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X470 Taichi memory errors in XMP
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XmanSE View Drop Down
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Points: 51 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XmanSE Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jul 2018 at 4:53pm
Originally posted by gizmic gizmic wrote:

you can leave the sub timings alone for now and let the uefi fill it in for you assuming its a 3600 kit high chance its a b-die so basically you can set the same timings as mine and volts and work your way up on the volts to 1.4v 

if that doesn't solve your problem then set to CL 15 @1.35v and repeat work your way up to 1.4. if you are still crashing without errors on stress test the problem maybe somewhere else.

as for beta bios yes i'm using 1.35a dont notice any difference coming from 1.2 

and your last question on buying other 3200 assuming you buy good ones you'll end up with the same b-die ram with same characteristics in timings only difference is the volts and the default xmp. 

Ok, i did some test with the timings, and this was the result

Profile enable, change the memory speed to 3200, voltage always in 1.350

I set at 3200 Cl 15-15-15-36, give me errors in hci memtest, then set to 3200 cl 16-16-16-37 and again errors.

Finally 3200 Cl 17-17-17-38, 0 errors in memtest 300%, no bsods, everything is fine.

A little improve that 19-19-19 at 3200. Smile

Thanks for the help
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you can leave the sub timings alone for now and let the uefi fill it in for you assuming its a 3600 kit high chance its a b-die so basically you can set the same timings as mine and volts and work your way up on the volts to 1.4v 

if that doesn't solve your problem then set to CL 15 @1.35v and repeat work your way up to 1.4. if you are still crashing without errors on stress test the problem maybe somewhere else.

as for beta bios yes i'm using 1.35a dont notice any difference coming from 1.2 

and your last question on buying other 3200 assuming you buy good ones you'll end up with the same b-die ram with same characteristics in timings only difference is the volts and the default xmp. 

sup @cx5 852 

@cuba1hr i dont believe in overclocking kills hardware or shortens the life because my previous system is a 1055T @ 4ghz running on 2000mhz ddr3 ram running for 9 years with occational upgrades and no broken oc components
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Points: 51 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XmanSE Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jul 2018 at 7:23am
Originally posted by gizmic gizmic wrote:

better to start in 3200 and work on the timings manually
my current settings are 14-14-14-34 1.35v @ 3200

I've never depend on xmp settings because no matter how good the profile is auto settings is always a relaxed settings same goes for CPU settings

I set manually at 3200 but there is a lot of timings in bios to fill. So i am very confused, and i not what to do, sell this ones and buy others at 3200.

:-(.

There is a beta bios for taichi 1.35a, could this beta bios help with the xmp, and it´s safe to update to a beta bios?





Edited by XmanSE - 04 Jul 2018 at 7:28am
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I feel like thread hijacker now. I forgot to write earlier - SoC was also at 1.1625V but I see you have similar memory like I do. I have 2 single 16GB sticks, not the kit, but I guess they are same. CPU is different and I am on beta BIOS because of PB2.

Cx5, do you have a screenshot you could post of all memory settings that work at 2933 on UEFI 4.70...or 4.64?
Thanks
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Originally posted by gizmic gizmic wrote:

hehehe i know that feeling but yeah dual rank puts more work on the IMC thus may require more volts 


i say keep the 32 kit and keep trying until you find the best settings volt/timing/freq

Yeah, I agree with gizmic, keep the 32GB, and I run SOC 1.15V now, much easier to overclock dual rank ram. 

@gizmic, I'm from HK too, nice to meet you.
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OK, thanks, will try that once more as the last resort. I know that DDR4 should handle at least up to 1.45V, but I wasn't comfortable pushing it further (than 1.4V) and how it will affect RAM's longevity.

In addition - all programs using sensor readings for DDR voltage are always 0.02V higher than what is set in BIOS, i.e. set to 1.38 in BIOS/UEFI, shown 1.40V in AIDA64, HWInfo, CPUID, etc.
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hehehe i know that feeling but yeah dual rank puts more work on the IMC thus may require more volts 


i say keep the 32 kit and keep trying until you find the best settings volt/timing/freq
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The problem is that Aida64 - only memory stress checked - runs without error for hours. It crashes with tighter timings after a few minutes but with 16-18-18-36-52 I think and 1,38V it runs with no problem.

I am in dilemma, to sell my 32GB (for VMs and games, futureproof, but it isn't presentproof:)) and buy only 16GB Flare X and add some money
OR wait for new BIOS...that got stuck somewhere.
ASRock Taichi X370 UEFI v4.81; AMD Ryzen R7 2700X; Noctua NH-U12S x2 fans; Corsair Vengenace LPX 3000 2x16GB (CMK16GX4M1B3000C15); EVGA GeForce GTX1070 FTW; Corsair RM750i PSU
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Originally posted by Cuba1hr Cuba1hr wrote:

Here I am again with my problem. You have better memory...and the board I guess  with better support, if not at the moment - soon (TM).

I have X370 Taichi and even Memtest passed in recent tests - without errors on 2933 (default 4 passes) but get  Memory Management BSODs in windows after day, two or three - unbelievable.
I don't get it, how it passes MemTest and after it crashes.

No matter what, it only works fine at 2133 for now:(
I think I was right when I wrote no new bios during the world cup:) Over 2 months old beta.

OT - Feel sorry for Japan right now...another unbelievable thing.


memtest is good to see if there are hardware errors (broken bank)
otherwise its useless for stability tests
aida64 has stability test for ram, and its waaay faster to get some results then from memtest (for example several hours of memtest produce 1 random error, wile stress test crashes after max 2 minutes :P)

userbenchmark
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better to start in 3200 and work on the timings manually
my current settings are 14-14-14-34 1.35v @ 3200

I've never depend on xmp settings because no matter how good the profile is auto settings is always a relaxed settings same goes for CPU settings
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