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My experience with the Asus PRIME X370-Pro - Page 599

post #5981 of 6429
Quote:
Originally Posted by Lermite View Post

I don't know exacty where the VIDs and VDI2 TFN voltages come from inside the CPU, but as the VID must be closer to the cores, their voltages should be always lower than the SVI2 TFN.
According to this, I don't understand how you could get higher VIDs with the 1201.

I always use the CPU LLC 5 (and SOC LLC4), to get perfectly still VDI2 TFN voltages, the sames than the ones I set in the bios.
But my overclocking is much lighter than yours because my 1700 runs at 3,85 Ghz with 1,2375 V.
As fearing a voltage peak of 0.07V is legitimate even if I didn't manage to measure it, the maximum safe voltage according to this peak is 1.355 V because that way, the real voltage can never exceed 1,425 V.

But, off course, a 1700 won't die as soon as its voltage goes higher than 1,425V and as your set voltage is only a bit higher than 1,355V, the LLC 5 should be perfectly safe.
And if the level 5 is safe, any lower level is safe as well.

I didn't try to lower my Vcore with each new version of the bios but since the 0810, I could reduce it significantly:
3.9 Ghz: 1.30625 > 1.1875 V
3.85 Ghz: 1.2625 > 1.2375 V

Edit: My own rig working on a x265 encoding and many various stuffs: Warning: Spoiler! (Click to show)
HWiNFO_3203_3.95_x265.png

Also in bios 902 I see the VID going higher then SVI2.

But go to bios 3203... I have some updates.

This morning I tested again OCCT for 2 hours at 1.356v LLC3... and Now I passed it!!
I have also changed Global C-States to OFF.

So how I can explain this? Yesterday I have failed OCCT at 1 hour, same 1.356v LLC3; but C-States enabled... And I have launched OCCT in the afternoon, and the PC was up from some hours.

So I have passed the test for the C-states change or because the Computer was shutdown for the night... and in the morning it was more fresh?

occtnewagesa.png


P.s. I have not launche HWinfo because I was out home.
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post #5982 of 6429
Quote:
Originally Posted by Keyan93 View Post

Also in bios 902 I see the VID going higher then SVI2.

But go to bios 3203... I have some updates.

This morning I tested again OCCT for 2 hours at 1.356v LLC3... and Now I passed it!!
I have also changed Global C-States to OFF.

The 0902 must have some bug about the VIDs because the voltages from the VRM to the cores are (in HWiNFO):
  1. VDDCR CPU
  2. Vcore measured on the socket with a DMM
  3. CPU Core Voltage (VDI2 TFN)
  4. Core VID

The closer to a core the voltage is measured, the lower it must be when the CPU is loaded.
When the CPU is idle, all these voltages must be pretty close to each other.

That's why a Core VID higher than VDI2 TFN makes no sense and must come from some bug.

About your stability issue, I doubt it comes from "Global C-State Control" because this option has never causes any stability issue on my rig. As enabling save some power by reducing the cores VID according to the one they need to do what they have to, you should try to stabilize your rig with it enabled.

Are you sure you RAM is perfectly stable?
A slightly unstable RAM random and sporadic errors and an error occurring at a critical moment can results to a crash.
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post #5983 of 6429
post #5984 of 6429
Quote:
Originally Posted by ZeNch View Post

tcke? try with 8

thanks but still no go.. anything above 2800 just doesnt work. no matter how ****ty the timings are or how much volt i give.
post #5985 of 6429
Quote:
Originally Posted by Xpander69 View Post

thanks but still no go.. anything above 2800 just doesnt work. no matter how ****ty the timings are or how much volt i give.

WEIRD FOR ME IS TAHT i can get stable 2666 but 3066 can star but cant get stable! i can surt in net and other things 3066 but mem test ir whit errors.
post #5986 of 6429
3203 is a go for me, RAM is back at 3200, although I haven't tried to tune anything so far.
https://valid.x86.fr/31ldca

0902 (as I was having problems with 1001 and 1201)


3203
post #5987 of 6429
New Bios is super unstable old overclocks are not working any more either. What Modded Bios would you recommend that is useful and stable at the same time. I need a fully stable Bios i'm an content creator and this is annoying to crash.
post #5988 of 6429
Just had problems starting up. Half an hour I was trying to start it up, reset BIOS and tried everything and it wouldn't go past Asus logo. Finally got in and started with BIOS at defaults.
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post #5989 of 6429
Quote:
Originally Posted by d875j View Post

New Bios is super unstable old overclocks are not working any more either.

I wonder how you manage to get such a result.

The required Vcore by my 1700 was lowered by 0.025V since the bios 0810:

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post #5990 of 6429

Finally with 3202 Bios , I was able to run at 3200.I just only turn on D.O.C.P.nothing.also Oc CPU to 3950 at 1.375v

 

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