Overclocking Assistance Needed

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viralvengeance

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Jul 13, 2013
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I wish to overclock my hardware keeping it stable and making sure nothing fries out in the next 5 years.

I have:

CPU: Intel Core i7-3820 3.6GHz Quad-Core
CPU Cooler: Corsair H100i 77.0 CFM Liquid
Motherboard: EVGA 132-SE-E775-K2 ATX LGA2011
Memory: Crucial Ballistix Sport XT 16GB (2 x 8GB) DDR3-1866
Video Card: EVGA GeForce GTX 770 4GB
Power Supply: Corsair 860W ATX12V / EPS12V

I know nothing about how to properly overclock so any guidance here is much appreciated.
 
Solution
mr1hm


since your processor is locked which mean there is no "k" at the end of the model name, you would have to use BCLK (base clock) to overclock. Using BCLK to do this can cause some problems as your BCLK is tied to multiple...
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mr1hm

mr1hm

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Jan 1, 2012
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since your processor is locked which mean there is no "k" at the end of the model name, you would have to use BCLK (base clock) to overclock. Using BCLK to do this can cause some problems as your BCLK is tied to multiple components on the motherboard. so if you raised your BCLK to overclock the CPU, it would also overclock things like RAM and PCI-E lanes.

if it were up to me, id test a very small overclock first and make sure everything looks ok but, i'd probably refrain from going anything higher.
 
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Solution
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viralvengeance

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Jul 13, 2013
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Could I set the BCLK higher and underclock the other hardware so that they are overclocked as a result but not way too overclocked from the BCLK multiplier?

 
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mr1hm

mr1hm

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it seems that your CPU is actually partially unlocked. the CPU multiplier can be raised up to a max of x43, giving you 4.3GHZ with a stock base clock but, if you want to go any higher, you will end up having raise the base clock. It seems like your BCLK is tied to your PCIe clock and can't be controlled separately, however, there is a separate DRAM multiplier which gives you the option of either lowering or raising the speed of your ram.

for example, if you raised BCLK to 125MHz and you have RAM thats rated @ 1866MHz using a x18.66 multiplier, your would now effectively run @ 2332MHz. since you need to test your CPU's overclocking capabilities, you do not want to be overclocking your ram at the same time. so, your system memory multiplier should be set to a lower value such as x16.00 which would give you 2000MHz.

2000MHz is still higher than rated, however, at this point, its up to you whether you want to leave your ram at this speed (i thought i saw a review on these sticks and remember that they overclocked up to 2133MHz ok but, of course changes in timings and a rise in DRAM voltage were necessary). If you really want to test the CPU alone and see how far it will go, drop the memory multiplier to like x13.33, which would give you 1666.25MHz on your ram; yes its under the rated speed but, this will allow you to confidently rule out the RAM as a problem if any problems occur while overclocking.

wasn't able to read the whole thing but, heres a link to a guide posted on reddit. http://www.reddit.com/r/buildapc/comments/18fjx4/guide_so_youre_trying_to_overclock_the_i73820_i/

hope i helped a bit :)
 
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viralvengeance

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Jul 13, 2013
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I tried following the guide as best as I could but the PC couldnt start so I tried using EVGA E-Leet Tuning (Overclock Software) and changed my BLCK to 125, Turbo Mode to x37 and CPU VCore from different settings of 1.2V - 1.26V

End result was always a crash. Any suggestions?

 
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mr1hm

mr1hm

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may just be your chip not wanting to go that high, were you testing fine @ 4.5? or 4.4 even?

 
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