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Discussion Starter #281
<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/260_20#post_26455978" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>xcr89</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/260_20#post_26455978"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
trfc (alt) same value should go in trfc2 and trfc4?<br><br>
The CLDO_VDDP says 425 it should be 0.425 in bios?<br><br><br>
Any idea how i can improve my timings further or what values i should try out to get better ns on memory, the docp profile that i based the fast preset on.<br><br>
I'm using cmk16gx4m2z3200c16 4.31 b-die, CORSAIR Vengeance LPX 16GB (2 x 8GB)<br><br><br>
Here is some pics<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3153612/"><img alt="" class="lightbox-enabled" data-id="3153612" data-type="61" src="http://www.overclock.net/content/type/61/id/3153612/width/350/height/700/flags/LL" style="; width: 350px; height: 336px"></a> <a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3153613/"><img alt="" class="lightbox-enabled" data-id="3153613" data-type="61" src="http://www.overclock.net/content/type/61/id/3153613/width/350/height/700/flags/LL" style="; width: 350px; height: 319px"></a><br><br>
Currently using timings from this preset below<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3153616/"><img alt="" class="lightbox-enabled" data-id="3153616" data-type="61" src="http://www.overclock.net/content/type/61/id/3153616/width/350/height/700/flags/LL" style="; width: 350px; height: 239px"></a><br><br><br>
Thanks in advance</div>
</div>
<br>
425mv = 0.425v<br>
trfc (alt) - this is a safer value for tRFC.<br>
tRFC2 or tRFC4 does not support in Ryzen system , they can not be touched and left in auto mode.<br>
At the moment, you have the correct settings <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif">
 

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<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280#post_26456302" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>1usmus</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280#post_26456302"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
425mv = 0.425v<br>
trfc (alt) - this is a safer value for tRFC.<br>
tRFC2 or tRFC4 does not support in Ryzen system , they can not be touched and left in auto mode.<br>
At the moment, you have the correct settings <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"></div>
</div>
<br>
Alright thanks alot <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif">
 

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<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/270#post_26456292" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>1usmus</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/270#post_26456292"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
I think it's worth checking this out CLDO_VDDP 0.700 , this value from the new BIOS, the tests showed very good stability and easy start of the system</div>
</div>
<br>
i was trying to adjust cldo volts earlier on an msi tomahawk it wont allow the 425 setting with ram at 1.35 but auto corrects any attempt to 700 if this makes any sense to you<br><br>
(maybe this formula is already in msi bios )
 

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<p>Does the calculator work with 8 modules?</p>
 

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and another friend has been delighted tonight by using the ryzen ram calculator<br><br>
we had previously set up his system with corsair 3000 mhz ram and the msi board did indeed plug and play and click and work xmp 2933<br><br>
he mentioned hes had a few game crashes this week, so we runa quick disk clean up etc trimmed the ssd<br>
and<br><br>
nore importantly run thaiphoon and 1usmus calculator<br><br>
several timings worked out tighter some were set by xmp quite aggressive and the calculator suggested to loosen them from the default xmp (which i feel might have been the issue)<br><br>
well after that he reports quite a considerable increase in his game fps seriously large he said from 60ish before to solid 100+<br><br>
it seems strange to me that just sub timings can have that much affect but hey i believe him (hes not that into how pc's work) so has no reason to exaggerate<br><br>
i can only presume the system was really struggling with some settings before with the default xmp timings<br><br>
so once again thank you 1usmus for sharing your tool and taking the time to design it <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif">
 

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Hello, I was hoping somebody could lead me in the right direction with an issue I'm experiencing.<br><br>
I cannot seeem to stabilize my G.Skill F4-3600C16-8GTZR @ 3466CL14.<br>
It will successfully run CB15 once but crash on the second run and in games.<br>
3466 CL16 is fine but requires me to have CLDO_VDDP modded to 866 to resolve a memory leak causing crashing in games (although it would pass benchmarks at the time)<br><br>
My settings are below from the calculator:<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3153952/"><img alt="" class="lightbox-enabled" data-id="3153952" data-type="61" src="http://www.overclock.net/content/type/61/id/3153952/width/500/height/1000/flags/LL" style="; width: 500px; height: 341px"></a><br><br>
BIOS Settings would be set to what was recommended in the Power Supply Systems tab along with the max voltages that I worked up to in attempts to stabilize.<br><br>
DRAM 1.5<br>
SOC 1.1<br>
VTT DDR 0.749<br>
Boot DRAM 1.5<br>
CLDO_VDDP 866<br><br>
The below works best for booting and successfully training the timings:<br>
procODT 53<br>
RTT NOM DIS<br>
RTT WR OFF<br>
RTT PARK RZQ/6<br><br>
For the CAD_BUS, I've tried all recommended combinations.<br><br>
Thanks in advance for your time and for the amazing tool 1usmus.
 

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really i dont know but some users have better stability with:<br>
bgs off<br>
bgsa on<br>
tcke 8<br><br>
your mother have bios with agesa 1.0.0.7?<br>
if yes, try with this new bios.
 

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Yes, I am running 1.0.0.7. I will try with those settings now and see if it stabilizes it and report back.<br><br>
Edit:<br><br>
Unfortunately still the same issue after:<br>
bgs off<br>
bgsa on<br>
tcke 8
 

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Discussion Starter #289
<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456430" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>datonyb</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456430"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
i was trying to adjust cldo volts earlier on an msi tomahawk it wont allow the 425 setting with ram at 1.35 but auto corrects any attempt to 700 if this makes any sense to you<br><br>
(maybe this formula is already in msi bios )</div>
</div>
<br>
In the new biome AMD has artificially limited the minimum value of 0.700, which is bad<br>
I will think how to solve this problem <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"><br><br><div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456462" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>ht_addict</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456462"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Does the calculator work with 8 modules?</div>
</div>
<br>
settings will be the same as for 4 modules<br><br>
example:<br>
2 dimm SR procODT 60-53<br>
2 dimm DR procODT 60-80<br>
4/8 dimm SR procODT 48-53<br>
4/8 dimm DR procODT 60-68<br><br><div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456672" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>datonyb</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456672"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
and another friend has been delighted tonight by using the ryzen ram calculator<br><br>
we had previously set up his system with corsair 3000 mhz ram and the msi board did indeed plug and play and click and work xmp 2933<br><br>
he mentioned hes had a few game crashes this week, so we runa quick disk clean up etc trimmed the ssd<br>
and<br><br>
nore importantly run thaiphoon and 1usmus calculator<br><br>
several timings worked out tighter some were set by xmp quite aggressive and the calculator suggested to loosen them from the default xmp (which i feel might have been the issue)<br><br>
well after that he reports quite a considerable increase in his game fps seriously large he said from 60ish before to solid 100+<br><br>
it seems strange to me that just sub timings can have that much affect but hey i believe him (hes not that into how pc's work) so has no reason to exaggerate<br><br>
i can only presume the system was really struggling with some settings before with the default xmp timings<br><br>
so once again thank you 1usmus for sharing your tool and taking the time to design it <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif"></div>
</div>
<br>
secondary and tertiary timings play a very huge role for stabilization <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"> today or tomorrow I will publish an update, there will be some minor timings and new features
 

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Discussion Starter #290
<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456710" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>stryk9</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456710"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Hello, I was hoping somebody could lead me in the right direction with an issue I'm experiencing.<br><br>
I cannot seeem to stabilize my G.Skill F4-3600C16-8GTZR @ 3466CL14.<br>
It will successfully run CB15 once but crash on the second run and in games.<br>
3466 CL16 is fine but requires me to have CLDO_VDDP modded to 866 to resolve a memory leak causing crashing in games (although it would pass benchmarks at the time)<br><br>
My settings are below from the calculator:<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3153952/"><img alt="" class="lightbox-enabled" data-id="3153952" data-type="61" src="http://www.overclock.net/content/type/61/id/3153952/width/500/height/1000/flags/LL" style="; width: 500px; height: 341px"></a><br><br>
BIOS Settings would be set to what was recommended in the Power Supply Systems tab along with the max voltages that I worked up to in attempts to stabilize.<br><br>
DRAM 1.5<br>
SOC 1.1<br>
VTT DDR 0.749<br>
Boot DRAM 1.5<br>
CLDO_VDDP 866<br><br>
The below works best for booting and successfully training the timings:<br>
procODT 53<br>
RTT NOM DIS<br>
RTT WR OFF<br>
RTT PARK RZQ/6<br><br>
For the CAD_BUS, I've tried all recommended combinations.<br><br>
Thanks in advance for your time and for the amazing tool 1usmus.</div>
</div>
<br>
Are you sure that this is a memory problem? I think it's CPU dissatisfaction, need more voltage<br><div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456730" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>ZeNch</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26456730"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
really i dont know but some users have better stability with:<br>
bgs off<br>
bgsa on<br>
tcke 8<br><br>
your mother have bios with agesa 1.0.0.7?<br>
if yes, try with this new bios.</div>
</div>
<br>
bgs off<br>
bgsa on<br><br>
these values are suggested by AMD from the very beginning, they stand by default<br><br>
tcke 8 - for 3200/3333 , for 3466 - 9<br>
there is a rigid formula for calculations <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif">
 

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So I backed off my CPU OC from 4 GHz @ 1.41 to 3.9 GHz @ 1.38125 and it will do conistent CB runs perfectly fine @ the same RAM timings (CL14). Strange how that extra 100 MHz causes it to be unstable.<br><br>
In the past at attempts to reach 3466 CL14 timings, I did notice actually that 3.9 had better luck, although it is stable @ 4 GHz 1.41 + 3466 CL16. Can't really explain this, but maybe my CPU cooler is just not good enough to handle the stressload. It appears that any further bump on the cpu will not stabilize at 4 GHz.<br>
I will try again and report back.<br><br>
A step closer in the right direction! <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif"><br><br>
Thank you!<br><br>
Update:<br><br>
I have since stabilized my system at 4GHz 1.40625 + 3466 14-14-14-14-28-44 timings =)<br>
It ran CB15 countless times. My previous issue with crashing was probably due to my CPU cooler as eventually I got the "CPU OVER TEMPERATURE" error after a restart from a crash. I have since turned up the fans to max while running benchmarks but will switch back to my custom profile for normal usage.<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3154500/"><img alt="" class="lightbox-enabled" data-id="3154500" data-type="61" src="http://www.overclock.net/content/type/61/id/3154500/width/500/height/1000/flags/LL" style="; width: 500px; height: 630px"></a><br><br>
I am still going to run some memtests and report back, but hit a new record today as well =) 1851!<br><br>
A huge thank you to this community. I've been an owner of my 1800X since launch and have spent a lot of time tinkering, only recently having a desire to get my RAM speeds higher. I originally had Corsair Vengeance 3200 C16 that I gladly sold to get my Trident Z kit. Hope I can give back to this community and share some of my experiences with this platform as much as possible. Feel free to PM me if interested. <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif"><img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif">
 

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Discussion Starter #292
I decided to write a small article explaining why some systems work fine at 3200+ and others do not at all<br><br><span style="font-size:36px;"><b>Influence of СLDO_VDDP on MEMCLK "holes"</b></span><br><br>
CLDO_VDDP is a voltage regulator for the module (physical interface) of encoding and decoding of the transmitted and received data stream. The purpose of coding is to simplify the process of restoring the data stream of the receiver. It determines the signals, signal ratios and time parameters necessary for transferring control information, reading and writing data to DRAM devices. In plain language, CLDO_VDDP is the voltage that regulates the memory access at a certain frequency. "Hole" in turn - the frequency gap on which the memory controller can operate with our RAM.<br><br>
Consider this simple picture:<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3154333/"><img alt="" class="lightbox-enabled" data-id="3154333" data-type="61" src="http://www.overclock.net/content/type/61/id/3154333/width/500/height/1000/flags/LL" style="; width: 500px; height: 281px"></a><br><br><br>
It shows 3 identical systems (motherboard + RAM + processor). All 3 systems were overclocked and received the following results:<br><br>
1) The system was perfectly dispersed to a frequency of 3333 MHz<br>
2) The system was accelerated to 2933<br>
3) The system did not start at all<br><br>
If all systems are the same, why such results? Let's understand. The bottom line is that each memory controller (IMC) has its own technical characteristics ("voltage" and time) and at the same voltage / frequency it will behave differently, namely it will have different access to memory. Red marked our MEMCLK holes, these are the very hole-mediators through which our memory controller communicates with RAM, and if there is no hole in the frequency range chosen by us - the system does not start or start, but the memory runs with errors. At you I think there was a question as these holes to move and expand - all is very simple, voltage CLDO_VDDP allows to spend the given manipulations. The only difficulty is that these holes can not be mathematically calculated. A vivid example of CLDO_VDDP 866 which is magical for many. The hole of this voltage is in the region of 3300-3500 MHz, but again not for all systems. As shown by our internal tests, not all of it works, I repeat all the IMC are different and require a different voltage CLDO_VDDP to achieve the same frequency.<br><br>
In view of the fact that the shape of the voltage CLDO_VDDP is wave, the minimum voltage change can drastically change the stability of the system. The voltage step is 1 mv. Borders from 700 to 975.<br><br>
I also want to publish a list of CLDO_VDDP, which can help stabilize your memory<br><br><a class="spoiler-link H-spoiler-toggle" href="#"><strong>CLDO_VDDP list (volts)</strong> <span class="spoiler-help">(Click to show)</span></a><div class="spoiler-hidden">0.562<br>
0.568<br>
0.573<br>
0.579<br>
0.585<br>
0.590<br>
0.596<br>
0.601<br>
0.607<br>
0.613<br>
0.618<br>
0.624<br>
0.630<br>
0.635<br>
0.641<br>
0.646<br>
0.652<br>
0.658<br>
0.663<br>
0.669<br>
0.675<br>
0.680<br>
0.686<br>
0.691<br>
0.697<br>
0.703<br>
0.708<br>
0.714<br>
0.720<br>
0.725<br>
0.731<br>
0.736<br>
0.742<br>
0.748<br>
0.753<br>
0.759<br>
0.765<br>
0.770<br>
0.776<br>
0.781<br>
0.787<br>
0.793<br>
0.798<br>
0.804<br>
0.810<br>
0.815<br>
0.821<br>
0.826<br>
0.832<br>
0.838<br>
0.843<br>
0.849<br>
0.855<br>
0.860<br>
0.866<br>
0.871<br>
0.877<br>
0.883<br>
0.888<br>
0.894<br>
0.900<br>
0.905<br>
0.911<br>
0.916<br>
0.922<br>
0.928<br>
0.933<br>
0.939<br>
0.945<br>
0.950<br>
0.956<br>
0.961<br>
0.961<br>
0.967<br>
0.973</div>
<br><b>upd 1 : small addition-explanation</b><br><br>
The curve represente your dram voltage signal, changing cldo_vddp move back and forth this signal compared to your available frequency setting.<br>
The purpose to changing it is to make the curve crossed your setting line on the appropriate frequency setting.<br>
Whereas the zone where there is no curve present is a memory hole .<br>
Depending of your IMC or RAM the curve can vary in lenght or thickness.<br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/3157518/"><img alt="" class="lightbox-enabled" data-id="3157518" data-type="61" src="http://www.overclock.net/content/type/61/id/3157518/width/350/height/700/flags/LL" style="; width: 350px; height: 110px"></a><br><br>
only the form is more oblate, in dozens of times
 

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<a data-huddler-embed="href" href="/u/540936/1usmus">@1usmus</a><br>
Your talking about millivolts, yet your "list" shows values behind the komma<br>
Think you should refrase something there <img alt="wink.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/wink.gif"><br>
Like... Change the list... From volts to MilliVolts values <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif">
 

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I've perceived a little pattern about different kind of crashes<br><br><b>A. Prime95 large ffts (core(s) fail but no crash)</b><br>
Too little Vcore or memory unstable.<br><br><b>B. Prime95 large ffts (Screen blacks out and code 08 (processor not operational)</b><br>
Most of the time it's too high of a heat output combined with high clocks and vcore. Over 75c is the point where Ryzen stability increasingly suffers to the point of 08 (non operational CPU)<br>
I wouldn't recommend over 80C or most likely you would see 08 stop code within couple of hours prime95, at least in my experience.<br><br><b>C. I haven't really noticed any pattern for BSoD</b>
 

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Tool bug report.<br><br>
When saving settings number of DIMMs is not saved. When tool is opened again it will show 2 instead of saved value e.g. 4.
 

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Discussion Starter #296
<b><span style="font-size:36px;">Ryzen DRAM Calculator 0.9.9 v6<br></span></b><br><br>
<a href="https://drive.google.com/file/d/1zVtLtmSzEaLE4iC7CVdVk1KOax-EABfZ/view?usp=sharing" target="_blank">https://drive.google.com/file/d/1zVtLtmSzEaLE4iC7CVdVk1KOax-EABfZ/view?usp=sharing</a><br><br>
* Added support for 8 RAM modules<br>
* Redesigned saving algorithm (now after updating the program all previously entered data will be available)<br>
* fixed tRTP calculation for all calculators<br>
* fixes in Termination block<br>
* Block Drive strength added (auxiliary parameters for memory stabilization)<br>
* Added a block of memory interleaving (a small increase in processor performance)<br>
* partially reworked Extreme preset (memory bandwidth is reduced, but latency is improved)<br>
* small visual improvements
 

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Discussion Starter #297
<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26457714" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>DarkLordThe1st</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26457714"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br><a data-huddler-embed="href" href="/u/540936/1usmus">@1usmus</a><br>
Your talking about millivolts, yet your "list" shows values behind the komma<br>
Think you should refrase something there <img alt="wink.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/wink.gif"><br>
Like... Change the list... From volts to MilliVolts values <img alt="thumb.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/thumb.gif"></div>
</div>
<br>
done <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"><br><div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26458089" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>Anty</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26458089"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Tool bug report.<br><br>
When saving settings number of DIMMs is not saved. When tool is opened again it will show 2 instead of saved value e.g. 4.</div>
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done <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"><br><div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26457983" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>WarpenN1</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/280_20#post_26457983"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
I've perceived a little pattern about different kind of crashes<br><br><b>A. Prime95 large ffts (core(s) fail but no crash)</b><br>
Too little Vcore or memory unstable.<br><br><b>B. Prime95 large ffts (Screen blacks out and code 08 (processor not operational)</b><br>
Most of the time it's too high of a heat output combined with high clocks and vcore. Over 75c is the point where Ryzen stability increasingly suffers to the point of 08 (non operational CPU)<br>
I wouldn't recommend over 80C or most likely you would see 08 stop code within couple of hours prime95, at least in my experience.<br><br><b>C. I haven't really noticed any pattern for BSoD</b></div>
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I hear a lot of feedback that this program often works oddly, the simplest solution is to use other stress tests
 

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<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/290#post_26458796" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>1usmus</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/290#post_26458796"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
done <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"><br>
done <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif"><br>
I hear a lot of feedback that this program often works oddly, the simplest solution is to use other stress tests</div>
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I have too huge urge to buy 1800x on black Friday if It's on the sale just because hoping to run it with lower volts than 1700 LOL <img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif">. Hopefully zen 2nd gen will be released in February or quite soon.<br>
Why 1800x is still like 140€ more than 1700 :O. Is binning that expensive?
 

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<div class="quote-container" data-huddler-embed="/t/1640919/ryzen-dram-calculator-overclocking-dram/290#post_26458892" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>Anty</strong> <a href="/t/1640919/ryzen-dram-calculator-overclocking-dram/290#post_26458892"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Zen2 is not same as Zen+. Next year there will be zen+ which is die shrink, not new arch.</div>
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I didn't say zen2, I said <b>zen 2nd generation</b> <img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif"><br><br>
Edit: I just found 1800x for the 326€ aaah this is really hard to not to buy :S
 
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