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C'n'Q question

post #1 of 8
Thread Starter 
I was under the impression that overclocking a CPU automatically disabled C'n'Q, but i noticed that my OC'd CPU (3.6 Ghz) will throttle down to 800 Mhz and 29W, and then back up to 3.6 and 86W when running Prime95. Not complaining, but is this normal, or did I mess something up on my mobo?
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post #2 of 8
You have to disable C'n'Q/PowerNow! yourself. Only some boards disable that automatically when they detect HT Clock or Multi changes.

*PowerNow! is the old name for C'n'Q used on some older motherboards.
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post #3 of 8
Thread Starter 
Oh sweet, so if i leave it on auto I can OC it well beyond stock, and still have it throttle when not in use ?

Edit: Must be a feature of gigabyte then, and nothing I broke.
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post #4 of 8
It just depends on if the Board makers want to do that or not.

Yeah; just leave it on if you want the extra power saving.
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post #5 of 8
My CPU throttles in Intel Burn test but not in Prime95 with everything extra disabled and I don't understand why. It acts like it has C'n'Q enabled by dropping multi down to x4. But other than that it doesn't throttle doing any other activities.
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post #6 of 8
Quote:
Originally Posted by Paper View Post
My CPU throttles in Intel Burn test but not in Prime95 with everything extra disabled and I don't understand why. It acts like it has C'n'Q enabled by dropping multi down to x4. But other than that it doesn't throttle doing any other activities.
It throttles because it is over-heating.
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CPUMotherboardGraphicsRAM
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Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
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FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
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post #7 of 8
Quote:
Originally Posted by Tator Tot View Post
It throttles because it is over-heating.
Hmm well Idle temps are at 26C and I can't check load temps when out of Bios because of ACC.
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post #8 of 8
Quote:
Originally Posted by Paper View Post
Hmm well Idle temps are at 26C and I can't check load temps when out of Bios because of ACC.
Use HW Monitor go by your CPU Socket temps; and add 5*C to them.

Also, idle temps mean nothing. You'll usually idle on any CPU around 2-5*C more than what your room temp is.
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Hard DriveOptical DriveCoolingOS
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Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
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FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
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Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
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Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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Test Bed
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TTTbox
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CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
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