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== Haswell-E Overclock Leaderboard & Owners Club == - Page 1399

post #13981 of 22230
Quote:
Originally Posted by supersf View Post

L516B338.
Or I need to go back to 1.170 and test it again. Maybe last BSOD was something else related smile.gif

1.170V is too few for a 4.5GHz overclock, your system is unstable.
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post #13982 of 22230
Quote:
Originally Posted by supersf View Post

L516B338.
Or I need to go back to 1.170 and test it again. Maybe last BSOD was something else related smile.gif

Ignore him and do what you think seems like the next best step. Seems like you may have a good chip there. Run other stress suites at the settings that have worked well so far
post #13983 of 22230
Bump VCCIN a little.
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post #13984 of 22230
computer has now been problem free since setting the XMP profile for the dominator 3000. Played Bf4 all day including the original map that gave me issues.

question guys.

why the hell was my system constantly crashing (no cpu overclock) with 2133mhz in BIOS? It's back to normal now so I guess when I attempted the first OC I forgot that resetting UEFI resets (everything) and after getting the newer BIOS I think it changed the stock uefi values but i'm still stumped why my rig can't tolerate the 2133hz setting.

The good thing about frustrating problem solving is you learn a lot more about your system. Bad part was I was going to send the CPU/Board back for no reason thinking I fried it.
post #13985 of 22230
Quote:
Originally Posted by Silent Scone View Post

Speaking of VCCSA,testing known good settings against lower voltages - Stress app test is perfectly happy to flag memory errors where there is insufficient or poorly tuned in System Agent, lowering my offset by 40mv resulted in errors within 5 minutes on known good memory voltage and timings.

Nothing shocking or surprising about this, but as stress app is so good at isolating memory alone I think it's good to keep this in mind.

Only problem is, I've just tuned tWTR and TWTR_L in BIOS. Those timings are BIOS stable and also ironically "stressapptest 1 hour" stable. The thing is, AiDA64 gives my the red shade of system instability, 3 minutes into a cache stability test. Perhaps a 2 hour run of Linux stressapptest would be in order? Apart from that, it is good for figuring out VCCSA issues. I also found that HyperPI seems to find VCCSA issues too.
post #13986 of 22230
Quote:
Originally Posted by Desolutional View Post

Only problem is, I've just tuned tWTR and TWTR_L in BIOS. Those timings are BIOS stable and also ironically "stressapptest 1 hour" stable. The thing is, AiDA64 gives my the red shade of system instability, 3 minutes into a cache stability test. Perhaps a 2 hour run of Linux stressapptest would be in order? Apart from that, it is good for figuring out VCCSA issues. I also found that HyperPI seems to find VCCSA issues too.

Again this is because Stress App is so good at isolating memory stability. The first time I tested stability with 32GB I was using the same cache offset I did with 16GB, stabilty seemed linear with the settings I had been using and passed when sufficient DRAM voltage was used. AIDA's cache test would fail in no time, under a minute with stress app stable settings.
post #13987 of 22230
Quote:
Originally Posted by devilhead View Post

grizzly problem is that it doesn't stick to metal properly doh.gif i have maybe ~8 kinds of thermal paste, but the problem it is just with grizzly:p will try to make short video with phone tongue.gif

edit: here it is https://www.youtube.com/watch?v=vkr_SyLR5Y0
lol - fighting to spread that stuff... loooks perfect for the pea method. thumb.gif
Quote:
Originally Posted by schoolofmonkey View Post

BIOS VCCIN is set to 1.920v, which with the 95% vdroop drops to 1.904v idle and 1.888v under load.
Going off what you're saying I should set the VCCIN to about 1.940v with the 75% vdroop?

Edit.
This is from 1.940v in BIOS: Warning: Spoiler! (Click to show)
Yup... letting it droop to the stable voltage is a good thing... voltage at idle eg, no to little load, low current is basically harmless, within reason of course thumb.gif

Quote:
Originally Posted by devilhead View Post

it is 2 kits tongue.gif one is g.skill 3000mhz 15-15-15-35-2t, other g.skill 3200mhz 16-16-16-36-2t smile.gif colors matching good - red and black tongue.gifWarning: Spoiler! (Click to show)
lol - shows what a good IMC can deal with I guess. tongue.gif
Quote:
Originally Posted by Desolutional View Post

Only problem is, I've just tuned tWTR and TWTR_L in BIOS. Those timings are BIOS stable and also ironically "stressapptest 1 hour" stable. The thing is, AiDA64 gives my the red shade of system instability, 3 minutes into a cache stability test. Perhaps a 2 hour run of Linux stressapptest would be in order? Apart from that, it is good for figuring out VCCSA issues. I also found that HyperPI seems to find VCCSA issues too.
GSAT is probably not gonna "reveal" the cache issue if that's what you think it is - AID64 did. Stabilize the cache THEN RUN aid64 CACHE AND RAM for a final. GSAT is great... but do the final stability confirmation in the OS you intend to use. Just my 2cents.gif
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post #13988 of 22230
Quote:
Originally Posted by Silent Scone View Post

Ignore him and do what you think seems like the next best step. Seems like you may have a good chip there. Run other stress suites at the settings that have worked well so far
I heard that I must not test it with synthetic AVX2 tests. Even Xeons reduce the frequency from 2.8Ghz to 1.9Ghz when they use heavy AVX2 tasks.

So, I'm tried HandBrake video converter that supports AVX2 (but I guess not as much as prime or linx). 30 min of converting and BSOD. Max temp was 69.

I tried 4.6Ghz and 1.2v (AIDA64 shows 1.208v) right now. 15min in AIDA65 and PC restart. Do I need to try it with 1.21v? 0.01v can make difference?

Right now I trying 4.5Ghz/1.18v (1.192 in AIDA64) with HandBrake. 40 min - OK.

Quote:
Originally Posted by sblantipodi View Post

1.170V is too few for a 4.5GHz overclock, your system is unstable.
AIDA64 show 1.184v when I stress-test CPU (even with other programs) and not 1.175v. I don't know why.

Quote:
Originally Posted by tux1989 View Post

Bump VCCIN a little.
Why and how much?
Edited by supersf - 10/30/15 at 2:32pm
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post #13989 of 22230
VCCIN is the voltage for Intel's FIVR (Fully Integrated Voltage Regulator). The name is pretty self explanatory in that it supplies multiple rails to the major components on the die. Good rule of thumb is to set this to 1.9v - you may be able to use less or require slightly more depending on the CPU and given frequency and to a smaller degree memory configuration. Please be sure not to confuse this voltage with Vcore wink.gif. Depending on the vendor of board, may be called input voltage.
post #13990 of 22230
Quote:
Originally Posted by supersf View Post

AIDA64 show 1.184v when I stress-test CPU (even with other programs) and not 1.175v. I don't know why.
Why and how much?

Asus AiSuite and even AIDA are the best way to see the effective vcore of your CPU based on the boost that LLC gives to the vcore.
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