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DDR4 3200mhz RAM and RYZEN


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#1 D_A_R_K_Knight

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Posted 30 December 2017 - 12:05 AM

Picked up my parts for this new PC (see my other post for a full parts listing), first time building, and I am having trouble getting the RAM to run at the 3200mhz rating. Here is what I have done thus far.

 

  • Hardware assembled
  • BIOS update on MB (before Windows install)
  • Windows installed
  • drivers installed
  • Windows updated

 

Parts

 

ASUS Strix B350-f Gaming

Ryzen 5 1600

Gskill TridentZ RGB DDR4 3200 16mb (8x2)

 

When I enter the BIOS, advanced, i go to overclocking and select the only D.O.C.P setting that is listed which is for my DDR4 3200. Anyone have ideas on whats wrong or a go-by to help me get this running at 3200? The MB and ASUS GTX1070ti came with a great program that did an auto baseline over clock on the CPU to 3.87mhz. Now I just need to get the RAM working right.



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#2 Platypus

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Posted 30 December 2017 - 01:21 AM

What speed is it running at?
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#3 D_A_R_K_Knight

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Posted 30 December 2017 - 02:33 AM

What speed is it running at?

 

2133mhz currently. When I tried the DOCP settings for 3200mhz and saved it in the BIOS the system would try and restart 3 times then bring me back to the bios for a failed attempt



#4 jonuk76

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Posted 30 December 2017 - 08:12 AM

It is an overclock (the Ryzen CPU only "officially" runs memory up to DDR4-2666) so there is no guarantee that it will run at the 3200 mhz XMP speed.  I believe they've also got a preference for memory based on specific Samsung DRAM chips.  You could try manually increasing the speed in steps to see how far you can get.  I.e. try manually inputting recommended timings but set the speed to say 2667, then try 2800, 2933 etc.  The 3200 speed rating is likely to be at an increased voltage of 1.35v.  I'm not sure anyone will be able to give you a set guide - set this, this and this and it will work at 3200, as there are so many variables.


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#5 D_A_R_K_Knight

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Posted 30 December 2017 - 12:45 PM

 have it runnung stable at 2666 currently by mannualy adjusting some settings. Feq set tp 2666, voltage 1.35, mannual timming settings 16/18/18/18/38. ohms set to 40. 

 

i have read and see others who have gotten this memory to 3200 and it was on the Ryzen supported list, why I went with it. From what I have seen though it could be the difference between CL14 and CL16 or luch of the draw if the memory is using the Samsung ships.

 

Did a Cinebench test as the system sits and scored 1243, this good?



#6 Drillingmachine

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Posted 30 December 2017 - 01:21 PM

Overclocking is never guaranteed and future AGESA (BIOS) updates may help getting more MHz from memory. QVL lists don't help here.

Cinebench result is OK.

#7 jonuk76

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Posted 30 December 2017 - 02:27 PM

If you can't get it to work at 3200 you still may be able to get it to run at tighter timings if you're willing to experiment.

 

Cinebench is often used in reviews so there's lots of examples out there.  Just looking at one now (Tom's Hardware):

 

Stock 1600 - 1137

1600 @ 3.9 - 1310

Stock 1600X - 1222

1600X @ 4.0 - 1340

 

I'm using cheap memory on my 1700X (Crucial DDR4-2133, plain old green sticks).  Prices today   :smash:   It actually overclocks fairly well.  I've found from some brief experiments that it actually benchmarks better at DDR4-2400 15-15-15-36 compared to DDR4-2666 16-18-18-36.  With your high end memory you certainly should be able to tighten up the timing somewhat.


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#8 D_A_R_K_Knight

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Posted 30 December 2017 - 03:09 PM

I ran the Asus AI suite 3 program that was available for DL with the install disc and it ran a stress test auto overclocking of the CPU. Without overclocking myself its running stable at 3.875 MHz so I'm fine with that now its the memory I need to get working better or I over paid for 3200.

 

Do you think I should tweak the timings down to 15-15-15-36 at 2666?



#9 jonuk76

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Posted 30 December 2017 - 03:20 PM

Try it and see, is about the best I can say.  Benchmark it and see if it improves or worsens.  Then maybe try 2800 or 2933.  This is a blog post that might be of interest - https://community.amd.com/community/gaming/blog/2017/07/14/memory-oc-showdown-frequency-vs-memory-timings


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#10 D_A_R_K_Knight

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Posted 30 December 2017 - 05:34 PM

Try it and see, is about the best I can say.  Benchmark it and see if it improves or worsens.  Then maybe try 2800 or 2933.  This is a blog post that might be of interest - https://community.amd.com/community/gaming/blog/2017/07/14/memory-oc-showdown-frequency-vs-memory-timings

 

I tried settings about 2666 and it wont boot



#11 D_A_R_K_Knight

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Posted 11 January 2018 - 04:21 PM

Update: I had t swap out the GSkill RGB CL16 for some GSkill RGB CL14. Once I did this, select the DOCP settings in the BIOS and worked first boot at 3200mhz. Now working like a champ...

 

CPU: OC at 3.87mhz

RAM: 3200mhz

 

I saw an in crease on my CineBench test score from 1210 with the CL16 running at 2666mhz to a score of 1303 with CL14 running at the 3200mhz.

 

Hope this helps anyone else having this issue with a B350-F Gaming MB. You must use CL14 RAM as of this post unless they fix this issue in future BIOS updates.






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