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AMD Bulldozer and Piledriver Overclocking Guide - Asus Motherboard - Page 382

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post #3811 of 4095
so i started over from scratch, and was doing prime95 small FFT for 30min at a time, re-followed the guide, i ran 4ghz @ the stock voltage of 1.344 for 30 min, no issues, so i increased to 4.1ghz at the stock voltage and my pc froze at about 25min, so i bumped the voltage up 3 points to 1.3625v and ran prime95 again and froze again at 25 min, so i bumped up another voltage point to 1.36875v and then i froze at 30min of prime95, so i figured i was making progress, i then upped the voltage another point to 1.375v and froze at 10min of prime95, doesn't make any sense to me

doing 30 min prime95 test is very time consuming, maybe ill have better luck with your method

last night i was trying to get 4.4ghz stable at 1.39v, i moved on from passing a 10 min test to 30min, then got the bsod, i upped the voltage to 1.4v and got the bsod at 30 min, kept repeating the process of upping the voltage until i gave up at 1.425v bc i was 70c socket temp, any further it was just gunna get hotter, i stopped getting the Bsod after 1.4v and the computer just turned off and the computer said overclock failure when it went to reboot after every voltage increase above 1.4v and the test only lasted about 30-40 min each time, so thats why i restarted from scratch and I'm gunna try and get a 4.3ghz stable clock
post #3812 of 4095
Start by entering as many values as you know for stock settings.

The AMD stock Vcore (mobo reads this and alters it) for your CPU can be found with HWInfo64 listed as "Core #0 VID" and the AMD stock CPU/NB Voltage is displayed as "NB VID". Top two items here Warning: Spoiler! (Click to show)
Make sure to read the Maximum header if C&Q is enabled.

A couple hints running P95,
A BSOD is "usually" a lack of Vcore
Freezing is "usually" a lack of Dram Voltage or CPU/NB Voltage. Sometimes a combination of the two.
Edited by The Sandman - 5/31/16 at 6:32pm
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post #3813 of 4095
so i think my screensaver was causing the freeze, ever since i disabled it i haven't froze. at 4.1ghz i tested up from the stock voltage 1.344v to 1.375 bc every time i froze i went up a point, after disabling the screensaver, i worked my way back to 1.35v @ 4.1ghz with out any problems 45 min test for each volt point reduction, it had to be my screensaver, i just clicked it off everytime it came on, i guess it was enough to cause prime95 and my computer to freeze, i could stay at 4.1ghz @ 1.35V, my socket temp max 58c and core temp 43c, and begin the full test for stability, but i feel like the M5a99x evo r2.0 6+2 is a good board the vrm just tends to get pretty hot quickly at the higher voltage, so i feel i could push it to 4.2gz or 4.3ghz, if it seems like to much ill stick with 4.1ghz
post #3814 of 4095
so I'm staying at 4.3ghz @ 1.368V, completed an hour small FFT with no issues, max socket temp 62c and max core temp 47c, how to do the blend test, i ran the standard blend test and got the bsod within minutes, so ill increase vcore and test again but my question is should i do the custom setting with same settings as blend standard and just change the memory usage to 75% of 16gb of ram for 24hrs or just stick with the standard for 24hrs?
post #3815 of 4095
I prefer Blend for the 24 hr and follow with 6 to 8 hrs of 75% Custom.
But I do this after IBT AVX and HCI MemTest and some OCCT.
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post #3816 of 4095
so i just completed 25 hours and 29min of a prime95 blend test with no errors or warnings, but the workers fluctuated in the amount of test they did,

4.3ghz @1.38v

worker #1: 192 test
worker #2: 208 test
worker #3: 209 test
worker #4: 220 test
worker #5: 191 test
worker #6: 214 test
worker #7: 216 test
worker #8: 222 test

is this normal to have?
post #3817 of 4095
Yes, it's normal that some workers are quickers than others...
post #3818 of 4095
so i considered my system stable at 4.3ghz @ 1.38v after no issues from a final 25hr blend test. but i noticed that my 2x8gb(16gb) 1866mhz ram was only running at 1333mhz, so i increased it to 1600mhz and my dram is already set at 1.5v, so i followed with a custom blend test with 12000mb of ram (75% of my ram), and it froze at 50 min into the test, The Sandman said above "Freezing is "usually" a lack of Dram Voltage or CPU/NB Voltage. Sometimes a combination of the two." i doubt its a lack of dram voltage bc my memory's website it says its been tested at 1866mhz @ 1.5v or am i wrong in my assumption, i had my CPU/NB Voltage set to 1.25v as the guide stated to be between 1.25-1.3v, so i increased it a point to 1.256v and retesting custom 75% of ram to see if that works, I'm shooting for 6-8hours, so if i fail again do i continue to increase the CPU/NB Voltage until it works but don't go over 1.3V, and if so what should i do if that doesn't work
Edited by jdese001 - 6/4/16 at 2:34am
post #3819 of 4095
Dram voltage spec listed on Ram is rated for Intel which requires less voltage by nature.
In the AMD platform it's not uncommon to need an additional .05v to .1v just for stock settings.
All DDR3 is made to survive up to 1.9v before failure.

Question, if you're currently running 1333MHz stable at 1.5v does it not make sense that 1600MHz may require slightly higher voltage?
If Dram stability is in doubt HCI MemTest set up to run 8 instances with an equal load divided between 8 cores (16GB usable/8)

Make sure you've manually entered ALL the Dram specs into Bios.

Please consider adding your rig sig http://www.overclock.net/t/1258253/how-to-put-your-rig-in-your-sig as it gets to be a PITA searching back to your post that has this info biggrin.gif
We also have no idea what Ram kit you run. rolleyes.gif

You might consider posting a few snips showing HWInfo64 with usable values showing (not 8x CPU usage at 100%) with a test running like this (click "Original" in lower right hand corner to view full screen) Warning: Spoiler! (Click to show)
This may let us notice something you've over looked. Notice all voltages, freqs and temps are relabeled to make it easier for you to follow. Takes a little time but well worth the effort.

I'll post this again from the AMD Tuning Guide

Edited by The Sandman - 6/4/16 at 7:36am
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post #3820 of 4095
yea i know i keep meaning to do the rig sig, ill do that, so far I'm almost 2hrs into a custom blend using 75% of my ram, and i put my memory frequency to its stated 1866mhz, well i set the dram voltage to 1.5v as the guide stated to do but i kept memory frequency to auto, just something i overlooked. but i set the memory to 1866mhz and i set the timings to the specs g.skill stated for that mhz, so far no issues.

i don't have HWInfo64, is downloading an application during a test and installing ok to do? i do have hwmonitor

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