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ROG Crosshair VI overclocking thread - Page 1320

post #13191 of 16894
Quote:
Originally Posted by mbcoffman View Post

Is it possible that memory timings are on the edge at 3200 and react to the temp and cause the boot problem. I say this because I had a boot problem at 3200 only. Not a temp. related problem but relaxing timings from 14 14 14 34 to 16 14 14 34 fixed my problem. So, is it possible that the timings required at 3200 are somehow contributing in this situation.

Trust, im already pretty relaxed with my Hynix at 16-18-18-18-36, haven't touched those. It's a step though because 3200mhz wouldnt work at all before would just be code 15, when i upped soc to 1.15 id need a single reset on cold boot, ALL cold boots irregardless of temps to get it to boot then its fine. Now it works fine with soc at 1.0v without skipping a beat during the day.
    
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post #13192 of 16894
4x8GB 3200mhz 14-16-16-36 (Corsair LED 3466 on Samsung E-die)

Seems pretty stable with 1.44V DRAM, 1.1V SOC. Didn't expect this but really happy with 1107 for what it can do with 4 sticks rolleyes.gif
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post #13193 of 16894
*nevermind* (stuff deleted, abut a possible bug in bios)


Apparently there are two settings for light and somehow I missed that when looking through the bios.

Onboard LED = buttons
RGB LED Lighting = the fancy LED light on the board
Edited by Decoman - 5/3/17 at 7:11am
post #13194 of 16894
Quote:
Originally Posted by Decoman View Post

@elmor

I think maybe I found a bug in the bios, though this is the older 1002 bios iirc.

The problem was (I fixed it), that when I turned the setting for enabling LED lights on the Crosshair VI Hero motherboard to off, and on. Iirc, the setting on screen told me the setting was back to "enabled", however the LED light on the board remained turned off after a reboot.

I managed to turn the LED lights on again, and just prior to that reboot, the screen showed me this when I wanted to exit bios and save the settings, which to me looks kind of odd as the LED changes are mentioned twice. There seem to me, to be two different named variables to the LED setting. One being "Onboard LED" and the other "RGB LED lighting". Maybe this is a bug with the programming?
Warning: Spoiler! (Click to show)

Hello

The settings are exactly as the names imply. Onboard LED - LEDs such as the onboard start button. RGB LED Lighting - All onboard and header connected RGB LEDs.
post #13195 of 16894
I have been stable for a while at 4ghz. But at 3000 MHz memory speed. Which was not to my satisfaction as this memory is rated for 3200.
Tonight, I managed to get 3333 mem speed stable to my standards = 1 hour prime testing memory and some gaming and general pc use. Including the 30 minz writing this post. Before tonight I did not even get 5 minutes of prime testing memory before the errors came.

I'm kinda happy about it I have to say.

ppl like pictures, here is a picture :



my specs are :

CH6 mobo with an 1700X.
Geil EVO X 16-16-16-36 3200 2x8GB kit (GEX416GB3200C16DC) with Hynix chips. Single sided (rank).

CPU 4.0Ghz
BCLK 125 Mhz
Multi 32

1.526v dimm and timings 16-16-16-16-36

Vcore + 0,325 offset (1.417 at low load, 1.439 at really high loads due to LLC5... could maybe do LLC4 but have to test more.. I'm on water so don't really bother me so much).
Vsoc 1.05v

PLL 1.83v


All the other voltages are on auto.

Compared to the 3000 mem speed setting I had before I had to use 1.15 vsoc.
So in my logical assumption, I thought that it would need more vsoc than 1.15v to get to 3333 mhz.
I tried 1.2, 1.221.. it resulted in an unstable OC.. I ran some benchmarks, they were ok.. but prime testing I got cores shutting down after a few minz.

Then I suddenly got in to a gutsy mood and tried 1.3 vsoc..

Fired up prime and all cores went red after just 10 seconds.
Then I thought.... wut? does it maybe need LOWER voltage????

Well, I went in to the BIOS, put it on 1.1 vsoc.
Went back in to windows and ran prime again and omg... it was still running after 10 minutes.
it wasn't stable yet.. it showed 1 red core after about 12 minz but it was a biiiiig improvement.. I got goosebumps!

So I went much lower with vsoc... 0.95v.. and this resulted in a crash while windows was booting up. A good sign that it was too low.
I took a bit of a middle road and ended up on 1.05v with success!

Then I thought hmm... maybe I can also relax a bit on the voltage of the modules themselves.. I decided to start with the rated voltage for 3200.. which is 1.35.. well this resulted in a failed boot at BIOS level. (did not see the code because my case is closed but it wasn't gonna boot anyway).
Tried 1.45v on the dimms, which was enough for 3000mhz, but also that didn't work well in windows (kmode exception blue screen).

So this memory really needs this big boost of voltage in order to work on Ryzen it seems.
Just not a big boost on the vsoc when using it at this speed.

Logical in my opinion, it is not.
Logical it probably is along the way towards enlightenment but I am not there yet. But at least I am not alone.

Lesson learned for me, more is not always the solution, sometimes.. you need less..

Edit : I'm on the 1107 bios
Edited by leareynl - 5/2/17 at 2:53pm
post #13196 of 16894
Q: With the older 1002 bios and an 1800x Ryzen cpu, if the temp reporting is 20 deg C to high, how do I correct it for my particular bios, such that it reports a temp that is 20 deg C lower?

I am ofc referring to the older AMD's blogpost about the 20 deg C temperature offset.

(I thought I knew this, but I can't find it in my notes)

Edit: Uhm, or am I simply to subtract 20 deg C in my head, with no option to correct this in bios?

Edit: To answer my own question: Set "sense skew" to enabled, and set value to 272.
Edited by Decoman - 5/3/17 at 7:12am
post #13197 of 16894
Quote:
Originally Posted by bluej511 View Post

Right, but its not his ENTIRE PC thats running below -20°C its the CPU and thats it. Me and @RaptormanUSMC are in coolish ambient temps, ie everything else including the CPU is below 20°C not just the cpu, you get what I'm saying?
Yea but mine and raptors don't. I've cold booted it 20x today alone just to see and not once did it f9. Not sure if the traces between the CPU and RAM are getting cold and making it fail, if the ram itself at 17°C is too cold and causes it not to boot at higher speeds, but like i said, after a minute of it running i can go into the BIOS and change the strap from the 2133 it reset itself to back to 3200mhz and it boots instantly.

So maybe a cold+voltage issue i have no idea. No amount of dramboot/dram/soc fixes the issue.

What parts do you believe are contributing factors then? His memory maxed out at 22.8°. The issue certainly isn't the RAM running at sub 20° temperatures.
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post #13198 of 16894
*nevermind*
Edited by Decoman - 5/3/17 at 7:12am
post #13199 of 16894
Quote:
Originally Posted by madweazl View Post

What parts do you believe are contributing factors then? His memory maxed out at 22.8°. The issue certainly isn't the RAM running at sub 20° temperatures.

Not running at but booting at, if my ambient is 17°C for example, my ram in the morning will be at the that temp. I think people are getting confused here but not sure why.
    
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post #13200 of 16894
Quote:
Originally Posted by bluej511 View Post

Quote:
Originally Posted by madweazl View Post

@Johan45 just made an LN2 pull for you; I don't know what else to add.

Right, but its not his ENTIRE PC thats running below -20°C its the CPU and thats it. Me and @RaptormanUSMC are in coolish ambient temps, ie everything else including the CPU is below 20°C not just the cpu, you get what I'm saying?
Quote:
Originally Posted by hughjazz44 View Post

My computer would fail cold boots at normal room temperature. So clearly there WAS a need for 0003, regardless of temperature.

Yea but mine and raptors don't. I've cold booted it 20x today alone just to see and not once did it f9. Not sure if the traces between the CPU and RAM are getting cold and making it fail, if the ram itself at 17°C is too cold and causes it not to boot at higher speeds, but like i said, after a minute of it running i can go into the BIOS and change the strap from the 2133 it reset itself to back to 3200mhz and it boots instantly.

So maybe a cold+voltage issue i have no idea. No amount of dramboot/dram/soc fixes the issue.

My home drops to 15° overnight. But that's irrelevant really. The "cold boot" isn't usually caused by sitting a couple hours it's an overnight thing. This gives the capacitors in th board time to drain when there's no power to them.
Also I do believe the 3200 divider is a bit wonky, that's why I don't use it. If it wasn't then you'd be able to run lower than CL18 with 32 GB of ram but you can't unless you use the 2666 strap and BCLK to 3200
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