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Thread: C1E/ C2/C2E/ c4/ C4E




  1. #1
    Join Date
    Jul 2008
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    75

    Default C1E/ C2/C2E/ c4/ C4E

    Do I need to have all these enabled using the Ep45-UD3P and a Q9550? Does enabling this lower the mobo ability to overclock or should I disable all these? Some of them are enabled by default. Should I disable them?
    CPU Type QuadCore Intel Core i7-4790K, 4200 MHz (42 x 100)
    Motherboard Name Gigabyte GA-Z97M-D3H
    (2 PCI, 2 PCI-E x16, 4 DDR3 DIMM, Audio, Video, Gigabit LAN)
    Motherboard Chipset Intel Wildcat Point Z97,
    Intel Haswell System Memory 16269 MB
    (DDR3-1333 DDR3 SDRAM)
    DIMM1: Corsair Vengeance Pro CMY16GX3M2A2400C11 8 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (6-6-6-17 @ 457 MHz) (5-5-5-14 @ 380 MHz)
    DIMM3: Corsair Vengeance Pro CMY16GX3M2A2400C11 8 GB DDR3-1333 DDR3 SDRAM (9-9-9-24

  2. #2
    Join Date
    Apr 2008
    Posts
    942

    Default Re: C1E/ C2/C2E/ c4/ C4E

    Quote Originally Posted by pectin232 View Post
    Do I need to have all these enabled using the Ep45-UD3P and a Q9550? Does enabling this lower the mobo ability to overclock or should I disable all these? Some of them are enabled by default. Should I disable them?
    Keeping them enabled does appear to affect overclocking stability.

    You'll no doubt find plain old CI (no E suffix) will be working anyway so your windows idle temperatures will be kept down.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  3. #3
    Join Date
    Jul 2008
    Posts
    75

    Default Re: C1E/ C2/C2E/ c4/ C4E

    I also think it is pretty nice to have everything enabled... thus lowering down energy costs... but the price is not significant.. so C1 [plain jane] is good enough then instead of the others C2-C4's...?
    CPU Type QuadCore Intel Core i7-4790K, 4200 MHz (42 x 100)
    Motherboard Name Gigabyte GA-Z97M-D3H
    (2 PCI, 2 PCI-E x16, 4 DDR3 DIMM, Audio, Video, Gigabit LAN)
    Motherboard Chipset Intel Wildcat Point Z97,
    Intel Haswell System Memory 16269 MB
    (DDR3-1333 DDR3 SDRAM)
    DIMM1: Corsair Vengeance Pro CMY16GX3M2A2400C11 8 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (6-6-6-17 @ 457 MHz) (5-5-5-14 @ 380 MHz)
    DIMM3: Corsair Vengeance Pro CMY16GX3M2A2400C11 8 GB DDR3-1333 DDR3 SDRAM (9-9-9-24

  4. #4

    Default Re: C1E/ C2/C2E/ c4/ C4E

    You can use it. Just if your OC'ing you should turn it off and test your OC to be stable. Then you should run the low setting, 6xFSB at the same lower volts that it ends up using and test that for stability also. Then you can turn that stuff on and see how it goes, most times it will be stable, sometimes the switching could be not that in sync and could cause issues. Not much you can do then other than lower your OC or you can use RMclock as that lets you adjust the voltages at each multi

  5. #5
    Join Date
    Apr 2008
    Posts
    942

    Default Re: C1E/ C2/C2E/ c4/ C4E

    Quote Originally Posted by pectin232 View Post
    I also think it is pretty nice to have everything enabled... thus lowering down energy costs... but the price is not significant.. so C1 [plain jane] is good enough then instead of the others C2-C4's...?
    Yep C1 has the biggest impact and appears to always be enabled and driven by the OS. The Enhanced/Extended states just take that tier a step deeper. You'll notice the CPU temperature drop as you go from the Bios/Dos prompt/Linux Bootable etc to Windows idle of around 10C on a rough average.

    As per my other post, you can see C1 (plain - no E suffix) working, by using Windows Performance Monitor.
    http://forums.tweaktown.com/f69/ga-e...tml#post275528
    Last edited by VorLonUK; 12-21-2008 at 05:46 AM.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

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