osx151212 Posted May 24, 2019 Author Share Posted May 24, 2019 Hi, the following article has helped to resolve the issue. It is sufficient to patch through Clover bootloader DTGP and FakeLPC. Currently the computer runs with multiplier x6 (2.0GHz) and CPU temperature is 63C,56C,59C,57C Best wishes, osx151212 Link to comment https://www.insanelymac.com/forum/topic/338923-q-high-sierra-xeon-x3363-power-management/#findComment-2675015 Share on other sites More sharing options...
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