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Sandy Bridge OVerclock help.. NOOB

post #1 of 18
Thread Starter 
hi everybody, my computer crashes after about 5 minutes after login.
Build:
INTEL I7-2600K 3.40 GHZ 8M LGA
30GB KINGSTON 2.5 IN SATA SSD MLC
640GB SATA III 6GB/S 7200RPM 64MB CAC
KINSTON HYPER X DDR3/1600MHz 2 GB ME
CYBERPOWER 240 WATER COOLER KIT
CORSAIR OBSIDIAN 800D FULL TOWER CASE
APEVIA 800WATT POWER SUPPLY
NVIDIA GTX 570 1.2 GB GDDR5 PCI-E
GIGABYTE P67A-UD4-B3 INTEL P67

i followed this guide, http://www.scribd.com/doc/46598840/G...clocking-Guide, and achieved 5ghz without exceeding 35 degrees C.
I do not know anything about overclocking any advice would be great. Thankyou.
post #2 of 18
Your 5ghz is unstable.

If you don't even know how the overclock, you may as well learn to before possibly frying a $300+ CPU. 5ghz is no simple task, even with Sandy Bridge. Not all CPUs are the same. Not all 2600Ks can reach 5ghz The person who wrote that guide probably has experience and a solid chip.
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post #3 of 18
read this guide thoroughly. it will help you on your quest

The ULTIMATE Sandy Bridge OC Guide
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post #4 of 18
Thread Starter 
Thank you. I will read the guide thoroughly tomorrow, try again, and if any questions still linger, will post.
post #5 of 18
Thread Starter 
I have been reading the guide and using it a little. the difference between his chip and mine is that mine is d2 stepping and his is d1. I am following the instructions, but i get a little confused when i am advised to keep bumping up the multiplier till my system "fails to boot". Now, does this mean windows is unable to start, windows crashes, or unable to start all together? Like not even be able to enter BIOS to restore defaults? Because i have been upping the multiplier and just seeing if i can get into windows and i usually can but it blue screens after like 30 secs.
post #6 of 18
You need more voltage. As has already been stated, not all chips are solid, mine imho isn't as good as some others (or im doing something wrong) becuase I only have 4.6Ghz on 1.375 volts.
    
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post #7 of 18
Thread Starter 
But what does the term "fail to boot" actually mean? If the system fails to boot, does that mean i am unable to enter bios and have to clear cmos? or does it only mean windows can't start?
post #8 of 18
fail to boot means fail to boot.if the settings are way unstable sometimes you cant get back into bios with out clearing cmos,and sometimes you can(bios resets to defaults)

intel really messed up with SB,they are creating a generation of overclockers born with silver 5.0GHz spoons in their mouths
    
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post #9 of 18
yea hey i wrote that guide, i meant fail to boot like fail to POST, it seems that these chips can become stable at the max multiplier that they can POST at, it just requires a ton of voltage. my processors are D1 stepping meaning they have problems with the cold and cpu pll overvoltage doesn't work.

Really all there is to SB overclocking on gigabyte boards is that you need to disable turbo, disable power saving features, turn on cpu pll overvoltage and find your max multiplier, find its voltage, or find another lower multiplier and use a voltage you see fit. That will depend on your temps and how long you want to the processor to last. You want ti to last 10 years then don't go over 1.4v 24/7, 5 years don't go over 1.45v max for 24/7, 1-3 years should be fin at 1.5v and some people even use 1.6v without consequences, but they use better cooling and well they wont even own the system longer than a few years.

Some say that 1.35v is the max, but the way max voltages are discovered is replicating heat and voltages that will speed up time. So to see if the processor will last 5 years at 1.4v they might push 1.6v at 90C in a hot box for a few months, only Intel knows how to do that because its their processors designed under their guidelines so they know how fast their silicon will degrade.

That is how they found out about the chipset SATA3G issue, they used a hot box and increased temps/voltage.

bottom line is that intel knows what is best for their processors, while 1.52v might sound like a lot for max VCC(vcore) it might be just fine. There are websites, for instance that leak information early to get hits(andatech). Others leak stupid (falsified not proven) information, like 1.35v is max for 24/7 sandybridge (techreaction) and the foxconn sockets cause burns(techreaction) be ware of what you read.
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post #10 of 18
Thread Starter 
wow. Thank you. I am going to take this info and try it for a few hours. My goal is to be stable at 5.0ghz. I will post results or for more help lol
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