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X470 Taichi memory errors in XMP
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Cuba1hr View Drop Down
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    Posted: 09 Jul 2018 at 1:02am
@ cx5 - thank you so much. I'll have material to play with in next few days or weeks.
I didn't count on new beta to be available "so soon"...so I'll try that next and after play with your settings
There's also announcement of new version DRAM Calculator for AGESA 1.0.0.4 on earlier link so we'll see differences, what will change in recommended settings and compare.
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:

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

Sorry late, was busy working. 

GOOD NEWS, SoC voltage 1.312v is the LAST_KEY, plus dram voltage 1.44v plus VTT 0.72v,  immediately gives me 3200mhz again, bios_uefi_4.7_taichi_x370 really helps !!!!  http://valid.x86.fr/76sqea

BIOS UEFI version 4.7 taichi x370 allows SoC voltage as high as 1.4v then shows red color warning.

When I was on older bios uefi version 3.2 the SoC voltage would show red at 1.2v hence I never used higher than 1.2v.


Timing for Cuba1hr from 3200mhz then 3066mhz finally 2933mhz

3200mhz, now, just happened.


3200mhz lowest timing from my record



3066mhz
see this thread post number 1 under the EDIT section 
http://forum.asrock.com/forum_posts.asp?TID=9035&KW=&title=x370-taichi-ram-self-training-first-time-for-me

2933mhz 
see this thread post number 3 under the EDIT section
http://forum.asrock.com/forum_posts.asp?TID=6089&PID=36229


Edited by cx5 - 30 Jul 2018 at 1:07am
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XmanSE View Drop Down
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No, they are definitely not B-die, thaiphoon says are manufactured by hynix, the closest thing that says to b-die, are 8G M-die XD.

So not all sniper X are b-die, so my 3400 17-17-17-37 are my best free very good error stable setup. Smile

Thanks for the help.
X470 Taichi | Ryzen 9 3900X | 8x2 GSkill Trident Z RGB | Asus Strix RTX 2080ti | Samsung 970 Evo+ | EVGA 750 GQ
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gizmic View Drop Down
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Just run thaiphoon and find out what chips then
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datonyb View Drop Down
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i was led to believe ALL the sniper stuff will be b dies

allthough cl19 seems a bit steep for 3600 even on ryzen
i have cl18 but at 3866 ram sticks and they are 100% b dies

cl14 at 3200/3333 and so it seems at 3466 (allthough it will throw a cold boot issue after 1-2 weeks )
[url=https://valid.x86.fr/jpg250][/url]

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wino View Drop Down
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Originally posted by XmanSE XmanSE wrote:

I enabled the profile, then set the first timings manually 17-17-17-37, i did not change the others, only those.

Thanks for the help
You definitely don't have B-dies, so if your RAM is 3600 C19, then 3400 17-17-17-37 is really good.

As it was already mentioned here and in other threads - if RAM has 3600 or 4000 in XMP, does not mean that Ryzen will accept it ;) Besides your MB supports max. DDR4 3466, so 3600 is just unsupported ;)


Edited by wino - 07 Jul 2018 at 5:30pm
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hehe i know that feeling i cant boot on the settings that dram cal gives me 
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Originally posted by gizmic gizmic wrote:

you should be aiming for lower timings than higher clocks 

which is why you see i'm on 3333 14 

so far sweet spot seems to be 3200 14 for others

Yes i know, but my ram is not as good, because in 3400 cl 16 system won´t boot. The defaul values in xmp for my ram are 3600Cl 19-19-19-39, 1.35v

So i think for my ram, this is the best that i have for now. 


Originally posted by wino wino wrote:

XmanSE, did you set ALL timings manually in BIOS? Leaving them on AUTO may be the cause of errors. Use Ryzen DRAM Calculator.

I enabled the profile, then set the first timings manually 17-17-17-37, i did not change the others, only those.

Thanks for the help
X470 Taichi | Ryzen 9 3900X | 8x2 GSkill Trident Z RGB | Asus Strix RTX 2080ti | Samsung 970 Evo+ | EVGA 750 GQ
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Cuba1hr View Drop Down
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Sorry, I meant 1.1625VBig smile So mad I fried my board, not yet.
I just got beta 4.72 BIOS with AGESA 1.0.0.4 from jzelectronic.de, but I will wait 2-3 days until I try it (set tRFC, 2 & 4 to Auto now, also set ProcODT back to 60 Ohms from Auto in last try)...until next BSOD.
They (ASRock) will probably put unchanged version of beta on ASRock Support BIOS page.

Yeah, DRAM calculator didn't do much for me since last 2-3 versions of BIOS & 2700X.
I didn't have errors in Memtest before these BSODs, AIDA64 memory stress test for hours is also fine, OCCT too.

That's why I am crazy, it's all OK in tests, but after 3-4 days BSOD with Memory Management. I'm boring with this even to myself...
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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SoCV 1.625? Wow ;)


and this is what you should do :)





Edited by wino - 07 Jul 2018 at 5:15am
AB350 Gaming-ITX/ac 10.31 BIOS | Ryzen 5 5600 | G.Skill Flare X 2x8GB @ 3466 14-14-14-28 | Zotac GTX 1050 Ti | Kingston KC3000 1 TB M.2 | SilentiumPC Supremo M2 Gold 550W V2 | Plywood case 24x22x21 cm
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