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Haswell Overclocking Guide [With Statistics] - Page 1009

post #10081 of 19539
Quote:
Originally Posted by Cyro999 View Post

If you can pass prime95 version 27.9, custom, fft lengh 1344-1344 for a reasonable amount of time (such as say 10 mins to 2 hours) with 1.1vcore, 1.07 ring (or so) on 40/33, then sure you can drop vcore further

oh thank go.... and screen went black then comp rebooted as i was replying
what i was going to say was once you said run prime i thought you where going to say leave it for 12 hours.
gonna try to up the uncore im only at 1.1v at 37x

this good

Edited by mk16 - 2/17/14 at 3:54pm
post #10082 of 19539
Quote:
Originally Posted by mk16 View Post

oh thank go.... and screen went black then comp rebooted as i was replying
what i was going to say was once you said run prime i thought you where going to say leave it for 12 hours.
gonna try to up the uncore im only at 1.1v at 37x

this good

Use >90% of your available RAM, or in-place. I'm not sure which one is better. I can't pass prime w/ 37 uncore @1.1 ring and i don't like ring above vcore (seen a few warnings not to have it above.. setting 1.1+1.1 will give 1.12vore and 1.13 ring load - but i have no idea if there are any negative side effects or not; it just so happens that there's no reason to use ring voltage as high as vcore basically ever anyway because it's hardly ever efficient in terms of performance to heat ratio)
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post #10083 of 19539
even starting prime gives me a bsod or a black screen reboot

i have all the c states off
speed step off
turbo tech off
hyper-threading off
igpu underclocked to 400mhz and disabled

had 40x and 1.11v on the uncore
and 40x and 1.1 on the vcore

anything im missing or did i get a bottom tier haswell.
post #10084 of 19539
heck your memory with a memory tester.
post #10085 of 19539
Quote:
Originally Posted by GeneO View Post

heck your memory with a memory tester.

OFF TO THE SISTERS COMPUTER TO MAKE A BOOT STICK.
*runs off with usb and cape.*
post #10086 of 19539
Quote:
Originally Posted by mk16 View Post

even starting prime gives me a bsod or a black screen reboot

i have all the c states off
speed step off
turbo tech off
hyper-threading off
igpu underclocked to 400mhz and disabled

had 40x and 1.11v on the uncore
and 40x and 1.1 on the vcore

anything im missing or did i get a bottom tier haswell.

My Haswell is average and i need like 0.1v more than that on the uncore for that frequency, lol

Many chips can't fft 1344 (it's harder than x264) on 4.0, 1.1 on core

Like i said, go 40/33x and 1.1/1.1 to start unless you want to boost uncore clock and volts for the sake of it, and no logical reason that i'm aware of


Also.. Always state bluescreen code. Always. Always. If it didn't say one, it probably says one in Bluescreenview (google it) - common sense can eliminate a lot of stupid stuff (like 40x@1.1v uncore, that rarely happens even on good chips) but diagnostics codes and common sense are the only thing between you and >completely randomly< adjusting settings, which is chaotic at best
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post #10087 of 19539
Quote:
Originally Posted by Cyro999 View Post

My Haswell is average and i need like 0.1v more than that on the uncore for that frequency, lol

Many chips can't fft 1344 (it's harder than x264) on 4.0, 1.1 on core

Like i said, go 40/33x and 1.1/1.1 to start unless you want to boost uncore clock and volts for the sake of it, and no logical reason that i'm aware of


Also.. Always state bluescreen code. Always. Always. If it didn't say one, it probably says one in Bluescreenview (google it) - common sense can eliminate a lot of stupid stuff (like 40x@1.1v uncore, that rarely happens even on good chips) but diagnostics codes and common sense are the only thing between you and >completely randomly< adjusting settings, which is chaotic at best

i may be new to intel ocing but not to bsod tongue.gif
BSV is one of the first things i ever download on a computer alond with most of the cupid programs
al my blue screens where 0x00000124

but meh my weekend is over i'll try again next weekend
which sucks because i only get 2 days not 3.

also got my stick so i'll plug that in tonight and see if there are any memory errors i need to know about.
post #10088 of 19539
Quote:
Originally Posted by mk16 View Post

i may be new to intel ocing but not to bsod tongue.gif
BSV is one of the first things i ever download on a computer alond with most of the cupid programs
al my blue screens where 0x00000124

but meh my weekend is over i'll try again next weekend
which sucks because i only get 2 days not 3.

also got my stick so i'll plug that in tonight and see if there are any memory errors i need to know about.

New memory being faulty is quite rare. There's no reason yet to suspect that it might be
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post #10089 of 19539
Currently attempting Prime (again) trying the 1344 settings 5 minutes and 8000mb of RAM, so far so good 20 minutes in (had a BSOD at 1.25 after 8 minutes so upped to 1.26) temps hovering around 65 degrees and I know Prime isn't the be all & end all but I really want to get at least a couple hours from it without a BSOD just to secure my stability
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post #10090 of 19539
Quote:
Originally Posted by Cyro999 View Post


Many chips can't fft 1344 (it's harder than x264) on 4.0, 1.1 on core

My i5-4670k is somehow an "interesting" chip. It does pass prime95 1344k with 4.0Ghz, 1.1vcore and 34x cache@auto voltage.

So I guess it is not that of a crappy chip, BUT it just won't do 4.5/4.6Ghz with a reasonable vcore. It needs ~1.4 vcore and 2.1 input for 4.5

I have no idea how much it needs for 4.6 propably 1.45vcore. Obviously I haven't pushed it that far because i'm under air. (Thermalright Macho HR-02)

Also for 4.2 it already needs ~1.175-1.2 vcore (haven't tested it enough to be sure)

And for 4.4 already ~1.275 vcore.

What do you guys think is a safe 24/7 vcore? Is 1.275v ok?
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