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Intel i7 4770k @ 3.9ghz on desktop? why? - Page 2

post #11 of 30
Quote:
Originally Posted by PedroC1999 View Post

Turbo is always off, make the overclock stable first with no power saving, then try to turn some on and see if it keeps stability

^^^^^ this
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post #12 of 30
Thanks, I always get a warm, fuzzy feeling when someone agrees with me smile.gif
     
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post #13 of 30
A 4770K has a default multiplier of 35. Any time you are using a multiplier higher than 35, you are using the Intel Turbo Boost feature of the processor. Some motherboard bios versions might make you think that you can disable Turbo Boost and go higher but all they are doing is they turn Turbo Boost back on in the background as soon as you click on Save.
post #14 of 30
To fix this: Go to your bios, find the options for C1E, C3 and C6 reporting or something similar involving those C numbers. Turn them all on. If it works, you can also turn off C3 and C6 and you'll still throttle. Done.
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| Intel Core i7 | 2600K | 4.2GHz @ 1.33v | | ASUS | Maximus IV Extreme | | ASUS | ENGTX 580 | 933MHz @ 1.138v | 2-way SLI | | G.Skill | RipjawsX | 2133MHz | 8GB | 
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| Intel | 510 SSD | 120GB | | Western Digital | Caviar Black | 1TB | | XSPC | Raystorm | | XSPC | Razor 580 | Dual SLI | 
CoolingCoolingCoolingOS
| XSPC | Dual RX360 | | Dual MCP-655 | Variable-Speed | | Koolance | RP-452x2 | Windows 7 Professional 64-bit 
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| Acer | P243W | 1920 x 1200 | | Enermax | MODU87+ | 900W | | CaseLabs | M8 + Pedestal | 
CPUMotherboardGraphicsRAM
| Intel Core i7 | 2600K | 4.2GHz @ 1.33v | | ASUS | Maximus IV Extreme | | ASUS | ENGTX 580 | 933MHz @ 1.138v | 2-way SLI | | G.Skill | RipjawsX | 2133MHz | 8GB | 
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| Intel | 510 SSD | 120GB | | Western Digital | Caviar Black | 1TB | | XSPC | Raystorm | | XSPC | Razer 580 | 2-way SLI | 
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| XSPC | RX360 | | Phobya | Xtreme 200| | MCP 655 | Variable-Speed | Windows 7 Professional 64-bit 
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post #15 of 30
You should be able to get a better overclock than 3.9 on a 4770k.
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post #16 of 30
Why does everyone disable the power saving features? I have them all enabled at 4.8Ghz
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post #17 of 30
Hmm, I'm having a similar problem. Overclocked the chip manually, found my max OC of 4.7. CPU speed was throttling when idle as it should. This morning I was curious and ran Asus' automatic overclock from the UEFI. That only clocked it to 4.3 so needless to say decided to go back to my original OC. I then found my CPU was stuck on 4.7GHz no matter the load. I did check in the UEFI and turned all the C stated on to enable (they were on Auto). Still stuck at a constant 4.7GHz, not sure what to try next.

post #18 of 30
Always best to reset the CMOS after you use the auto-overclock feature. It often makes weird changes to the BIOS.
post #19 of 30
Quote:
Originally Posted by Forceman View Post

Always best to reset the CMOS after you use the auto-overclock feature. It often makes weird changes to the BIOS.

I've actually found the auto overclock to be very helpful in deciding what voltages to change. Before using it i was stuck at 4.6Ghz. After using it i can boot at 5Ghz just no headroom because of temps.
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post #20 of 30
I did go load up optimized defaults afterwards, but didn't actually clear the CMOS. I'll try that.
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