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[Official] RYZEN 7 1800X | 1700X |1700 Owners Club & 4GHz+ Club - Page 820

post #8191 of 11667
Quote:
Originally Posted by b0uncyfr0 View Post

Jesus, Ryzen still cant run with higher speed RAM? Any indication on how much longer it will take?

Huh of course it can haha. Plenty of people (including myself) are using straps 2933/3200, quite a few more people are doing it (and then some) using bclk overclocking. Me im stuck at 2933 no matter what, 3200 is a no go no matter what. It seems more cpu dependent though then BIOS dependent.
    
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post #8192 of 11667
Quote:
Originally Posted by mus1mus View Post

Then DRAM Voltage. Give it a good 1.45V DRAM VTT 0.75V
For VTT do you mean 2.75? According to my BIOS 2.5 is the default (min 1.24). 1.36v dram and 2.55 VTT let me boot at 3200 cl14 and finish firestrike ultra.
post #8193 of 11667
Quote:
Originally Posted by sakae48 View Post

so.. if we set affinity manually, the CCX issue could be reduced, right?..

It will still do nothing for applications that have inter-thread traffic.

Quote:
Originally Posted by b0uncyfr0 View Post

Jesus, Ryzen still cant run with higher speed RAM? Any indication on how much longer it will take?

Probably May.
post #8194 of 11667
Quote:
Originally Posted by bluej511 View Post

Quote:
Originally Posted by b0uncyfr0 View Post

Jesus, Ryzen still cant run with higher speed RAM? Any indication on how much longer it will take?

Huh of course it can haha. Plenty of people (including myself) are using straps 2933/3200, quite a few more people are doing it (and then some) using bclk overclocking. Me im stuck at 2933 no matter what, 3200 is a no go no matter what. It seems more cpu dependent though then BIOS dependent.

3200 14-14-14-34 1T on my end with 2x8GB sticks, can run 4x8GB at 3200 18-16-16-39 1T.
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post #8195 of 11667
How do we exactly calculate a set of "correct" timings. (regardless if the silicon lottery gave us something fast enough or not)?

So for example, I have 2133 MHZ RAM my original timing is:

11, 12, 12. 30, 48, 1T. the fourth number (tRAS 30), is it an equation of the first three numbers? Then the 48 a further equation of tRAS + something else??

The only decent online "guide" I could find (which was quite extensive) claims that the third number is the sum of the first three. But in the case of the sticks above, it clearly is not.

And just looking at timings on any sticks available shows this isn't the case.

Is there a correct equation, i.e. only certain sequences work?

Surely I could take a mediocre kit (2400) and O/C it to 3000. 'If' i knew how to calculate every timing, "perfectly"?

I mean if you look at some of the G.SKILL kits. Some of the speeds are obsurd, lol.. i mean 4200++ haha.
While other DDR4 will only run at 2400?? I understand binning but margins between silicon can't be that bad?

The timings on that 4200++ kit are also ridiculous. Sure i seen a something in the high 20's.
Is it a scam? Are we all being conned? The 2400 kit with timings of 9 is selling for 60 bux. While the other was selling for 300 bux.

Are we really just paying for an efficient, but "lackluster to mediocre" binning process and "well" programmed timings?

What if a stick was manufactured to only ever be 2400 to meet an order.. and only ever tested at that speed? Or a speed above it. But actually still capable of much faster? Could there be really slow sticks out there that are actually capable of going much, much faster?
Edited by nrpeyton - 4/7/17 at 5:55am
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post #8196 of 11667
How I see it is manufacturer's are going to use the best stuff for higher clocked sets or tighter timings ones. And the lower speed stuff will be the stuff that didn't reach those targets. You may get lucky, but I reckon higher chance you won't.

I had Corsair 2400MHz C14 2x 4GB single sided RAM, Hynix IC. Loosened it to C18 even and pumped 1.35V into it from default 1.2V. Using only 2666MHz strap I'd have random errors in HCI Memtest.

Crucial 2400MHz C16 2x 4GB, which I class as "mediocre" with Micron IC, AFAIK you got no chance of OC.

G.Skill 3200MHz C14 2x 8GB, worked upto 2933MHz on one CPU and another 3200MHz. Not got more out of them yet, which I reckon is CPU IMC limitation on my sample perhaps.

Even The Stilt recently posted in C6H OC thread that all Samsung B Die sticks are not the same, in that the sticks he had from x company were not as good as y.
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post #8197 of 11667
Gskill B-die is usually the best. And there's little variation between the quality of ICs between the different bins from Gskill. I have good 3200C14 kit that's better than some 4266C19 kits. Just need to bin. wink.gif
post #8198 of 11667
Anyone that installed the Ryzen power plan, did you notice if your gpu is not idling down as before? I woke up this morning to higher fans spinning in the gpu, and the clocks were staying elevated mute than usual. My Nitro fury was clocked at 854 with nothing open on the desktop. The only app with cpu usage at the time was defender. I restarted the pc and the clocks settled down for a little while, but idle temps were still elevated. I had to leave for work and did not have time to investigate farther.
post #8199 of 11667
@rt123

No doubt there mate thumb.gif . Really pleased with my set smile.gifand best of all I nabbed on a real crazy price in Feb 17 wink.gif . I posted this deal on HUKD recently, my G.Skill were ~10% more wink.gif .
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post #8200 of 11667
Quote:
Originally Posted by HaykOC View Post

For VTT do you mean 2.75? According to my BIOS 2.5 is the default (min 1.24). 1.36v dram and 2.55 VTT let me boot at 3200 cl14 and finish firestrike ultra.

Haha. My mistake.

The half VDIMM Value. Give it a tiny bump over the half of VDIMM.

@gupsterg

I have some Micron kit here. Dual rank though. I might try them again with Giga's new BIOS.
Edited by mus1mus - 4/7/17 at 6:54am
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