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Thread: Phenom II and C'n'Q 3.0 - Reviewers were wrong :p:

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  1. #1
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    Quote Originally Posted by 64NOMIS View Post
    With Phenom II we doubled the number of p-states, with Phenom we only had Div 2 but like Phenom II frequency is modulated for each core individually. In addition 45nm and much better p-state regulation for the memory controller are what have dramatically llowered the idle and load power consumption.

    Increasing the FSB should result in scaling of p-states, in other words, CNQ will work fine. However, if you touch the multiplier with a BE part all bets are off. The exception is if you use AMD OD which should allow you to employ CNQ p-states even for a multiplier modified system.

    I have not tested all the permutations, and BIOS implementation is a major issue in determining outcomes.
    Thanks for inside info Simon!
    Now I've tried multis in AOD but they don't work. As soon as I change Power Profile to one using C'n'Q everything goes to default, including voltages.
    That is on my GA-MA790FX-DQ6 with final F6 BIOS (not yet on GBT page).
    I know some motherboards allow you to set C'n'Q lowest and highest multi from BIOS (if I remember properly it was MSI K9N or DFI for S939).

    Oh, and do you know why Vista and XP are using p-states differently? (as explained in first post)
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  2. #2
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    why dont u use k10stat lightman?
    i changed cnq to 650mhz 0.75v for low and 3700mhz 1.425v for high.
    even cnq down to 100mhz if i want.
    but i asume u clock this way to oc the northbridge?

    i have noticed that they still didnt add a positive voltage adjust for nb in the f6 bios. lame!!
    amd 940 @ 3.5ghz stock voltage or 3.7ghz 1,425v home made cpu block 3616 mhz and 2210mhz nb stable
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  3. #3
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    Quote Originally Posted by BertM View Post
    why dont u use k10stat lightman?
    i changed cnq to 650mhz 0.75v for low and 3700mhz 1.425v for high.
    even cnq down to 100mhz if i want.
    but i asume u clock this way to oc the northbridge?

    i have noticed that they still didnt add a positive voltage adjust for nb in the f6 bios. lame!!
    Yes, for NB

    Also I've got reply form GBT regarding that issue. It's posted in motherboard thread
    RiG1: Ryzen 7 1700 @4.0GHz 1.39V, Asus X370 Prime, G.Skill RipJaws 2x8GB 3200MHz CL14 Samsung B-die, TuL Vega 56 Stock, Samsung SS805 100GB SLC SDD (OS Drive) + 512GB Evo 850 SSD (2nd OS Drive) + 3TB Seagate + 1TB Seagate, BeQuiet PowerZone 1000W

    RiG2: HTPC AMD A10-7850K APU, 2x8GB Kingstone HyperX 2400C12, AsRock FM2A88M Extreme4+, 128GB SSD + 640GB Samsung 7200, LG Blu-ray Recorder, Thermaltake BACH, Hiper 4M880 880W PSU

    SmartPhone Samsung Galaxy S7 EDGE
    XBONE paired with 55'' Samsung LED 3D TV

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