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[Official] RYZEN 7 1800X | 1700X |1700 Owners Club & 4GHz+ Club - Page 481

post #4801 of 11701
Quote:
Originally Posted by lightofhonor View Post

Some people can't post above 2133/2400.

Ryzen won't support even 3200 until May.

Most BIOS have major issues.

Pick an answer? Lol

So true, many people seem to struggle to hit 3200mhz at the moments. Guess BIOS updates will fix it. Only boards I know of that seem to do it well are the AsRock ones.
post #4802 of 11701
Quote:
Originally Posted by LesPaulLover View Post

Tiny Tom Logan from OC3D stated in one of his videos that 1.20v is the ABSOLUTE MAXIMUM you want you SOC voltage to be and then STRONGLY recommended not exceeding 1.15v.

In fact I believe it was in his CH6 Mobo review!
He probably got that from Asus. Elmor from Asus recommended not exceeding 1.2 but up to that would be fine.

As I understand it, C6H boards weren't bricking because they had SOC set to high(at least up to 1.2) but there was something in the bios that had SOC scale with other voltage and it would spike to dangerous voltage. I think Asus was careful about how they described the issue to us... For obvious reasons.
post #4803 of 11701
Quote:
Originally Posted by gupsterg View Post

@mus1mus

"Steady as she goes" wink.gif .

My current 3.8GHz 2400MHz UEFI settings changes from defaults.

Warning: Spoiler! (Click to show)










CPU: 3.8GHz ACB = 18.75% OC
DF: 1200MHz = 12.5% OC
RAM: 2400MHz 14-14-14-31 @ 1T (stock for dimms)

DMM readings VCORE: ~1.344V, SOC: 0.944V, VDIMM: ~1.22V, VDDP: ~0.920V, 1.8 PLL: ~1.870V, SB: ~1.063V

System been on for ~30hrs continuous. These tweak settings ~10hrs f@h stable, gonna go for perhaps 18hrs+ then Y-Cruncher lengthy time wink.gif .

Why do you have you bclk set manually if it's just default? Also, What's up with global c-state setting?
post #4804 of 11701
Quote:
Originally Posted by yetta View Post

So true, many people seem to struggle to hit 3200mhz at the moments. Guess BIOS updates will fix it. Only boards I know of that seem to do it well are the AsRock ones.

Lots of people hitting 3200 on the ch6 after the latest beta bios. Elmor has a 1t and 2t for testing out. Bunch of people have gone to 3200 on it. I'm trying mine tomorrow and should be able to hit 3200 using xmpor manual timing.
    
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post #4805 of 11701
Quote:
Originally Posted by kundica View Post

Why do you have you bclk set manually if it's just default? Also, What's up with global c-state setting?

When I pick D.O.C.P 3 BCLK setting changes as shown as per "auto rules" of UEFI wink.gif , as the setting was no issue to me I did not change it back.

Below slide shows example for fixed frequency testing.





As I didn't know if by "auto rules" the UEFI disables it and I want C-States I enabled it.

I do not know what is right, I use my past experience of bios options / what we can find on web for platform and then experience with it, may that be our own or others to do "stuff" wink.gif .
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post #4806 of 11701
Quote:
Originally Posted by gupsterg View Post

When I pick D.O.C.P 3 BCLK setting changes as shown as per "auto rules" of UEFI wink.gif , as the setting was no issue to me I did not change it back.

Below slide shows example for fixed frequency testing.





As I didn't know if by "auto rules" the UEFI disables it and I want C-States I enabled it.

I do not know what is right, I use my past experience of bios options / what we can find on web for platform and then experience with it, may that be our own or others to do "stuff" wink.gif .
Ah. Thanks for the clarification!
post #4807 of 11701
Quote:
Originally Posted by Scotty99 View Post

So guys cpu-z says my ram is single rank, here is the asrock manual on where to install memory to, would like some advice where i should put mine:
http://www.asrock.com/mb/AMD/X370%20Killer%20SLIac/index.us.asp#Specification

I have no idea if i should put them in a1+b1 or a2+b2 lol.

Also here is my ram, i was told it wasnt single rank but cpu-z says it is:
https://www.newegg.com/Product/Product.aspx?Item=N82E16820231941

preciate it

The Gskil 8GB sticks should all be single Rank sticks.

 

You should be installing them in A2 + B2

post #4808 of 11701
Quote:
Originally Posted by gupsterg View Post
 
Quote:
Originally Posted by bardacuda View Post

I'm confused....is a high RAM clock actually dangerous for your motherboard's components somehow?
Quote:
Originally Posted by GreedyMuffin View Post

Nope, but high voltage might be needed to acquire high mem OC. That is what the dangerous part. :-)
Quote:
Originally Posted by bardacuda View Post

But if the kit itself is rated for high clocks...wouldn't it only need its stock voltage, which itself should be some standard, safe, motherboard-friendly number like 1.35?

What happens is RAM clock dictates "Data Fabric" clock, so if your at:-

RAM 2133MHz, DF is ~1066MHz
RAM 2400MHz, DF is ~1200MHz
RAM 2666MHz, DF is ~1333MHz
RAM 3000MHz, DF is ~1500MHz
RAM 3200MHz, DF is ~1600MHz

See info in my op my thread RAM Info / Data Fabric (DFICLK) and Uncore/Cache Info, so when pushing RAM speed as IMC/DF is working harder you need more SOC/VCORE, etc. IMO expatiated as we're going like "all core boost" scenarios. For example R7 1700 stock ACB is 3.2GHz, 3.8GHz ACB is like 18.75% OC.

 

Actually the ram frequency is half of what your kit says because it is double data rate memory. GPU-z Actually reports the actual frequency on the page that shows the timings

 

If the Ram is double data rate so 3200Mhz ram is actually running at 1600Mhz if you put it on an oscilloscope and the DF would be at 800Mhz

post #4809 of 11701
mine new record. smile.gif
all stable.


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post #4810 of 11701
Quote:
Originally Posted by gtbtk View Post

Actually the ram frequency is half of what your kit says because it is double data rate memory. GPU-z Actually reports the actual frequency on the page that shows the timings

If the Ram is double data rate so 3200Mhz ram is actually running at 1600Mhz if you put it on an oscilloscope and the DF would be at 800Mhz
Warning: Spoiler! (Click to show)
Quote:
The data fabric

The northbridge of Zeppelin is officially called as the data fabric (DF). The DF frequency is always linked to the operating frequency of the memory controller with a ratio of 1:2 (e.g. DDR4-2667 MEMCLK = 1333MHz DFICLK). This means that the memory speed will directly affect the data fabric performance as well. In some cases, it may appear that the performance of Zeppelin scales extremely well with the increased memory speed, however that is necessarily not the case.

In many of these cases the abnormally good scaling is caused by the higher data fabric clock (DFICLK) resulting from the higher memory speed, rather than the increased performance of the memory itself.

Quote from The Stilt.
Quote:
In your example (CPU-Z), the CPU + L1/L2/L3 operated at ~4055MHz, while the actual data fabric operated at 1800MHz.

L1/L2/L3 = CPU frequency.
Data fabric, memory controller = MEMCLK (effective) / 2.

Quote link.
Quote:
There is no "uncore" in Ryzen. CCX essentially operates at it's own (core speed) and the fabrics and the memory controller at half the effective MEMCLK speed.
Uncore is just the term used by CPU-Z for data fabric (DFICLK).

Quote link.
Quote:
Originally Posted by kundica View Post

Ah. Thanks for the clarification!

No worries smile.gif .

Once I get to know more of UEFI options / how "Auto rules" work, when something is changed, I will be setting all manually as required.

For example I went 2400MHz with my 3.8GHz OC profile and SOC: [Auto] resulted in ~1.050V , where as 2133MHz SOC: [Auto] resulted in ~0.838V on DMM. As 2400MHz seems is not broken or within official RAM support for say 2x4GB SS RAM I have kept it SOC: 0.925V ~0.944V on DMM. SO far so good, plan to lower some more.

So I'm ready on experience for when my other RAM is back wink.gif .
Edited by gupsterg - 3/19/17 at 10:05am
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