NEW!!! DRAM Calculator for Ryzen™ 1.4.1 (overclocking DRAM on AM4) - Page 387 - Overclock.net - An Overclocking Community

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NEW!!! DRAM Calculator for Ryzen™ 1.4.1 (overclocking DRAM on AM4)

 
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Old 01-20-2019, 04:38 AM
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Mike-EEE
 
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Quote: Originally Posted by 1usmus View Post
DRAM Calculator for Ryzen™ 1.4.1
Quick note that 1.4.1 had different timings that seem to be aligned with my board and kit.

It turns out that while I was getting no errors in TM5 I was still getting errors in MemTest when only setting the primary settings.

1.4.1 fixes this. I had to set the primary settings (3200 @ 14-17-14-18-28) and then the "Sub-timing Configuration" in the OC section. The remaining "Turn Around Timing Configuration" was left to Auto and I was able to run MemTest with zero errors with the vDRAM set to 1.7.

(Posting images of these two sections in MSI BIOS configuration for those who are not aware of what values are in each of these sections and also to show what the Auto values are for the chips that I have)

Oh, and the RC was 42 and RFC was 419.2. 420 as suggested in 1.4.1 release notes seemed to do the trick.

However, I am still confused on something here after nearly two weeks of working with this board that isn't mentioned anywhere in the calculator or here on the forum that I can see.

The only way that I could get this board to POST was to set RTT_PARK to Disabled. Further, setting it to 43.3 was the best value to reduce errors that I could see.

I haven't seen anything regarding disabling RTT_PARK (only NOM) so I am wondering if there is something wrong with the board and/or if I should report it to MSI. I wanted to get confirmation here first before doing so.

My motivation for doing this is that these chips are QVL for the board and rated 3300 but I cannot get this board to POST over 3200 it seems no matter what I do. This also leads me to believe there might be an issue with the board to report to MSI to see what is up.

Thanks in advance for any assistance/context/clarification you can lend and again for all your great work here!
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Memory: HX433C16PB3K4/64 @ 3000 14-16-14-17-28 1.3v / CPU: 2700x Ryzen @ 4.275 1.375v & 1.025 vSoC / Motherboard: msi x470 Gaming Pro / Power Supply: 650w Snow Silent / HDs: 250gb Samsung 970, 500gb Samsung 970, 4x 500gb 850 Samsung EVO (1tb mirror RAID).
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Old 01-20-2019, 05:16 AM
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@1usmus

I read your comment about tWR<12 and I was wondering if I should increase any of my timings to reach more performance. Any advice here?
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Last edited by brenopapito; 01-20-2019 at 05:21 AM.
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Old 01-20-2019, 10:07 AM
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Does the 1.4.1 support latest AGESA 1.0.0.6 for ryzen 2xxx? I have MSI Tomahawk B450, Ryzen 2600 and KINGSTON 2x8GB HyperX Samsung-B chips 3600MHz. With the previous bios, which contained older agesa 1.0.0.4C, I was running 3400 CL14 FAST with no problems. Now, with the new BIOS (1.0.0.6), I cannot get it to run stable on 3400 CL14.

Obviously, the latest BIOS changes something and now its actually less stable then before.

Last edited by walkeer_cz; 01-20-2019 at 10:41 AM.
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Old 01-20-2019, 12:03 PM
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Quote: Originally Posted by 1usmus View Post
I spent 5 hours yesterday to get a stable 3400 ... there are always single errors that are not related to timings but with signaling the line

surely trfc 252 is a miracle when we use trc 42
I also checked these options

14 14 14 30 44 trfc 264 (6xtRC)
14 14 14 30 44 trfc 352 (8xtRC)
14 14 14 28 42 trfc 336 (8xtRC)

they showed identical results (several errors)

the only chance is to find a suitable CAD_BUS...(range 20-24)

Things you should know:

* spread spectrum does not affect the result that can be obtained at this frequency and the AM4 motherboard
* RTT_NOM , another stable option RZQ / 3
* RRDS 6 RRDL 8 FAW 34 did not affect the stability (+2kb page size)
* tWR < 12 data loss
Yeah I spent most of yesterday messing around more trying to get something working. It's strange that our systems are not comparable where 60ohm ProcODT does not boot for me at all while it does for you, maybe our DR B-Die kits are very different in some way. My testing found that 24-24-20-20 CAD-BUS gave me the best results but I still get a lot of errors, usually around 4-5 errors once I get to test 9 & 13 in TM5.

I have been running my system with this for a day or so now and I haven't experienced any crashing but I am unsure of what the errors given in testing may be causing without my knowledge. I have also found that CLDO_VDDP at 866 may have helped a bit but setting any VDDP voltage manually makes me get errors like crazy so leaving at Auto was best for me (with BIOS 1201 AGESA 1.0.0.6 on C7H WIFI)

This runs test 13 gave the most errors. I will increase tWR to 12 but maybe this will not help testing, only potential data loss?


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Last edited by chakku; 01-20-2019 at 12:16 PM.
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Old 01-20-2019, 01:17 PM
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Quote: Originally Posted by chakku View Post
Yeah I spent most of yesterday messing around more trying to get something working. It's strange that our systems are not comparable where 60ohm ProcODT does not boot for me at all while it does for you, maybe our DR B-Die kits are very different in some way. My testing found that 24-24-20-20 CAD-BUS gave me the best results but I still get a lot of errors, usually around 4-5 errors once I get to test 9 & 13 in TM5.

I have been running my system with this for a day or so now and I haven't experienced any crashing but I am unsure of what the errors given in testing may be causing without my knowledge. I have also found that CLDO_VDDP at 866 may have helped a bit but setting any VDDP voltage manually makes me get errors like crazy so leaving at Auto was best for me (with BIOS 1201 AGESA 1.0.0.6 on C7H WIFI)

This runs test 13 gave the most errors. I will increase tWR to 12 but maybe this will not help testing, only potential data loss?




what is your RAM voltage? and you should try with VDDCR_Soc between 1.05 to 1.1 volts

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Old 01-20-2019, 01:24 PM
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Quote: Originally Posted by christoph View Post
what is your RAM voltage? and you should try with VDDCR_Soc between 1.05 to 1.1 volts
DRAM voltage is 1.41V, any higher or lower leads to more instability, likely due to the sticks heating up faster. SoC I haven't pushed above 1.0325V as that's the maximum recommended in the calculator, I use 0.9875V for 3333C14 and am a bit hesistant to push it higher, especially since it is currently summer here and gets very hot (35C in my room yesterday).

PC
(19 items)
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AMD Ryzen R7 2700X
Motherboard
ASUS ROG Crosshair VII Hero (Wi-Fi)
GPU
ASUS ROG Strix GTX 1080 Ti OC
RAM
G.Skill Ripjaws V F4-3200C14D-32GVK
Hard Drive
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Hard Drive
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EVGA SuperNOVA 850 P2
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Old 01-20-2019, 04:18 PM
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Quote: Originally Posted by filippoukon View Post
my personal best
Which kit do you have? And what DRAM voltage are you using for that setup? Also, which mobo?

AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz @ 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case |
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Old 01-20-2019, 05:29 PM
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Quote: Originally Posted by chakku View Post
DRAM voltage is 1.41V, any higher or lower leads to more instability, likely due to the sticks heating up faster. SoC I haven't pushed above 1.0325V as that's the maximum recommended in the calculator, I use 0.9875V for 3333C14 and am a bit hesistant to push it higher, especially since it is currently summer here and gets very hot (35C in my room yesterday).

yeah but the calculator does not even work for me, and for the asrock mobos with high speed ram they push 1.1v on the Soc as default

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Old 01-21-2019, 12:43 PM
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prastis
 
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Hey all,


I have built a new brand pc with 2700x, ASUS Rogue Strix X470-I, Viper 4 DDR4 3400 16-18-18-36 and although I have managed to apply the XMP settings without any issues, I was unable to reduce timings by any margin.



Actually I am not sure if I am doing the whole procedure properly. I have downloaded the calculator and although I have chosen Samsung D/E Dye for my memory (I know is not B type as the clocks aren't identical) all the settings i have put into my bios have caused my pc not boot to windows.



I have tried fast settings for D/E types @3400 speed while increasing voltage but I was unable to boot on windows. Essentially, the PC would restart 2-3 times and then tell me memory failed and that it reseted and I had to press F1 to get to bios.


Does anyone know for certain what type of memory is Viper 4 DDR4 3400 ? Is it a D/E Type? Some people say its B which I guess its not. Is it Hynix?


Also from looking for some explanation videos, some people say leave everything on auto and just play with the 4 timing, essentially try and reduce 1st and 3rd value by 1, increase voltage by a bit and check stability. If it works, you lower 2nd value and check for stability etc and so forth until you get stability and reach a safe voltage value.


To be honest this not booting issue has caused me a bit of anxiety as I am not really familiar with memory overclocking but I would like to extract every little bit I can from my system as I know that my cpu benefits from fast memory.


Thank you in advance.


George
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Old 01-21-2019, 01:07 PM
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Leiker
 
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Hi. My memorie type dont appear in dram calculador. Can you help me , please?.
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