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Old 17th March 2017, 7:01 PM   #1
PAiZley Thread Starter
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Join Date: Nov 2010
Location: Melbourne
Posts: 191
Default 2600(non K) Overclocking

Hey guys,

doing some dirty cheap overclocks on a few systems that I don't care about. (trying to push for good benchmarks on hwbot)

have a i7 2600 that I can OC to about 4.4ghz but can't seem to get higher.

I can up the multiplier to 42 (this gives me 4.2ghz)

from here, I increase the BCLK to push it even further, though It reaches a point around the 4.4ghz area where it won't even POST.

slightly under 4.4 it boots fine and temps are good. but just over and no post. so something is getting too high or stopping me from going any further.

I've left all volt settings on AUTO (yeah don't care about the life of the cpu)
and I have disabled a few things in the bioslike Turbo, CIE Support

I'm also aware that increasing BCLK on these chips also increase the volts on the GPU (which hinders my GPU OC I later found out)

I've manually set the RAM ratio so that it is under 1600mhz (which my ram is rated at)

board is a GA-Z68XP-UD3R

Hoping there is a particular bios setting I have missed or maybe something that could be preventing it to post. or if AUTO on all the voltage settings maybe spiking it too high to boot ?

Temps aren't an issue either. (yet)

any thoughts ?

EDIT: doing some further reading, it looks like I've managed to push this thing further than most with what I have. not too fussed if I can't get it further. but any comments welcome.
ex58-ud3r - i7 920 @ 4.1Ghz - 6gb Patriot Sector 7 2000Mhz - GTX580 SOC (940mhz) - TT V9 tower - TT Frio cooler

Last edited by PAiZley; 17th March 2017 at 7:26 PM.
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Old 18th March 2017, 2:55 PM   #2
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4 bins and about 103 bclk is about the max you can go.
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Old 20th March 2017, 7:59 AM   #3
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as terra says, 4.2 is the highest you can go to (and it'll only boost to 4.2 on single-threaded workloads, when all 4 cores are used it'll boost to only 3.9) and between 103 and 105 BCLK (105 if youre lucky)

gotta say, even at 3.9ghz these chips are remarkable performers. which is equally impressive when you consider that the i7 2600 series is over 5 years old now.
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