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Problem Overclocking I5-3570K

Last response: in Overclocking
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November 28, 2012 1:41:55 AM

Hey there. I have a i5 3570K and a ASUS P8Z77-V LX motherboard and I am really struggling to get it to overclock.

In the EZ BIOS, the CPU will mildly bump from 3.4 to 3.5GHz under performance mode but I cannot get it to shift from 3.4 in advanced mode.

I have noticed the board says the max multiplier is 34 and the default for this cpu is 34 but I thought the K CPUs are supposed to be unlocked?

I have updated the BIOS but whats confusing is I have read other people successfully overclocking with this board.

Do I need to bump the BLCK frequency up?

Apprciate any help.. just come from a FSB Core 2 Duo setup so its all a little alien to me.

Cheers
November 28, 2012 4:31:27 PM

I'm just like you to see if someone would help ....
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November 28, 2012 4:49:50 PM

I don't have your board, but I can answer 1 of your questions. You don't want to change the BLCK, only the multiplier.
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November 29, 2012 10:03:46 PM

thanks for that post but it doesnt really answer my question. im pretty sure the problem is the multiplier refusing to go about 34. also the chipset is z77.
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November 29, 2012 10:27:14 PM

heres a screenshot of what i mean. its a K processor so i should be able to surpass 34 but it says its the maximum. any ideas anyone? im on the latest bios =/

screenshot:



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November 29, 2012 10:28:34 PM

have you tried in bios

AI Tweaker -> CPU Power Management -> "CPU Ratio

or

AI overclock tuner - manual
Turbo ratio - by all cores
By all cores (can adjust in OS) - 40 (40 is as an example)

bit late here so cant quite remember the exact bios settings without rebooting to have a look

or try AI suite in windows just to see if the multiplier rises

i wouldnt recommend AI suite for overclocking normally as it tends to over volt --but just as a test to see if your multiplier will go up it will be ok
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November 29, 2012 10:31:37 PM

have tried the cpu ratio it doesnt go up. and the turbo ratio by all cores isnt a selection.. i have seen this on other boards but mine doesnt have it.. so frustrating. :( 
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November 29, 2012 10:32:12 PM

have also tried ai suite.. it said i was running at 4.3ghz but cpu-z said otherwise.
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November 29, 2012 10:39:43 PM

i have an asus P8Z68-V PRO/GEN3

and must admit the bios set out isnt great in my opinion

sometimes not easy to work with

have you tried the auto overclock in the bios?

again i wouldnt normally use that but do it manually

but just to see if it will raise your multiplier
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November 29, 2012 10:47:58 PM

xenontek said:
have also tried ai suite.. it said i was running at 4.3ghz but cpu-z said otherwise.


what speed did cpuz say?

and did you actually have the cpu under load?

as if it was idle cpuz would show 1600mhz or similar
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November 29, 2012 10:51:18 PM

ok have sorted it. reset everything and tried again. it doesnt show on the bios as being overclocked etc but now on prime95 the temps are high and its showing at 4ghz in cpu-z. is 84oC a little steep? i am using the stock cooler for the time being =/
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November 29, 2012 10:58:04 PM

84c is too high--probably even for the stock cooler on prime95

check the cpu voltage under load in cpuz just by doing stuff you would normally do

check the temperatures under normal use under load

i wouldnt really run prime95 with a stock cooler

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