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If your a Linux user you can't use the solution.

Another issue with this solution is a lot of the AM4 motherboards use ITE IT8655E Super IO chip, this embedded controller can exhibit erratic...

Just wanted to share this ZIP, order files by time, ~49hrs back to back mixed testing of 3800C16@1.35V.

I have used several kits of G.Skill, all Samsung B die, bins 3200C14, 3600C15, 4000C18. None...

No problem :) , here is link.

Another option is Micron E based dimms, I recently bought BLS2K16G4D32AESB. These have tightened up giving this AIDA64 results, stability testing in this ZIP.

RAM Kit: BLS2K16G4D32AESB

DRAM CAS# Latency [16]
DRAM RAS# to CAS# Read Delay [19]
DRAM RAS# to CAS# Write Delay [19]
DRAM RAS# PRE Time [17]
DRAM RAS# ACT Time [43]
Trc [60]
TrrdL [9]
Tfaw...

Some timings I've used so far on the Micron E 2x16GB, link.

I managed to get SOC down to 1.025V as well, in this ZIP is most recent testing, 3x AIDA64 link.

Previously on 4x8GB (single...

3800C16@1.35V with Micron E die 2x16GB 3200C16 bin

~9hrs Kahru RAM Test
~10hrs HCI v6.0
~4hrs Y-Cruncher

so far ~23.5hrs continuous uptime testing for that profile.

Wrapped up testing last night of 3800C16@1.36V at ~24hrs uptime, set 1.355V and had this result this morning, link

Since installing the kit on the 7th of Feb the rig has had no down time, am...

An updated ZIP, organise files by time. On Micron E die 3800MHz Phase 1 mixed testing of ~48hrs continuous uptime, Phase 2 I have lowered VDIMM to set value of 1.36V, from past experience with board...

An updated ZIP for Micron E die 3800MHz mixed testing of ~31hrs continuous uptime, organise files by time.

Filenames at beginning have:-


Setup means test on POST when profile setup in UEFI....

I am now balled over with the price/performance of Micron E die :cool: ...

First this screenie, left to right:-


3x AIDA64 for usual timings I use on Samsung B die
3x AIDA64 for current...

This post on OCN contains some fin area info of Bykski A-Ryzen-ThV2-X, EK Supremacy Evo in this post.

Now for some Ballistix action :) ...

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R9 3900X (Batch Code: BF 1944SUT)
C7HWIFI...

Sirshillbucks I'd agree with Baio73, check any SW you have running in the background.

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Also make sure on Advanced page of UEFI, AMD CBS > CPU Common Options > Global C-States Control set...

Found this interesting video in a thread on deliding without heating CPU. Temperature reduction stated by poster doesn't match what I've seen in der8auer's videos on delid, but the poster has gone...

This post by The Stilt is useful to see what the SMU (FIT) determines as safe voltage for a Zen2 CPU under high loads.





NP :) .

It could well be some are pushing too hard, but dunno....

NP :) .

I wouldn't RMA just as you're CPU doesn't do FCLK 1900MHz, you could end up with slightly worse CPU on aspects I have noted between mine.

All the R9 3900X I have, are same production...

My 2nd/3rd samples of R9 3900X I have dubbed MHz Editions :cool: .

These responds to PBO [Enabled] better than FCLK Edition not yet tried +xxxMHz . It also seems the cores are more similar so...

83446

The triple showdown has begun :) ...

All CPUs are batch BF 1944SUT, all have UG stamped on IHS ...

As I felt the first had been tested enough for 3800MHz 1:1:1, I moved on to the...

Gotta find the time to update OP, just been so snowed.

On another forum some one had wondered about the new effective clocks in HWINFO, see this post by author.

Also there seems to be a new...

NP, glad you found it useful :) .

R9 3900X (Batch code: BF 1944SUT)
ASUS ROG Crosshair VII Hero Wifi using UEFI 0002 (beta) AGESA 1.0.0.4B
F4-3200C14Q-32GVK

UEFI is all defaults except :-
...

So I now have a R9 3900X as well :) and this is a FCLK Clock Edition :cool: .

Initially I set 3800MHz 1:1:1 (FCLK:UCLK:MEMCLK) on the R9 3900X as I would on the R5 3600.

ProcODT 43.6,
VDIMM...

Ahh, no problem.

Ok fellow ROG'ers :) . My launch purchased R5 3600 has been doing 3800MHz C16 on 4 dimms for fair while, only change I have noted is with UEFI 2901 I could lower VDIMM to 1.35V vs...

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Sorry I have no solution to share on this, I just thought I'd give you the information.



Others have had this issue, link. No idea on solution.

I have used 1950X & 2920X with ZEA...

I wouldn't run 2 or more differing RGB software on Zenith Extreme and Zenith Extreme Alpha. The software can clash with one another, also the Super IO chip can have issues with software which...

I do not think there is anything wrong with your system.

Mine is water cooled, room ambient is ~21.1C. See the blue box in below UEFI screen shots of my system.

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Now see when in OS.
...