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Thread: Performance Mode in CPU-Z

  1. #1
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    Question Performance Mode in CPU-Z

    Hey all,

    So i've installed some new Corsair ram, 2x pairs of Twin-X 1024 XMS3200XL ram (eg 4x sticks of 512Mb) It's very much the same as what i had befor, except there's more of it now. However for some reason now when i check in cpu-z it now says that "Performance Mode" (in the memory tab) is now "disabled" Why is it now disabled ? It wasn't disabled with the previous ram, which was virtually identical to this new ram except for the megabyte size, and it is not disabled it in the bios, it just says performance mode "slow" in the bios, like it did when the old ram was installed, and cpu-z said performance mode was "enabled" then. What does "performance mode" in cpu-z mean anyway ? and does it make any difference if it is disabled ?

    This is what i have everything is @ at the moment:
    Timings 2,4,4,5
    Mhz: 200/400 (ddr ram)
    Voltage 2.50
    Both dual channels enabled.

    Cheers, Dave.
    Intel Core i7 5930k @ 3.7Ghz Turbo
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    16Gb Corsair DDR4 2667Mhz
    2x SLI MSI GTX 980
    2x 500Gb SSD's (Raid 0)
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    G-Sync AOC G2460PG 1080p
    LG Flatron W2261VP

  2. #2
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    • ukengineer's system
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    from past experience, 2 sticks is better than 4 when it comes to dual channel memory.

  3. #3
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    It could well be that your motherboard is only optimed for dual channel across 2 slots not all four. Although that would be a bit odd considering how your board isnt old as such.
    Last edited by digit; 04-12-2006 at 10:09 AM.

  4. #4
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    • Dave_07's system
      • Motherboard:
      • MSI X99A Gaming 7
      • CPU:
      • Intel Core i7 5930k (6 core) @ 4.3Ghz
      • Memory:
      • 16Gb Corsair DDR4 2800Mhz
      • Storage:
      • 2x 500Gb SSD's (Raid 0)
      • Graphics card(s):
      • 2x SLI MSI GTX 980
      • PSU:
      • EVGA 1000w PSU
      • Case:
      • Corsair C70
      • Operating System:
      • Windows 7 Pro 64Bit
      • Monitor(s):
      • G-Sync AOC G2460PG 1080p and LG Flatron W2261VP
      • Internet:
      • 17.5Mb Broadband.
    Quote Originally Posted by digit View Post
    It could well be that your motherboard is only optimed for dual channel across 2 slots not all four. Although that would be a bit odd considering how your board isnt old as such.
    The mobo is ok for dual channel use across all 4 slots, and all four sticks are at present operating in dual channel mode. It's "performance mode" that is seemingly disabled, according to cpu-z that is anyway. However i used ctiaw which says that apparently performance mode or "PAT-Mode" is it calls it, is "<7> - partially enabled"

    (Sorry about the delayed response, haven't be online for the past week or so.)
    Intel Core i7 5930k @ 3.7Ghz Turbo
    MSI X99A Gaming 7
    16Gb Corsair DDR4 2667Mhz
    2x SLI MSI GTX 980
    2x 500Gb SSD's (Raid 0)
    EVGA 1000w PSU
    Windows 7 Pro 64Bit
    G-Sync AOC G2460PG 1080p
    LG Flatron W2261VP

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