NEW!!! DRAM Calculator for Ryzen™ 1.6.2 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench) - Page 452 - Overclock.net - An Overclocking Community

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NEW!!! DRAM Calculator for Ryzen™ 1.6.2 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench)

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post #4511 of 6068 (permalink) Old 05-25-2019, 12:54 AM
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Quote: Originally Posted by Ramad View Post
This is the perfect example for why I have been asking members for 1½ years now to use default tRFC timings but to no avail, more than that, to make it even worse a program have been introduced here for RAM testing that tests RAM stability in 15 min.-30 min., which is not enough time for the RAM to heat up and show hidden instabilities.
For RAM stability, we can refer to this thread . . .

https://www.overclock.net/forum/10-a...ty-thread.html

I'm not sure if the author of this program intended the test included as a replacement on the use of other app like TM. But i agree. Those who just came here for help might think that this is it. Thank you for pointing that out.

https://www.overclock.net/forum/27937684-post4314.html

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post #4512 of 6068 (permalink) Old 05-25-2019, 11:05 AM - Thread Starter
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Guys, I need help to complete the development 1.6.0

Required:
Responsible user, knowledge of the languages "C" and "C #", 1-2 evening of free time

Last edited by 1usmus; 05-25-2019 at 11:22 AM.
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post #4513 of 6068 (permalink) Old 05-25-2019, 08:10 PM
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Quote: Originally Posted by Exostenza View Post
I have found that VSOC @ 1.1v and less DRAM voltage works much better. I think all motherboard just default to VSOC at 1.1v when you OC the RAM anyways and it is far from the 1.25v limit so you'll be fine in the long run. Just a thought for you. It also helps if you're OCing your CPU so it just can't hurt.
Thanks for the ideas! I'll definitely try to tinker some more as soon as I get a chance. I'm off this work this week, but will be spending a lot of that time moving. The tRFC = 295 did pass memtest >3000%, so that worked at least. Plus I'd like to try and push for 3533Mhz. Couldn't get that speed to even get through MEMbench without errors the first time I gave it a few shots.
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post #4514 of 6068 (permalink) Old 05-26-2019, 05:40 AM
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Hynrix CJR @ Micron B timings @ 3466Mhz, stable!
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post #4515 of 6068 (permalink) Old 05-26-2019, 07:57 AM
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Hynix CJR 3466 CL 16 DR Stable @1.35V
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post #4516 of 6068 (permalink) Old 05-26-2019, 03:39 PM
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Quote: Originally Posted by BeetleatWar1977 View Post
Hynix CJR 3466 CL 16 DR Stable @1.35V
With GDM off?! What kind of performance/latency are you getting? I have been running the 3200 fast preset albeit with some difference in CAD_BUS at 1.35v/1.0v SoC for a Long time now and getting 65.5ns on Aida with [email protected]
Interested to know if loosening the sub timings that much versus 3200 tight is worth it.
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post #4517 of 6068 (permalink) Old 05-26-2019, 04:17 PM
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Quote: Originally Posted by Unknownm View Post
Hynrix CJR @ Micron B timings @ 3466Mhz, stable!
Nice results that are backed up by 6 hours of prime95. Well done.
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post #4518 of 6068 (permalink) Old 05-27-2019, 01:17 AM
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Quote: Originally Posted by -Grift- View Post
With GDM off?! What kind of performance/latency are you getting? I have been running the 3200 fast preset albeit with some difference in CAD_BUS at 1.35v/1.0v SoC for a Long time now and getting 65.5ns on Aida with [email protected]
Interested to know if loosening the sub timings that much versus 3200 tight is worth it.
around 65
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post #4519 of 6068 (permalink) Old 05-27-2019, 02:37 AM
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Quote: Originally Posted by -Grift- View Post
With GDM off?! What kind of performance/latency are you getting? I have been running the 3200 fast preset albeit with some difference in CAD_BUS at 1.35v/1.0v SoC for a Long time now and getting 65.5ns on Aida with [email protected]
Interested to know if loosening the sub timings that much versus 3200 tight is worth it.
Quote: Originally Posted by BeetleatWar1977 View Post
around 65
From what Ive seen of the CJR dies, they can run cl14. That kind of latency on a 2700x is really not that great, sub 60ns is about where it should be. For comparison, my 1700x runs at 65ns while my 2700x ran at 57ns. IIRC @1usmus did quite a bit of testing with the Hynix CJR dies and was running above 3600mhz @cl14 and I believe it was on that same kit. Even with GDM enabled, achieving cl14 would be worlds better than cl16.

Edit: He was running the 3400c16 kit while you have the 3200c16 kit. He got that particular kit to [email protected] While your particular kit is binned just below the one he used Id say you could still get it to run [email protected] which would still be a massive increase over [email protected] If you sift through some of the older posts of this thread you should be able to dig up the timings and possibly the voltages he was using to get a baseline for the overclock and tweak from there. The latency decrease would grant much better performance than the bandwidth youd lose.

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post #4520 of 6068 (permalink) Old 05-27-2019, 03:01 AM
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Quote: Originally Posted by CJMitsuki View Post
From what Ive seen of the CJR dies, they can run cl14. That kind of latency on a 2700x is really not that great, sub 60ns is about where it should be. For comparison, my 1700x runs at 65ns while my 2700x ran at 57ns. IIRC @1usmus did quite a bit of testing with the Hynix CJR dies and was running above 3600mhz @cl14 and I believe it was on that same kit. Even with GDM enabled, achieving cl14 would be worlds better than cl16.

Edit: He was running the 3400c16 kit while you have the 3200c16 kit. He got that particular kit to [email protected] While your particular kit is binned just below the one he used Id say you could still get it to run [email protected] which would still be a massive increase over [email protected] If you sift through some of the older posts of this thread you should be able to dig up the timings and possibly the voltages he was using to get a baseline for the overclock and tweak from there. The latency decrease would grant much better performance than the bandwidth youd lose.
I will try that later, the Kit got an XMP 3600CL19, but i can boot @3600CL16 but havent found stable settings (could be the board or cpu aswell)
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