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Author Topic: AMD Ryzen memory support  (Read 72938 times)

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RemusMTopic starter

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AMD Ryzen memory support
« on: 14-March-17, 09:00:23 »

Because the entire MSI forum is bloated with topics related to AMD Ryzen CPUs and B350 motherboards.

1) The XMP (overclocking) profiles have been designed by Intel for the Intel CPUs.
They are not even guaranteed by Intel to work on any Intel CPU.
Trying to make them work on the AMD CPUs is gambling.

2) At these moment these are the memory configs & speeds guaranteed by AMD for their Ryzen CPUs:
1866 MHz for 4 DIMMs in dual channel and dual rank.
2133 MHz for 4 DIMMs in dual channel and single rank.
2400 MHz for 2 DIMMs in dual channel and dual rank.
2666 MHz for 2 DIMMs in dual channel and single rank.
Anything above that is gambling.

:beerchug:
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note: NO overclocking!

darkhawk

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« Reply #1 on: 14-March-17, 12:10:46 »

Stickied. Thanks RemusM! :)

Things that can improve support : 
1. Increase NB voltage. Increase by +0.05 to +0.1V to see if system will boot with higher speed
2. Stick to good, name brands. Corsair, Crucial, Samsung will provide the best results.

I'll attempt to update this as time goes on and other ways to improve it are suggested.
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dylangutt1

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« Reply #2 on: 14-March-17, 13:39:45 »

I have tried setting my dual channel memory (rated at 2666) to 2400 MHz manually to no avail. I assume it's trying dual rank.
I have not tired the dual channel to 2666 at a single rank, is this a change in the bios I can change?
I just assumed it was a BIOS issue in regards to the memory, considering XMP was off. Do I need to change the voltage much if I am changing the frequency? It's usually at 1.2v.
The only way it boots successfully on my B350 Tomahawk is 2133 MHz in dual channel mode. 2T. (Default)
When changing these, the computer fails to post with a series of beeps.
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« Reply #3 on: 14-March-17, 18:07:18 »

Single or dual rank is no setting... It is the internal structure of the memory module and can of course not be changed:  https://www.quora.com/What-is-the-difference-between-single-rank-and-dual-rank-memory
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bryankearns

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« Reply #4 on: 16-March-17, 03:29:29 »

Just a comment regarding Corsair Vengeance LPX 3200 and my Ryzen 1800x/X370 Carbon.

It will not run at anything but 1866 Mhz

CORSAIR Vengeance LPX 32GB (4 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Desktop Memory Model CMK32GX4M4B3200C14R
As I am far from a DRAM expert, would those of you folks who are better informed than I suggest that I just hang tight and hopefully a BIOS update will help?

Thanks in advance.
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mfeinberg01

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« Reply #5 on: 16-March-17, 04:14:51 »

https://www.techpowerup.com/231518/amd-shares-details-on-ryzen-ddr4-memory-support-and-upcoming-am4-updates

NB voltages bumped up to 1.0-1.15 have shown to improve stability at higher data rates

Keep CAS at a multiple of 2

If running 4 sticks don't expect to post above 2400 until memory updates for BIOS are available (estimated in April from what has been posted).

Single ranks DIMMs with Samsung IC's are said to have the best compatibility so far.
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michaelinside

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« Reply #6 on: 16-March-17, 21:05:46 »

I've noticed when going from 2400Mhz to 2666Mhz the command rate jumps from 2T to 1T, with no way to change it. This might be another reason why getting the xmp timings is difficult. I'm currently running my kit at 1.35v 2666 Mhz Cl14-14-14-34-63-1T. That's 2x16Gb of F4-3200C14-16GTZ 2rank.
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imwechs

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« Reply #7 on: 17-March-17, 05:39:58 »

I've noticed when going from 2400Mhz to 2666Mhz the command rate jumps from 2T to 1T, with no way to change it. This might be another reason why getting the xmp timings is difficult. I'm currently running my kit at 1.35v 2666 Mhz Cl14-14-14-34-63-1T. That's 2x16Gb of F4-3200C14-16GTZ 2rank.
I am doubt full of your claims, I tried two such dimms over a week ago and could not get higher than 2133.  Now I have tried two 8GB single rank dimms and I do not get over 2400mhz. That is on the Titanium X370.
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mfeinberg01

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« Reply #8 on: 17-March-17, 12:48:49 »

There are multiple reports of people easily achieving DDR4-3200 speeds with only 2 single sided DIMMS, but the specific IC's matter - Samsung chips seem to perform best. XMP profiles are not reliable. Probably best to disable and manually configure your ram settings.
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jonrevis1985

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« Reply #9 on: 17-March-17, 16:31:49 »

Is there any way I can attempt to go above 3200Mhz, Whe I purchased the motherboard I was promised 3200Mhz OC+.

I'm running Stable at 3200Mhz on my Corsair Dominator Platinum Special Edition (Chrome) but I really want to be able to test higher frequencies.
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darkhawk

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« Reply #10 on: 17-March-17, 16:45:02 »

Is there any way I can attempt to go above 3200Mhz, Whe I purchased the motherboard I was promised 3200Mhz OC+.

I'm running Stable at 3200Mhz on my Corsair Dominator Platinum Special Edition (Chrome) but I really want to be able to test higher frequencies.

When AMD supports more than 3200. At this time, AMD has hard limited everyone to 3200. So until AMD updates, 3200 is the most you can get.

Don't ask me when that will happen. I have zero control over it, and I have zero insight into when it will happen with AMD, much less when MSI will put the update out.
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michaelinside

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« Reply #11 on: 17-March-17, 18:33:53 »

Posted a screenshot for proof. It's on a Tomahawk board with 1.15 bios
<a href="http://s132.photobucket.com/user/creamylord/media/Cpuid%20Ram.jpg.html" target="_blank"><img src="http://i132.photobucket.com/albums/q29/creamylord/Cpuid%20Ram.jpg" border="0" alt=" photo Cpuid Ram.jpg"/>[/url]
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wmmunn

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« Reply #12 on: 17-March-17, 18:34:36 »

I have experience failures of G.Skill Trident Z RGB memory kits twice now on my ryzen builds. First one was with an asrock fatal1ty professional gaming board, and a 32gb 4 module kit of g.kill trident z rgb memory. second time was with my MSI x370 titanium.

both times the ram initially operated properly, however when you attempt to change the speed from the default, it will run windows exactly once, then on the next boot it will fail to post and then the stick is dead.

I have also seen a few reviewers on Youtube suffer the exact same problems. Seems G.Skill has some serious quality issues with the RGB kits on the ryzen platform. Whatever is going on, it's not good.
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darkhawk

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« Reply #13 on: 17-March-17, 18:38:40 »

I have experience failures of G.Skill Trident Z RGB memory kits twice now on my ryzen builds. First one was with an asrock fatal1ty professional gaming board, and a 32gb 4 module kit of g.kill trident z rgb memory. second time was with my MSI x370 titanium.

both times the ram initially operated properly, however when you attempt to change the speed from the default, it will run windows exactly once, then on the next boot it will fail to post and then the stick is dead.

I have also seen a few reviewers on Youtube suffer the exact same problems. Seems G.Skill has some serious quality issues with the RGB kits on the ryzen platform. Whatever is going on, it's not good.

Trust me, it's not just the Ryzen platform. Its' the same for Intel platforms as well. That memory is cheaper for a reason......
I don't know why, but G.Skill has been problematic on all DDR4 platforms.
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RemusMTopic starter

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« Reply #14 on: 18-March-17, 08:04:25 »

both times the ram initially operated properly, however when you attempt to change the speed from the default, it will run windows exactly once,
then on the next boot it will fail to post and then the stick is dead.

Overclocking and overvolting are faulty activities.
For 4 memory modules with Ryzen CPUs, AMD guarantees 2133MHz and nothing more.
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overclockit

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« Reply #15 on: 18-March-17, 13:38:59 »

I'm confused. I bought the B350 Tomahawk for my 1700 because it stated it would support up to 3200MHz but I'm only able to run it up to 2667Mhz at this time using the recommended ram according to the MSI compatibility list which is the Corsair Vengeance LPX. Is the issue related to AMD or a BIOS fix? There are other manufacturers that people are using who are able to run 3200MHz as advertised. If it's not going to be supported in a future update I'm returning it but need an answer. You guys ares saying it's on AMD but AMD is saying it's on you guys so which is it?
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darkhawk

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« Reply #16 on: 18-March-17, 14:04:04 »

I'm confused. I bought the B350 Tomahawk for my 1700 because it stated it would support up to 3200MHz but I'm only able to run it up to 2667Mhz at this time using the recommended ram according to the MSI compatibility list which is the Corsair Vengeance LPX. Is the issue related to AMD or a BIOS fix? There are other manufacturers that people are using who are able to run 3200MHz as advertised. If it's not going to be supported in a future update I'm returning it but need an answer. You guys ares saying it's on AMD but AMD is saying it's on you guys so which is it?

AMD officially supports what is listed in the first post. Anything more is overclocking. Period. ie it is NOT GUARANTEED to work. 

Some people can run their systems at 3200 MHz. They manually tuned the system voltages and memory to get those speeds. MANUALLY.

Things have changed from the olden days, where things 'just worked'. It isn't like that anymore. If you want to hit those speeds, you'll need to manually set the timing according to your RAM, as well as changing the system voltages to match it and allow those speeds.
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mfeinberg01

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« Reply #17 on: 18-March-17, 15:13:34 »

I'm confused. I bought the B350 Tomahawk for my 1700 because it stated it would support up to 3200MHz but I'm only able to run it up to 2667Mhz at this time using the recommended ram according to the MSI compatibility list which is the Corsair Vengeance LPX. Is the issue related to AMD or a BIOS fix? There are other manufacturers that people are using who are able to run 3200MHz as advertised. If it's not going to be supported in a future update I'm returning it but need an answer. You guys ares saying it's on AMD but AMD is saying it's on you guys so which is it?

In addition to what has been stated, AMD is *working* on improving memory compatibility and performance but we have no guarantees beyond what AMD has already published. We *expect* it will improve but have to wait and see.
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overclockit

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« Reply #18 on: 18-March-17, 16:50:38 »

AMD officially supports what is listed in the first post. Anything more is overclocking. Period. ie it is NOT GUARANTEED to work.

Some people can run their systems at 3200 MHz. They manually tuned the system voltages and memory to get those speeds. MANUALLY.

Things have changed from the olden days, where things 'just worked'. It isn't like that anymore. If you want to hit those speeds, you'll need to manually set the timing according to your RAM, as well as changing the system voltages to match it and allow those speeds.

I've been building and Overclocking Intel and AMD computers for over 2 decades so I'm aware of MANUALLY changing settings.
 
But if it's NOT GUARANTEED to work as stated right on the box it's a bit misleading especially for the less tech savvy people out there. My guess is they'll get it working as advertised on the box eventually. I mean we are all here on this forum because of the same related issues unless I should just call MSI support from here on out and link to this thread for reference.

The box clearly states support for DDR4 3200OC and you guys get upset when we ask why it's not working as advertised or if you know if it will indeed be supported. I don't think I'm in the wrong for asking especially being a long time customer loyal to the MSI brand.

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RemusMTopic starter

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« Reply #19 on: 18-March-17, 17:17:18 »

I've been building and Overclocking Intel and AMD computers for over 2 decades so I'm aware of MANUALLY changing settings.
The box clearly states support for DDR4 3200OC

If so, you should know that "supported my motherboard" and "supported by CPU" are two very different things.

https://www.msi.com/Motherboard/B350-TOMAHAWK.html#productSpecification-section

• 4 x DDR4 memory slots, support up to 64GB
 - Supports DDR4 1866/ 2133/ 2400/ 2667(OC)/ 2933(OC)/ 3200(OC)+ Mhz *
 • Dual channel memory architecture
 * 7th Gen A-series/ Athlon ™ processors support up to 2400 MHz
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overclockit

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« Reply #20 on: 18-March-17, 17:34:08 »

If so, you should know that "supported my motherboard" and "supported by CPU" are two very different things.

https://www.msi.com/Motherboard/B350-TOMAHAWK.html#productSpecification-section

• 4 x DDR4 memory slots, support up to 64GB
 - Supports DDR4 1866/ 2133/ 2400/ 2667(OC)/ 2933(OC)/ 3200(OC)+ Mhz *
 • Dual channel memory architecture
 * 7th Gen A-series/ Athlon ™ processors support up to 2400 MHz


You left out the Ryzen part. If you're job isn't to actually provide technical support I'd rather not have you comment on my threads anymore. I'll be calling MSI and emailing the Cooperate office and filling a complaint about the help I've received here. It's ridiculous to say the least.
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RemusMTopic starter

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« Reply #21 on: 18-March-17, 17:40:08 »

You left out the Ryzen part. Is it your jobs as Moderators to argue and prove people wrong here instead of actually moderating and being useful? If you're job isn't to actually provide technical support I'd rather not have you comment on my threads anymore. I'll be calling MSI and emailing the Cooperate office and filling a complaint about the help I've received here. It's ridiculous to say the least.

Not at all.
Read again (carefully) my posted messages.
You continue to talk about faulty activities in the wrong forum section.
For future please use the right section if you want to run your CPU out of specs.
:gg:
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overclockit

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« Reply #22 on: 18-March-17, 17:50:56 »

Not at all.
Read again (carefully) my posted messages.
You continue to talk about faulty activities in the wrong forum section.
For future please use the right section if you want to run your CPU out of specs.
:gg:

Do you work for MSI?
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flobelix

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« Reply #23 on: 18-March-17, 18:11:25 »

Quite odd question but no, Remus M is a user like you. This is a forum and not MSI tech support. Even the moderators are no MSI staff.
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overclockit

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« Reply #24 on: 18-March-17, 18:23:45 »

Quite odd question but no, Remus M is a user like you. This is a forum and not MSI tech support. Even the moderators are no MSI staff.

Oh I see. Been posting and wasting my time here then. Take care.
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darkhawk

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« Reply #25 on: 18-March-17, 21:28:14 »

I've been building and Overclocking Intel and AMD computers for over 2 decades so I'm aware of MANUALLY changing settings.
 
But if it's NOT GUARANTEED to work as stated right on the box it's a bit misleading especially for the less tech savvy people out there. My guess is they'll get it working as advertised on the box eventually. I mean we are all here on this forum because of the same related issues unless I should just call MSI support from here on out and link to this thread for reference.

The box clearly states support for DDR4 3200OC and you guys get upset when we ask why it's not working as advertised or if you know if it will indeed be supported. I don't think I'm in the wrong for asking especially being a long time customer loyal to the MSI brand.
It's quite clear you're not understanding, no matter how someone explains it to you. 

Does the CPU support it? Yes.
Does the board support it? Yes.
Have you set it up properly? Apparently not. Others have managed to get it to work properly. So obviously the motherboard and CPU support it. Maybe your memory doesn't? Maybe you just aren't using the correct settings? We really don't know. But coming here and getting mad, and harassing users and moderators about your 'experience of over 2 decades' (most of the mods experience eclipse that....so it means very little at all to us) isn't going to change your problems, or fix it. 
We are here to help, but getting hostile is a one way street to being removed.
We would gladly help, but with little to no information, other than complaining, there is very little we can suggest.
Not only that, this is hardly the place to do it. I really suggest opening up your own thread and explaining it there.

Lastly, RemusM is a memory expert. Much more knowledgeable than many when it comes to memory and memory support, especially in regards to AMD systems.
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imwechs

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« Reply #26 on: 18-March-17, 22:45:27 »

Because the entire MSI forum is bloated with topics related to AMD Ryzen CPUs and B350 motherboards.

1) The XMP (overclocking) profiles have been designed by Intel for the Intel CPUs.
They are not even guaranteed by Intel to work on any Intel CPU.
Trying to make them work on the AMD CPUs is gambling.

2) At these moment these are the memory configs & speeds guaranteed by AMD for their Ryzen CPUs:
1866 MHz for 4 DIMMs in dual channel and dual rank.
2133 MHz for 4 DIMMs in dual channel and single rank.
2400 MHz for 2 DIMMs in dual channel and dual rank.
2666 MHz for 2 DIMMs in dual channel and single rank.
Anything above that is gambling.

:beerchug:

Well with the 1.27 beta bios I have 4 single rank dimms running stable at 2400 mhz.Thet are Corsair Dominator Platinum 8GB dimms I out framvoltage at 1.35 volts enabled extra overclock protection on voltage .Ialsohave a stable 3.7 GHZ overclock on all cores. Perhaps I will try to raise it to 3.8GHZ,as I have an excellent  liquid cooler,an AlphacoolEisbahr 360. It has a large,but thin 360mm copper radiator. My Cinebench R15 scores are through the roof. 98.4 fps, 1610  for CPU,and 855 single core. I also have a 2GB ramdisk that I use to accelerate Firefox and copy dvd programs to and then install them almost instantly avoiding slow DVD installs because of their poor access times..
  If I could only get MSI to iron  out iwindows installation problems from the m.2 NVME slot formy Samsung 950 PRO drive.
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« Reply #27 on: 19-March-17, 00:23:55 »

I'm having a great experience with my 960 Pro, in fact that's the one piece of hardware that hasn't had any issues on this build.
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« Reply #28 on: 19-March-17, 00:30:41 »

Everything has worked well for me other than Trident Z 2x8GB CL14 modules that aren't on the QVL for the Tomahawk so I have them clocked down for now.  Figure I'll be patient and wait a few months before I give up on it.  I knew this was more or less a Beta test I was getting myself into.  MSI deserves some time to work on memory compatibility.  Hoping my modules are eventually good for at least 3000 on this motherboard.
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RemusMTopic starter

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« Reply #29 on: 19-March-17, 07:39:00 »

Well with the 1.27 beta bios I have 4 single rank dimms running stable at 2400 mhz.
Thet are Corsair Dominator Platinum 8GB dimms

:biggthumbsup:
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« Reply #30 on: 20-March-17, 09:36:51 »

Hello,

I hope I can receive some help here. I bought this kit: https://www.gskill.com/en/product/f4-3200c16d-8gvkb It was on sale and RAM prices were going up. This was before all the RAM stuff came out, so I figured why not? Guess that was a bad choice in the end.

I have a x370 MSI GAMING PRO CARBON. I can't get these to run at their advertised speed, no matter what I try. XMP on, off, manually entering timings, trying to add a bit of voltage, nothing. The max I can get them to do is 2400MHz. 

Any advice for me? Should I try and sell this kit and get something else? I'm pretty bummed out. I know I shouldn't have bought the kit, before Ryzen came out. It's not on the QVL list of the board either, but new ones are being added though... 

I figured I'd be okay, because the board does support 3200 MHz RAM. Does that mean these sticks will be supported if I just wait it out? Any rough ETA?
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darkhawk

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« Reply #31 on: 20-March-17, 11:22:46 »

Hello,

I hope I can receive some help here. I bought this kit: https://www.gskill.com/en/product/f4-3200c16d-8gvkb It was on sale and RAM prices were going up. This was before all the RAM stuff came out, so I figured why not? Guess that was a bad choice in the end.

I have a x370 MSI GAMING PRO CARBON. I can't get these to run at their advertised speed, no matter what I try. XMP on, off, manually entering timings, trying to add a bit of voltage, nothing. The max I can get them to do is 2400MHz.

Any advice for me? Should I try and sell this kit and get something else? I'm pretty bummed out. I know I shouldn't have bought the kit, before Ryzen came out. It's not on the QVL list of the board either, but new ones are being added though...

I figured I'd be okay, because the board does support 3200 MHz RAM. Does that mean these sticks will be supported if I just wait it out? Any rough ETA?

Here's the thing. You could hold out and hope that AMD/MSI or maybe G.Skill provides some help or an update to make them work at 3200 MHz. 
You could sell them, and get something a bit better (and more expensive) in the HOPES that it works at 3200 MHz like you want.
Or you could just be happy with 2400MHz. 
Personally, the jump in 'speed' relative to 2400 MHz to 3200 MHz is maybe 10% in the BEST cases, but most likely that won't be realized in most use-cases. I'd be happy it works, and it runs at 2400 MHz.
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jellewolters

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« Reply #32 on: 20-March-17, 12:20:50 »

Here's the thing. You could hold out and hope that AMD/MSI or maybe G.Skill provides some help or an update to make them work at 3200 MHz.
You could sell them, and get something a bit better (and more expensive) in the HOPES that it works at 3200 MHz like you want.
Or you could just be happy with 2400MHz.
Personally, the jump in 'speed' relative to 2400 MHz to 3200 MHz is maybe 10% in the BEST cases, but most likely that won't be realized in most use-cases. I'd be happy it works, and it runs at 2400 MHz.

I feel like an idiot running 3200MHz at 2400Mhz though. I could've saved some money and bought 2400MHz RAM then. Not to mention the board states 3200MHz is supported. I don't mind it not being supported at launch, but I do hope it'll be supported in the near future.
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mfeinberg01

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« Reply #33 on: 20-March-17, 12:41:17 »

I feel like an idiot running 3200MHz at 2400Mhz though. I could've saved some money and bought 2400MHz RAM then. Not to mention the board states 3200MHz is supported. I don't mind it not being supported at launch, but I do hope it'll be supported in the near future.

Rated memory speed is simply the *maximum* supported speed. Not unlike a freeway with a 75MPH speed limit where most people may be stuck doing 55 due to traffic (yes, imperfect analogy). I bought DDR3200 to give me extra headroom to make 2400 easier to achieve with the hope of eventually reaching 3200 (at the time AMD had only confirmed DDR4-2400 support). I actually could reach 3200 if I dropped down to 2 DIMMs from what I am seeing from others who use the same memory, but I would rather have the 32GB (not that I need it at this moment, but I do occasional video editing). The speed drop really doesn't matter to me. As already noted, the actual real-world impact is rarely significant. Now, that being said, the new Ryzen architecture is unique in that the actual memory *clock* speed does directly impact the IMC and Infinity Fabric, but the impact on anything other than benchmarks again isn't likely to be significant.

Also, it's not unusual to get better IC's in higher rated DIMMs. It is quite possible DDR4-2400 DIMMs may not even reach that rate on the AMD platform if they use lower quality IC's with worse compatibility. Some benchmarks I have seen (early after the Ryzen release) showed AMD memory bandwidth at >95% efficiency versus ~75% efficiency for Intel (I would assume this relates to the integrated IMC on Ryzen).
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jellewolters

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« Reply #34 on: 20-March-17, 13:11:39 »

The speed drop really doesn't matter to me. As already noted, the actual real-world impact is rarely significant. Now, that being said, the new Ryzen architecture is unique in that the actual memory *clock* speed does directly impact the IMC and Infinity Fabric, but the impact on anything other than benchmarks again isn't likely to be significant.


Quite a few reviews out there showing 10-15% difference in some videogames with different memory settings. That's a lot in my opinion.
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RemusMTopic starter

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« Reply #35 on: 20-March-17, 15:02:13 »

Quite a few reviews out there showing 10-15% difference in some videogames with different memory settings. That's a lot in my opinion.

If you have a decent graphics card, the memory speed is almost irrelevant (2-3% boost from 2133 to 3200 MHz)
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note: NO overclocking!

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« Reply #36 on: 20-March-17, 17:30:39 »

If you have a decent graphics card, the memory speed is almost irrelevant (2-3% boost from 2133 to 3200 MHz)
I think it's been said now a few times this isn't the case for Ryzen, for whatever reason. Look up reviews with games like Fallout, Crysis 3, The Witcher 3. The difference can be as much as 15%, which results in 10-20FPS differences.

just an example.

Anyway, I see my question is not going to be answered. I asked about ETA and possible fixes. Not excuses for why running 3200MHz at 2400MHz is acceptable, when I've spent 200 euro on a board. I'm not blaming MSI here, the launch is a crapshoot, probably cause of AMD, but I'd like a (rough) timeline for fixes.
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jerflash63

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« Reply #37 on: 20-March-17, 19:10:08 »

I really think that in the first post we should list that single sided samsung memory has had the most compatibility with overclocking. anything else won't go over 2400... 2667 if we are lucky. 

I went from Corsair LPX 3000 which would not post over 2400 no matter the setting or bios, to LPX 3200 memory and was able to get 3200 on the first try.
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imwechs

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« Reply #38 on: 21-March-17, 06:24:30 »

I really think that in the first post we should list that single sided samsung memory has had the most compatibility with overclocking. anything else won't go over 2400... 2667 if we are lucky.

I went from Corsair LPX 3000 which would not post over 2400 no matter the setting or bios, to LPX 3200 memory and was able to get 3200 on the first try.

  According to the memory speed chart with 4 dual channel ram slots filled witj first ranked dimms I should only get a speed of 2133mhz.Yet with my four 8GB dimms I was able to get to 2400mhz quite easily on bios 1.27. When the bios is completely optimized I expect 2666mhz memory speed.
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devilx

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« Reply #39 on: 21-March-17, 07:23:14 »

Hello,

I've a question regarding memory support. My specs are in the sig. Since search on this forum is a pain and i didn't want to read all pages please don't be hard to me if this has been posted earlier.
Apart from endless post-time my system runs ok on 2133 JEDEC RAM-settings but when i change to XMP my system boots and reports 3200 with advertised timings in bios but on every boot it outputs 4 beeps by internal speaker.
I'm on BIOS-Version 115 atm and the memory is listend on MSI's doc to be supported with 3200.
Reverted back to JEDEC then without doing further testing since i want to have the system running stable first.
Anyone has some advise on this issue?

Thx for your answers.
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RemusMTopic starter

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« Reply #40 on: 21-March-17, 07:30:26 »

Quote
According to the memory speed chart with 4 dual channel ram slots filled witj first ranked dimms I should only get a speed of 2133mhz.
Yet with my four 8GB dimms I was able to get to 2400mhz quite easily on bios 1.27. When the bios is completely optimized I expect 2666mhz memory speed.

Those are the speeds guaranteed by AMD using the stock settings.
Depending on the quality of your memory modules and CPU, you can reach higher speeds.
Also, increasing the voltages and/or relaxing the timings you can reach higher speeds.
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Mainboard: HC85
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System RAM: 48KB
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Video Card: integrated (16 colors)
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note: NO overclocking!

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mfeinberg01

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« Reply #42 on: 21-March-17, 14:56:50 »

Statistics alone can be misleading.

If one year 1 person gets the flu, and the next its 2 that is a massive 100% jump!

Sure, 10% seems significant but *most* users will not notice the difference between 100 FPS and 90 FPS as most monitors are still 60 Hz. Yes, I know about 144 Hz monitors, but even then *most* users won't really notice a difference. Also, those benchmarks that show that much of a difference are at lower resolutions in order to exaggerate deltas. That gap shrinks significantly at higher resolutions.

So the real-world impact is minimal.
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Aventador

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« Reply #44 on: 21-March-17, 17:22:13 »

On Corsair LPX 3000MHz (Micron) (CMK8GX4M2B3000C15) with bios 1.21 i can get 2666MHz by putting voltage at 1.35 and clock at 2666MHz. From now on i cant pass this clock speed.

Cpu: 1700
MB: B350 Tomahawk
Ram: Corsair LPX 3000MHz 8Gb
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jeffzac92

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« Reply #45 on: 21-March-17, 19:54:07 »

Guys just have patience until a BIOS ver releases that allows 3200mhz across all brands.  You're fine with 2667, heck even 2400mhz until then.  As long as memtest86 returns with zero errors on a pass or 5 or 10, then you're set.  At this point, it's beating a dead horse posting about RAM not running at advertised speeds with MSI.  You've got 1 of 3 options.  

1) Keep replacing RAM until you give up/get lucky?
2) Get a new MOBO either x370, or another brand (ASUS, GA, ASROCK)
3) Go intel?  

Ryzen benefits from RAM speeds more than any processor released in the past decade; however, 2667mhz is grand for roughly 85-90% of us users.  Patience is key.
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dragianx

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« Reply #46 on: 22-March-17, 08:16:16 »

I am currently running corsair LED 3200 (16GBx2 kit) on my X370 titanium setup with ryzen 1800x and is is auto OC at 2666 with no issue.  When i go higher without tuning voltages it pretty much needs a CMOS reset.  My bigger concern right now is that I see that there is a BIOS update available since my BIOS was flashed on 2/22 (just bought it today) and the MSI website says "file not found" when i attempt to download the bios update.  Any idea what's up with that?  Also I am running everything else pretty stock but I dont want to play with OC and running processor full speed until I get a bios update.
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mfeinberg01

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« Reply #47 on: 22-March-17, 12:38:11 »

I am currently running corsair LED 3200 (16GBx2 kit) on my X370 titanium setup with ryzen 1800x and is is auto OC at 2666 with no issue.  When i go higher without tuning voltages it pretty much needs a CMOS reset.  My bigger concern right now is that I see that there is a BIOS update available since my BIOS was flashed on 2/22 (just bought it today) and the MSI website says "file not found" when i attempt to download the bios update.  Any idea what's up with that?  Also I am running everything else pretty stock but I dont want to play with OC and running processor full speed until I get a bios update.

The mods have a sticky post in another thread with the latest BETA BIOS releases for all AM4 motherboards. Have you tried looking there and downloading from their link?

Also, it appears AMD has released some updated code to address memory compatibility issues. I doubt it is the "final fix", and there are no reports yet on it's impact as it has yet to be incorporated into any BIOS updates from any manufacturer, but it should mean an update should be coming soon with (hopefully) noticeable improvements in memory compatibility and maybe some improvements in clock speed support.
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Riptide

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« Reply #48 on: 24-March-17, 03:33:37 »

I flashed my BIOS to 1.10 release today. This is a MSI Tomahawk. There is a new feature in the BIOS on the 1.10 release A-XMP. I set it to that and the system rebooted with my modules running at PC3200 14-14-14 timings 1.35v. This is a gskill trident Z 2x8GB pc3200 cl14 set.
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erik

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« Reply #49 on: 24-March-17, 13:32:11 »

Hey.
I got the Tomahawk 350B and the Ryzen 1800x and Corsair Vengeance LPX DDR4 DIMM PC26400/3300MHz CL16 4x4GB.
It's automatically set to 2300 Mhz in BIOS, and if I try to set it to 3200, I have to reset BIOS for the computer to boot. (Like otehrs have mentioned here.)

I have not yet updated to the 1.1 version of BIOS.

Anybody knows what would be the best BIOS settings for my setup with the current BIOS (1.1)?

Also, is this mainly a SW issue which may be solved in future BIOS versions, or is it HW related, meaning I'm stuck at lower hertz?

(I knew there was a high change I wouldn't get max hertz when I bought this and it's not a big deal, but my HW knowledge is limited and I'd rather ask someone who knows than mess around and fail alot.)
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