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post #7821 of 40634 (permalink) Old 04-08-2017, 03:17 AM
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Originally Posted by elmor View Post

Thermistor in the CPU socket.
When does the averaging algorithm set in then, or based on what condition exactly? Because below 60ish C SIO CPU is just Tctl +5C, only once you cross a threshold that averaging seems to apply.

And how it it weighted and does the weighting change?
Quote:
There's no shutdown function based on the SIO temp, it's all handled by the CPU depending on the Tctl value.
Then 110C SIO was a coincidence, because that likely is the temp at which Tctl vs. Socket reaches shutdown values. Is shutdown temp 115C Tctl then?
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AMD CBS\UMC COmmon Options\DRAM Memory Mapping names BankGroupSwap
I have seen (twice) and changed this setting (once), but most of the time it does not show up in my BIOS setup (0081).
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post #7822 of 40634 (permalink) Old 04-08-2017, 03:23 AM
 
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Originally Posted by Safetytrousers View Post

I was running with 1.32v vcore but my system petered out during boot this morning, I nudged it up to 1.33v and it successfully booted.
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Originally Posted by Serchio View Post

My CPU need lest with the bios 0083 - right now I am running 3,9GHz on 1,394 (1,36x in the stress) - previously I wasn't able to get stable 39x < 1.4v

See, 2 contradicting examples and I'm guessing both on the same BIOS?

Which BIOS and chip are you guys using.
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post #7823 of 40634 (permalink) Old 04-08-2017, 03:44 AM
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Using a regular p states OC my BCLK seems to oscillate a lot. For instance, right now it's sitting at 97.69 MHz.

Even if I "force" 100 MHz on BCLK, it still seems to dip as low as 98.

Anyone know how to keep BCLK fixed? Could it be that my CPU is not entering OC mode due to my voltage offset being negative (-0.0125)?
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post #7824 of 40634 (permalink) Old 04-08-2017, 03:52 AM
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People asked for it, so here it is. Pretty decent biggrin.gif

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post #7825 of 40634 (permalink) Old 04-08-2017, 04:13 AM
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People asked for it, so here it is. Pretty decent biggrin.gif


Great stuff! biggrin.gif

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post #7826 of 40634 (permalink) Old 04-08-2017, 04:23 AM
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Had to push voltages too high to try to get stable, so I reverted back to 4.0GHz 3200MHz memory.

Here is the difference.

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post #7827 of 40634 (permalink) Old 04-08-2017, 04:27 AM
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DRAM or SoC voltage? Or both?

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post #7828 of 40634 (permalink) Old 04-08-2017, 04:31 AM
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Originally Posted by malitze View Post

DRAM or SoC voltage? Or both?

Both + more vcore. Memory tested stable, but I was getting code 8 crashes in a standard IBT-AVX run. Too much voltage to make it pass for me, so I'll settle for my 24/7 proven overclock.
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post #7829 of 40634 (permalink) Old 04-08-2017, 04:38 AM
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Originally Posted by bluej511 View Post


See, 2 contradicting examples and I'm guessing both on the same BIOS?

Which BIOS and chip are you guys using.

0083, what do you mean by chip? smile.gif

Edit: 1700X

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post #7830 of 40634 (permalink) Old 04-08-2017, 04:50 AM
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A couple of comments related to a few posts I read while trying to catch up:

1. I was getting the provisioning error on the AMD power plan installer until I ran it from my Desktop. I was initially trying to run it from a network drive.
2. I need higher Vcore as well on 0081. When I checked with a DMM it seems like maybe the higher settings don't actually produce a higher voltage than 1002 (maybe there's an internal offset difference)
3. I'm excited to see people having some luck with the ODT setting. I'm going to play with that today.

For anyone unfamiliar with ODT, it's a termination setting for signal integrity purposes. It's not going to affect performance (directly) or degrade your chip but it will affect your ability to run at higher clock speeds. Both DRAM and DRAM controllers (IMCs) have ODT (on-die termination) resistors that are configurable to a few different settings. Nominal ODT values are often set based on trace impedances, but other factors often come into play. I can imagine things like: number of DIMMs installed, DIMM PCB design, VDIMM and VTT voltages, etc all having an effect on which ODT setting works best. I would shy away from very high settings because the signal will overshoot/ring a lot and potentially cause problems.

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