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stufz
godly
Joined: Oct 02, 2011
Posts: 1197
Location: sasnakia
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 Posted:
Sun Jun 10, 2012 10:20 pm |
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I ran across this at OCN - i'd say thats 6 ghz on a 3770k !
THe first one is on air and look at the voltage - 1.9 !!
on a 2nd run, this guy got almost 6.7 ghz on that 3770k
http://valid.canardpc.com/show_oc.php?id=2363021
and here's a 5.2 ghz oc
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Unacceptable
godly
Joined: Oct 11, 2011
Posts: 356
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Sun Jun 10, 2012 11:52 pm |
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On the 5.2 pic,he raised the multiplyer to 50 lowered the Bus Speed to 104.78,just like old school OC'in 
The voltage of 1.424 is how much above stock??? The 6.7 guy's was at 1.928  Way up there 
My AMD 965 is 3.4 stock,highest stable for benchmarking was 4.7,but I only upped the Bus & multiplyer,I may try that route they used & see what I get  |
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stufz
godly
Joined: Oct 02, 2011
Posts: 1197
Location: sasnakia
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Mon Jun 11, 2012 11:39 am |
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from the IB OC guide:
On Ivy Bridge overclocking is done through the CPU Multiplier on a “K” series SKU like the 3770K and 3570K and the multiplier is multiplied by the base clock. When you overclock the base clock you are overclocking the DMI and PCI-E busses as well, so you might damage or corrupt the devices hooked up to these busses such as your HDDs/SSDs and GPUs on the PCI-E bus.
CPU Frequency = CPU Multiplier X Base Clock
Memory Frequency = Memory Multiplier x Base Clock
That means if you increase base clock you increase both memory and CPU frequencies, you also increase the iGPU’s frequency as well. However with Ivy Bridge you shouldn’t be increasing the Base Clock for Air/H2O overclocking as BCLK OC takes a toll on everything on the PCI-E bus including your GPUs and your SSD/HDDs, so it is pretty much reserved for benching with colder temperatures. Don’t worry about increasing BCLK for memory speeds as there are enough memory multipliers with Ivy bridge/Z77 so you can always find the speed you want unlike with Sandy Bridge. However you can increase the BCLK slightly for high memory OCes where certain multipliers are better than others.
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Unacceptable
godly
Joined: Oct 11, 2011
Posts: 356
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Mon Jun 11, 2012 2:33 pm |
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No mention of the stock voltage though.
Found it,starts at 1.050. |
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