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novice overclocker, looking for guidance

post #1 of 19
Thread Starter 
hello,

I have been trying to get my feet wet, overclocking my 3570k, for about the past 6 months. I've had little to no troubles but I think I'm ready to take the next step.. voltage tweaking!

I've ready many guides and forums regarding the subject. Some about Intels, some about Ivy Bridges, some even about my specific CPU. I've gained a rudimentary knowledge, but would just like someone to sort of "double-check" what I've been up to. There are a few things that have yet to fully sink in, or make sense, so I also have some questions.

Firstly, I see what appears to be the CPU voltage readout in several places in several programs, but I still can't tell which one I am supposed to be looking at for "vcore". I use CPU-Z, as suggested by just about every overclocker, and do see something labeled "Core Voltage". That's the vcore, correct? I'm confused by the value it gives because it does not match the settings in my BIOS.. why is that?

Secondly, what EXACTLY is the BCLK and how does it play into achieving as higher O.C.? Or, am I best just to not touch that at all?

Below are several screenshots of different settings screens and monitoring program readings. The readings were snapped at the end of a 15 minute Prime95 "Blend Torture Test". I realize that is an insufficient amount of time to fully stress the CPU. I also realize temps look at bit high, according to what I have read (stay below 75C and 1.25vcore for longevity). My primary concern is system stability, but not necessarily keeping the lifespan of the CPU as long as possible.. I would lean more towards performance than longevity, but obviously system stability is the primary goal with OCing

If there are any settings that look incorrect, or not optimal, or the numbers just look wrong; please let me know what I am doing wrong.

Thanks in advance for any responses!
JChap1590















Edited by jchap1590 - 3/18/13 at 7:15am
   
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post #2 of 19
1 Core Voltage is Vcore.
2 BLCK is Base Clock. Leave it alone for now. Just work with your multiplier.
It looks like you're doing ok to me. Only thing i see is your vcore may be a little too high. But what is your vcore?, theres 3 different numbers for it. Im thinking it's probably the number in CPU-Z 1.376, just try lowering that a few increments, (.01)and test for stability, if stable repeat. This will bring your temps down bit by bit as well. Oh ya and don't use the auto tune software. Do it manually. biggrin.gif
Bring your vcore down like that til its not stable anymore (bit by bit) then bump it back up to where it's just stable again.
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CPUMotherboardGraphicsGraphics
3770k Asus Maximus V Extreme msi gtx 580 EVGA GTX 260 Core 216 
RAMHard DriveHard DriveHard Drive
Samsung Miracle Ram DDR3 2x4Gb 1866Mhz Samsung 830 Hitachi 2tb 7200rpm OCZ Vertex 3 120 
Optical DriveCoolingCoolingOS
LG BluRay Burner h100 Coolermaster sickleflow red x4 Windows 7 Ultimate x64  
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Razer BlackWidow Cougar powerx 700 Custom Test Bench (in progress) Gigabyte Gaming Mouse 
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Hard DriveHard DriveOptical DriveCooling
OCZ Vertex 3 Hitachi Deskstar 7200 LG Blu-Ray Burner Corsair H100 
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Windows 7 Ultimate x64 Dynex 24" 1920x1080p TV XFX PRO 550w Fractal Design Arc Midi 
CPUMotherboardGraphicsRAM
Athlon ii x3 440 msi 785gm-p45 EVGA GTX 260 G-skill ripjaws 2x4gb ddr1600 
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post #3 of 19
Thread Starter 
Yeah, I don't use the AutoTuning thing.. I've been told it's only going to cause me trouble. I was thinking the same thing, in regards to the BCLK.

I don't understand the discrepancies in core voltage either. I mean, I can lower it in TurboV EVO and it goes down in CPU-Z, but the numbers don't line up.

Hmm.. maybe check my BIOS for a voltage offset?

Thanks for the speedy response and helpful suggestions! smile.gif
   
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post #4 of 19
the reason in your bios it says 1.414v after vdrop occurs from the LLC setting (load line calibration) the vcore will drop that is perfectly normal don't worry about that. So what that means is your are using a 50% llc or lower which is good to drop under load. Its puts less stress on cpu and VRM's. Like others have said try working down the vcore because MOST not ALL can get to 4.6ghz and a lower vcore than that. good luck and your temps are crazy bad yet but I am sure at that vcore your will get into the 90's. Also you prolly don't have very good case flow with only 2 fans, add some aditions fans to your case to keep your temps in line more.
post #5 of 19
Thread Starter 
Okay, I'll play with the voltage some more.. so you're saying the ultimate goal is achieving the highest OC on the lowest possible voltage, all the while trying to keep temps reasonable?? Makes sense

Oh, and as for the fans.. I have (2) 120s in the front and (2) in the side but they're run off the built-in fan controller on my CM Storm Trooper, that's why they don't show up as being monitored by AI Suite wink.gif they're fullspeed fixed RPM so I don't much care what's controlling them.

I do want to, eventually, run my H100 in a push-pull config, which I'm sure would help my CPU smile.gif

Thanks for the responses, fellas!
Edited by jchap1590 - 3/18/13 at 7:17am
   
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post #6 of 19
Thread Starter 
Oh, and you're suggesting going into the 90s (Celsius) isn't a problem?? At what point should I really start to worry about temps? Obviously all my cores wont typically be under full load for extended periods of time, but just for stressing purposes.. when should I become "concerned"? tongue.gif

Thanks again!
Edited by jchap1590 - 3/18/13 at 7:18am
   
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post #7 of 19
Like i said ibdont like iver 1.35v and 85c for 24/7 some will say upto 95c is okbduring stress but i dont like that
post #8 of 19
Thread Starter 
okay, gotcha. last question: which torture test do I want to run in Prime if I'm only looking to test my CPU O.C.? when it refers to "testing memory" does that also include the memory controller in my CPU, or just my DRAM?
   
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post #9 of 19
so what you want to do is use prime95 and choose custom blend

set your memory to 90% of what you have available(look in task manager and than do the math)

and than let it run for 24 hours to ensure stability(temps usually get to the highest point about 30 minutes in)

so just sit and watch it for 30 minutes and voltages are less than 1.35v and temps don't hit 85c leave it and return periodically to check.

another tip would be to turn off your antivirus and windows update while doing this and please make sure you don't have your setting on that put the computer to sleep as this will crash your test.

start testing and good luck.
post #10 of 19
Thread Starter 
Great, got it. Thanks very much for the tips! You've been very helpful
   
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