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  Topic Review (Newest First)
06-05-2020 07:28 AM
PiotrMKG Hello Guys,

So after my 5th gen Intel CPU decided to die and 15 years since I had AMD CPU, I got this board with 3700X, and GSKILL 3600 16-16-16-36 kit. Where do I start maximising performance? I would like to tighten memory timings as well. I tried Dram calculator's settings but it failed - MB run into memory training loop or something like that. Also what value do I need to enter in this section "Addional Calculators tab - input Freq and tRFC in ns to get tRFC1, tRFC2 and tRFC4 values (if you having trouble make sure not to be using XMP in BIOS)" from XMP profile or from first page? (need to convert from T to ns), also in TRRDS I cannot enter "3" lowest possible value is "4".

I have custom WC, and CPU has it's own 480 radiator, so I think it should keep CPU's temp in check.
06-04-2020 03:06 PM
Yuke Hey,

is there any downside to setting the PWM phases to "extreme performance"?

I get better chipset temperatures when i set it to the highest value...power consumption seems to be the same...
06-04-2020 08:37 AM
Andi64
Quote: Originally Posted by zacreth View Post
i thought we had to keep the frequency as the what the memory stick actually are. So in my case since they were 3600MHZ ram that's what you're suppose to do in the Calculator.... no?

Hinyx CJR won't do much better timings than 16-18-16-18 I think, but it can do 3800-4000Mhz. You should stick to 1:1:1 frequency so, the limit will be around DDR4-3800. Give it a try, stick to DRAM Calculator timings, the 3600Mhz preset, and try 3733Mhz and then 3800Mhz. If you are lucky your CPU will do 1900Mhz FCLK and you'll get a little boost in performance. If you are not, it will most probably do 1866Mhz with DDR4-3733 and you should see 66.5-67.5ns latency depending on your timings.

Remember to force 1:1 relation with your RAM and force 1900 or 1866Mhz to the Infinity Fabric to keep every frequency in sync.
06-04-2020 03:31 AM
Tsk_Force
Quote: Originally Posted by Tsk_Force View Post
Hello guys

I used the xmp profile for a couple of days(Gskill 4266 cl19 Samsung b-die single rank 2x8gb) , today the pc did not boot by locking on error 15. it probably does not digest something of the xmp profile of these RAMs. as suggested I went to 3733, after 48 minutes of memtest no error.

I used these parameters to get started (as suggested by the guys in the owners' topik)

Vddp voltage control manual

vddp voltage control 920

System Memory multiplier 37.33

-Standard timing control

Cas latency 16

tRCDRD 16

tRCDWR 16

tRP 16

tRAS 32

tRC 48

ProcODT 43.6 ohm

DRAM voltage 1.38V

Infinity fabric frequency and dividers 1867mHz


do you have any other parameter to suggest me? or some other test method? do you see any wrong parameter? I hope I won't run into bootloop anymore


Inviato dal mio HD1903 utilizzando Tapatalk
Hello guys



same error, the pc this morning went into bootloop until the BIOS was reset. these are the parameters I used, any suggestions?

Inviato dal mio HD1903 utilizzando Tapatalk
06-03-2020 02:52 PM
zacreth Thanks for the answers and the links. I'm going through the links now and trying things out to see what I can get.

Quote: Originally Posted by RaXelliX View Post
14 is too extreme for Hynix RAM. Not even sure why the calculator is suggesting it. 14 is so extreme in fact that it likely won't do that at 3200Mhz. Let alone at something higher.

That's GDM at work. GDM sets primaries to even numbers. 15 becomes 16 and so on. But GDM does add a lot of stability so unless you really want to run uneven timings better to leave it on. GDM = Gear Down Mode.

That is an improvement. Ideal would be around 67.

Only Samsung B-Die kits can do around 65. Perhaps 64 but not much lower.

Generally yes when it comes to timings lower=better.
Some guides:
https://github.com/integralfx/MemTes...0OC%20Guide.md
https://www.techpowerup.com/review/a...locking-guide/

I believe the BIOS misreads this value. Like i said eralier i can't even boot under 525. So it must be incorrect. Only Samsung B-Die kits can do such a low tRFC.

Those higher values maybe more for stability and not speed.
06-03-2020 02:50 PM
zacreth
Quote: Originally Posted by Andi64 View Post
Hey zacreth, I have the same kit but with worse latencies, the 18-22-22-22 version. But my kit actually did 16-19-16-19 at 3733Mhz 12hs stable. I just applied the Fast preset with 3600Mhz settings from DRAM calculator at it worked. Then started to raise the frequency until 3800Mhz witch wasn't stable so I dial down to 3733mhz.

It was 2 memtest86 passes stable. It worked for 6 months... but a DIMM died
All voltages were stock, with F12a BIOS.

Latency in AIDA64 was 67ns.
i thought we had to keep the frequency as the what the memory stick actually are. So in my case since they were 3600MHZ ram that's what you're suppose to do in the Calculator.... no?
06-03-2020 12:35 PM
Tsk_Force Hello guys

I used the xmp profile for a couple of days(Gskill 4266 cl19 Samsung b-die single rank 2x8gb) , today the pc did not boot by locking on error 15. it probably does not digest something of the xmp profile of these RAMs. as suggested I went to 3733, after 48 minutes of memtest no error.

I used these parameters to get started (as suggested by the guys in the owners' topik)

Vddp voltage control manual

vddp voltage control 920

System Memory multiplier 37.33

-Standard timing control

Cas latency 16

tRCDRD 16

tRCDWR 16

tRP 16

tRAS 32

tRC 48

ProcODT 43.6 ohm

DRAM voltage 1.38V

Infinity fabric frequency and dividers 1867mHz


do you have any other parameter to suggest me? or some other test method? do you see any wrong parameter? I hope I won't run into bootloop anymore


Inviato dal mio HD1903 utilizzando Tapatalk
06-03-2020 07:59 AM
d3v0 wondering about using ryzen master. During non-gaming, single cores boost over 4500, but during gaming I get single cores only up 4400. havent tried an all core overclock but im not really interested in doing that bc of the massive volts needed just to get all cores to 4400 which isnt worth it.
06-03-2020 01:39 AM
Medizinmann
Quote: Originally Posted by zacreth View Post
I didn't do all the LLC like the PLL voltage so I'll go and try that today.
Yeah you should do it. And it's is very intresting how LLC curve adds to stability!

Quote:
But the complete report was exported from Thaiphoon and imported in the newest calculator.


Quote:
What's a limit for voltage for RAM? I know the design was for 1.35V so I don't want to kill it due to voltage. I thought 1.4-1.42 is pushing the ram.

I'll recheck Dram Calc and get all the voltage settings and try that and put in the suggested numbers for the first 6 first and see if it will boot. 16-19-19-19-39 into 14-17-x-x-x suggested and see if it boots.

Thanks!
The official limit for XMP is AFAIK up to 1,5V - and that is what's considered save for long term use...but there are sticks out there with a profile up to 1,65V - at Voltages 1,4+ you should add extra cooling though...

Youtuber der8auer made a Video about RAM OC with XMP on Ryzen 3000 and also talked about Voltage(Starts 3:16)…

Best regards,
Medizinmann
06-02-2020 11:56 PM
RaXelliX
Quote: Originally Posted by zacreth View Post
I can't set tCL to 14 it will boot cycle
14 is too extreme for Hynix RAM. Not even sure why the calculator is suggesting it. 14 is so extreme in fact that it likely won't do that at 3200Mhz. Let alone at something higher.
Quote: Originally Posted by zacreth View Post
but if I set it for 15 it boots but the MEMtest in Dram Calc shows up as 16 and not the 15 that's set in the BIOs.
That's GDM at work. GDM sets primaries to even numbers. 15 becomes 16 and so on. But GDM does add a lot of stability so unless you really want to run uneven timings better to leave it on. GDM = Gear Down Mode.
Quote: Originally Posted by zacreth View Post
I only have a latency better of 3ns... down to 69.9 which isn't that great.
That is an improvement. Ideal would be around 67.
Quote: Originally Posted by zacreth View Post
Shouldn't if all the settings from Dram Calc usually get people to low 60's in latency?
Only Samsung B-Die kits can do around 65. Perhaps 64 but not much lower.
Quote: Originally Posted by zacreth View Post
Lastly, there's settings in BIOs when I change things manually. Is a lower number better than a higher number?
Generally yes when it comes to timings lower=better.
Some guides:
https://github.com/integralfx/MemTes...0OC%20Guide.md
https://www.techpowerup.com/review/a...locking-guide/
Quote: Originally Posted by zacreth View Post
The suggested tRFC in the BIO is 312 but I'm manually setting it to be 471....?
I believe the BIOS misreads this value. Like i said eralier i can't even boot under 525. So it must be incorrect. Only Samsung B-Die kits can do such a low tRFC.
Quote: Originally Posted by zacreth View Post
There's a lot of settings where I'm setting a higher number and there's only like 4 settings that I'm setting that is lower...
Those higher values maybe more for stability and not speed.
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