NEW!!! DRAM Calculator for Ryzen™ 1.5.1 (overclocking DRAM on AM4) + MEMbench 0.7 (DRAM bench) - Page 450 - Overclock.net - An Overclocking Community

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NEW!!! DRAM Calculator for Ryzen™ 1.5.1 (overclocking DRAM on AM4) + MEMbench 0.7 (DRAM bench)

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post #4491 of 4640 (permalink) Old 05-18-2019, 01:01 AM
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Quote: Originally Posted by thomasck View Post
I can't share the same experience, sadly. The combo of the imc zen 1 + x370 caps us at 3400/3466. However I can't figure out why the vipers were not stable 3200-3466 neither with xmp/calc values and a high range of voltage, 1.35-1.55V. Maybe one of the sticks were faulty.

ATM these Mfr are running at 14 14 15 15 36 56, "I know" tRC (56) should be tRP (15) + tRAS (36) but if done like that gets unstable, I'm lowering bit by bit to see if I get some extra juice from it.

tFAW would be tRRDSx4 or x8 IIRC and so on. I'm researching to see where I can get these sticks, as 3333+ is just impossible for me.



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If you have voltage settings for VDDP try putting that higher, same for DDR VPP, it enabled me to lower my tRAS and tRC much easier when I put VDDP in the 0.990V range from stock 0.900V on my Biostar board and Micron E-die. DDR VPP with a positive +0.105-0.140V did help as well.
Mostly it allowed the system to boot/post when earlier it refused with lower tRAS & tRC values and added stability.

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post #4492 of 4640 (permalink) Old 05-18-2019, 01:59 AM
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Quote: Originally Posted by Nighthog View Post
If you have voltage settings for VDDP try putting that higher, same for DDR VPP, it enabled me to lower my tRAS and tRC much easier when I put VDDP in the 0.990V range from stock 0.900V on my Biostar board and Micron E-die. DDR VPP with a positive +0.105-0.140V did help as well.
Mostly it allowed the system to boot/post when earlier it refused with lower tRAS & tRC values and added stability.
I will double check these values, IIRC I already bumped them, if not, I'll give a try. Thanks for you input, I'll report back!

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post #4493 of 4640 (permalink) Old 05-18-2019, 12:50 PM
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I never knew you could set tWRWRSC/tWRWRSD and tRDRDSD/tRDRDDD to the same value. Everything I've seen always has them varied by 2. 7/7 5/5 or 6/6 4/4 or 5/5 3/3. But then I looked at the preset on the CH7 for 3466MHz and it's set up as 4/4 4/4.
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post #4494 of 4640 (permalink) Old 05-20-2019, 10:10 AM
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Crucial Ballistix Sport LT Micron E-Die (19 nm) @ 3733 MHz CL16 1.4V

https://old.reddit.com/r/Amd/comment...mhz_cas16_14v/

Ryzen 7 1700 - 3.8 GHz @ 1.262 V Asus Prime B350-Plus Noctua NH-D15 • Corsair RM550x Crucial Ballistix Sport LT 3000 CL15 Micron E-Die @ 3400 MHz 16-16-21-19-36-60 @ 1.395 V
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post #4495 of 4640 (permalink) Old 05-20-2019, 12:51 PM
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F*ck it, I ordered a 3000 CL15 pair, should be here in approximately 10 days. Can't wait to test it.

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post #4496 of 4640 (permalink) Old 05-20-2019, 07:43 PM
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Quote: Originally Posted by spyder256 View Post
Why am I getting a "Not supported!" message when I put in the same settings as in your screenshot?
Did you run Typhoon Burner prior to using 1.5?

I had the same happen to me, but once I added the values from TB, the issue rectified itself. I'm thinking maybe you didn't add in the values to 1.5?

~Ceadder

I am really starting to feel my Oats as a long time member of OCN. Why did we go back to this system again?

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post #4497 of 4640 (permalink) Old 05-23-2019, 01:18 AM
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I'm having to redo the overclock on my system after accidentally overwriting the profile I had saved in my BIOS. So far, I've gotten my 2600 to run 4.2GHz at 1.3125v and have just gotten my RAM good with the 3400 Fast presets from the calculator. After getting a chance to read the article on TechPowerUp, should I be selecting B350/X370 for the Topology section since I have an X470 Taichi? I've been using the B450/X470 option thus far.
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post #4498 of 4640 (permalink) Old 05-23-2019, 02:56 AM
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Quote: Originally Posted by zyxwvu4321 View Post
I'm having to redo the overclock on my system after accidentally overwriting the profile I had saved in my BIOS. So far, I've gotten my 2600 to run 4.2GHz at 1.3125v and have just gotten my RAM good with the 3400 Fast presets from the calculator. After getting a chance to read the article on TechPowerUp, should I be selecting B350/X370 for the Topology section since I have an X470 Taichi? I've been using the B450/X470 option thus far.
I'm interested too

I tried X470 obviously, the doubt is on the "dual slot" option (if I'm not wrong) what is intended for (Threadripper?)

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post #4499 of 4640 (permalink) Old 05-23-2019, 03:24 AM
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Couple of questions:

Is there any use to using TM5 v3 config now that there is this new membench 0.7 with the dram calculator 1.5.1? What are the differences in these two tools? Also, why does 1.5.1 have looser trfc values than 1.4.1 when they work(ed) perfectly? What is the reasoning behind that new calculation? For example it now says to put it to 264 on the same configuration when it previously recommended 252 which works just great.

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post #4500 of 4640 (permalink) Old 05-23-2019, 04:48 AM
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these are suggestions, if they work for your combo of cpu/mobo/ram kit stick to the old values

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