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  1. #1
    amd FAN Reeper's Avatar
    Join Date: Jan:2004
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    ACC - Advance Clock Calibration - ?

    3 450 4-, deafault 3-... 2600. ACC -12% +12% .. , ... ?
    ::ASUS TUF B450-PLUS Gaming:: Ryzen 5 2600:: GTX980Ti::

  2. #2
    Registered User Evocraft's Avatar
    Join Date: Jul:2006
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    Google - , , , . :

    There is no impact on performance, no change of voltages or frequencies, it just allows for more and higher overclocking. Anandtech reports that the new BIOS of coming motherboards with the SB750 southbridge has a much wider range of settings for the Advanced Clock Calibration (ACC). In the past this function could be set in increments of 1 between -2 up to 0. With the board they've used they could set ACC to anything between -12 to +12. Negative values unlocks lower power operations while higher values unlocks better overclocking.

    Exactly what it does hasn't been revealed, but it somehow seems to loosen the strains a bit and allow the cores to be pushed further in either direction. It should be emphasized that this is a Phenom-exclusive feature. You will not gain anything with your Athlon series processors. We should also mention that AMD will use this feature with its coming 45nm processors, which means that the prior reports of decent overclocking with the Deneb core, may be understated.

    This will NOT help your Phenom II chip (it has ACC integrated).
    This is for the first Phenom chips. Do NOT use ACC or it'll make your OC unstable (ironic but true.)


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  3. #3
    amd FAN Reeper's Avatar
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    ... +12 - +12 +6 95
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  4. #4
    lʎqouɹǝɥɔ ʎq pǝ,ɔo InfraRed's Avatar
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    . +6 - X2 550 C2. 790GX . ACC (.. 0- ) 4GHz.
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