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My experience with the Asus PRIME X370-Pro - Page 17

post #161 of 873
Quote:
Originally Posted by bardacuda View Post

Hmm ok. On my system my VDDCR stays at what I set core voltage to in BIOS +/- 20mV or so, so maybe that was just throwing me off. I'll have to take a closer look at the amperage sensor and my watt reader and compare it to auto settings to see if there actually is any difference. I am using HWiNFO64 v5.50-3130..is that what you're using too for those VDDCR readings?

Yes, HWinFo64 V5.50-3130 and SIV 5.18 Beta24 both show VDDCR CPU of what it is set in the BIOS and they also show the "real" SVI2 TFN voltage regulator output which shows the CPU Core voltage after Vdroop at the input to the CPU. Check the power levels of the CPU and SoC after the system gets quiet. They should drop significantly from over a 100 watts for the CPU down to 10 watts and similar ten fold reduction on the SoC wattage.wink.gif
post #162 of 873
I think there is still a problem with 2 X 16GB on the Prime. We don't have the new AGESA updated BIOS yet like the Crosshair people got yesterday. I would try to bump the Vdimm voltage to 1.37-1.38V and also make sure to bump VTTDDR voltage to half of Vdimm. It appears the Prime doesn't do that automatically like it should when upping Vdimm. Also put VDDSoC voltage up to 0.950V. There are some messages that to get to 3200, you need to take it up in steps after successive reboots to get it to train correctly at 3200.
post #163 of 873
Quote:
Originally Posted by bardacuda View Post

Does anyone have auto downclock/volt at idle when OCed working? Or does your vcore constantly stay around what you set it to?

Mine auto downvolts at idle but only because I still have my v-core still set to auto with my 3.9 Ghz OC. I figure if it will run stable at that speed with auto volts, who am I to complain.
 
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post #164 of 873
still downvolt even on manual setting unless you're running performance mode
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post #165 of 873
Stupid question..

I picked up one of these boards and a 1700x for a new build ...

Now I have been out of the overclocking game for a while..

In the advanced tweaking settings...what'd does the DID increase of decrease do?

I played with the FID... and I assume that changed the multi

But when I played with the DID ..it deceased the core speed..

Any insight would be fantastic
post #166 of 873
DID used for a fine tune.. like, you're stable on 3950M but unable to get it stable at 3975M. by changing the DID, you could get in between that clock
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post #167 of 873
Quote:
Originally Posted by Keith Myers View Post

Yes, HWinFo64 V5.50-3130 and SIV 5.18 Beta24 both show VDDCR CPU of what it is set in the BIOS and they also show the "real" SVI2 TFN voltage regulator output which shows the CPU Core voltage after Vdroop at the input to the CPU. Check the power levels of the CPU and SoC after the system gets quiet. They should drop significantly from over a 100 watts for the CPU down to 10 watts and similar ten fold reduction on the SoC wattage.wink.gif

OK so here are my findings:

I ran HWiNFO and did 1 AIDA64 Cache & Memory benchmark for each setting. After that I closed AIDA, and kept my eye on the watt reader and SVI2 readings and made some notes. About 15 mins after starting HWiNFO I took a screencap.

Auto
- Fluctuates between ~1.1V-1.4V in BIOS but tends to hover around 1.35V
- Total system draw at the wall in idle: 75W-76W
- SVI2 Core Voltage: Typically hovers around 1.28V but goes as high as 1.375V (and as low as 1.037V)
- SVI2 Core Amps: Typically hovers around 8.3A-10.3A
- SVI2 CPU Power: Typically 6.6W-13.3W

Manual 1.350V set in BIOS
- Total system draw in idle: 80W-81W
- SVI2 Core Voltage: 1.35V
- SVI2 Core Amps: Typically 5.2A-6.2A
- SVI2 CPU Power: Typically ~7.0W

Pics:
Warning: Spoiler! (Click to show)
Auto:



Manual:



So strangely enough HWiNFO is reporting lower average amperage and wattage in manual mode even though my watt reader clearly shows an extra 5W. Keep in mind these are idle readings with the CPU usage typically at 0.2%. HWiNFO, my antivirus, and Samsung Magician are the only things running for these readings. Given that in manual it is drawing an extra 5W at 0.2% usage, and SVI2 reads LOWER amperage than auto, I'm pretty sure there's no auto downvolting going on (P is higher, I is lower, therefore E must be higher). It would be nice to have an accurate current measurement at the socket instead of software readings but this is what I have to work with.

What this means is that if I want to overclock, then my CPU VCore is going to be constantly at 1.40V or 1.45V or whatever, even when I'm not doing anything CPU intensive, which is most of the time...and I leave my rig on 24/7. Which in turn means it makes me not want to overclock at all. I only want it to boost my volts when it needs it. ASUS needs to fix this. @chew* can you do anything about this? wink.gif
Edited by bardacuda - 4/9/17 at 5:58am
post #168 of 873
Your conclusion is not correct with regard to P↑ = I↓ * V↑ There still can some process or thread that is keeping the core boosted into High Performance and thus keeping the cores at their full voltage. You need to see what background process is still spinning in Process Explorer or in Task Manager. If 15 cores out of 16 are idle that will drop the current in the overall system. But if one core is still doing full bore work, even the idle cores will be at full voltage just not drawing much current.

I was going to suggest that not having the core voltage in Auto might force the chip to keep the voltage up in idle, but that idea got shot down earlier in the thread with someone in Manual and the chip still downvolts.

I just haven't been reading very many similar complaints in threads that I lurk on or comment in. I would think there would be a lot more noise about the problem if it was common.
post #169 of 873
How come that process isn't keeping my core boosted in auto then? I did the same test on both. Clean windows install, same programs running during both tests.
post #170 of 873
Same setup here and can't get past 2400 as well on DOCP
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