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[ubuntu] Asus Z87 + i7 = no Intel Turbo Boost

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linux-howto

http://ubuntuforums.org – TL;DR Turbo Boost does not work on Ubuntu 13.04 (kernel 3.10.10), some other i5/i7 owner could help me out with some test? Long version A few days ago I assembled a new computer (Asus Z87-Deluxe + i7-4770k). Everything seemed to be working properly except the Broadcom wifi card, but I expected that. Yesterday, however, I realized that the maximum frequency detected by Ubuntu 13.04 is 3501 MHz and not, as it should be, 3901 MHz. I searched on Google and I made all the steps to enable the Turbo Boost: I verified that the Turbo Boost was enabled in the biosI loaded the msr module (s (Hardware)