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*** AMD "Zen" thread (inc AM4/APU discussion) ***

Nice. A member on here has got his team group running at 2933mhz

Cheers, after watching that memory overclocking video the whole cold booting issue, coming from a setup which has been rock solid for the last few years, has me slightly concerned as my days of wanting to constantly tweak things so they work are behind me.
 
Cheers, after watching that memory overclocking video the whole cold booting issue, coming from a setup which has been rock solid for the last few years, has me slightly concerned as my days of wanting to constantly tweak things so they work are behind me.

Same here, I'm going to leave it at 3200 and try for 3600 when bios updates come. I suggest if you can boot at 3200 then leave it, otherwise 2933 and leave it until we get better support.
 
I have some Trident 3866Mhz on the way, if bios updates allow for it, will see how much it helps.

Share the results once you have em ....What bios are you on with your tomahawk

i am using Samsung single rank
G.SKILL F4-3200C14D-16GTZ Trident Z Series

i am using official v110 for the tomahawk mem @2933 14 14 14 34 1t 1.35v been stable for a few days now so happy with that

Will be trying 3200 later today

i have 4 x 8gb sticks of these i am seeing what i can get with two sticks 1st then see how bad it go's with 4 of them in
 
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Have you reset the cmos? You can also try removing the battery and leaving it out for 10 mins to completely clear everything and see if you can get it to boot after.

I have but only for a minute or 2. I'll see what happens with it out for ten minutes or so. Cheers for the suggestion though.
 
I've not had any luck with the HyperX ram. Forget trying just two sticks - couldn't get a single stick to work at 2666 and I tried all of them.

I suppose I could try each at stock, but don't think will have more luck to be honest. Think the X370 pro is just plain poor for memory support.

Bet I'd have more luck with a crosshair. But if I was going to spend yet more money, I'd be moving away from Asus.

They're like bloody snails with the support.

I have the x370 carbon and 16gb corsair lpx 3200mhz having problems getting stable at even 2400mhz, will boot sucessfully sometimes, 2133 is fine tho, haven't tried cpu clocking yet as my cooler is in the post, but perhaps when I do that the memory will be a bit easier. the A-xmp does recognise the 3200mhz profile though so hopefully support improves
 
I have the x370 carbon and 16gb corsair lpx 3200mhz having problems getting stable at even 2400mhz, will boot sucessfully sometimes, 2133 is fine tho, haven't tried cpu clocking yet as my cooler is in the post, but perhaps when I do that the memory will be a bit easier. the A-xmp does recognise the 3200mhz profile though so hopefully support improves

I can get 32gb lpx running at 2666 fine... Guess they all struggling a bit.

But I can't even get the 64gb (all installed) running at 2133, so will probably just have to return it.
 
I can get 32gb lpx running at 2666 fine... Guess they all struggling a bit.

But I can't even get the 64gb (all installed) running at 2133, so will probably just have to return it.

Have you up upped the SOC voltage? I found upping it from 0.9v default to 1.1v made a big difference with my 2x16Gb Corsair LPX, I can do 2933CL18 although it's no faster than 2666CL14. Also upped DRAM voltage a little to 1.375v
 
Share the results once you have em ....What bios are you on with your tomahawk

i am using Samsung single rank
G.SKILL F4-3200C14D-16GTZ Trident Z Series

i am using official v110 for the tomahawk mem @2933 14 14 14 34 1t 1.35v been stable for a few days now so happy with that

Will be trying 3200 later today

i have 4 x 8gb sticks of these i am seeing what i can get with two sticks 1st then see how bad it go's with 4 of them in

I am on bios 1.32.
 
I am on bios 1.32.

Thx
have you tried 1.33 yet if so how did it go ?

1.21 official is out now. https://www.msi.com/Motherboard/support/B350-TOMAHAWK.html#down-bios

seems there was issues re 1.32 .1.33 and the beta site got pulled

I quote

Hearing that the microcode update that's in 1.32 and/or 1.33 was a bad update. 1.31 seems fine for me, though, so for now everybody should try to stick with 1.31 and keep wide berth from 1.32/1.33. The microcode update was so bad that the MSI forum mods even shut down the official Ryzen Beta forum and are apparently banning any accounts that post links to the downloads for betas. Hot stuff for sure, though.
 
Have you up upped the SOC voltage? I found upping it from 0.9v default to 1.1v made a big difference with my 2x16Gb Corsair LPX, I can do 2933CL18 although it's no faster than 2666CL14. Also upped DRAM voltage a little to 1.375v

Oh yeah, pushed it as close to 1.2v as I thought safe.

Upping ddr voltage to a bit over 1.3v didn't help. Oddly, pushing it to 1.4v just wouldn't even post.

Nothing I do gets this stable in any way with this ram
 
Oh yeah, pushed it as close to 1.2v as I thought safe.

Upping ddr voltage to a bit over 1.3v didn't help. Oddly, pushing it to 1.4v just wouldn't even post.

Nothing I do gets this stable in any way with this ram

Hopefully it's just a BIOS thing, I wish they'd hurry up and release a BIOS that allows 2T rather than forcing 1T for anything over 2133mhz. It does seem they must have done most of their testing with 16GB tops as 32Gb and 64Gb are both much more difficult to hit high speeds.
 
Thx
have you tried 1.33 yet if so how did it go ?

1.21 official is out now. https://www.msi.com/Motherboard/support/B350-TOMAHAWK.html#down-bios

seems there was issues re 1.32 .1.33 and the beta site got pulled

I quote

Hearing that the microcode update that's in 1.32 and/or 1.33 was a bad update. 1.31 seems fine for me, though, so for now everybody should try to stick with 1.31 and keep wide berth from 1.32/1.33. The microcode update was so bad that the MSI forum mods even shut down the official Ryzen Beta forum and are apparently banning any accounts that post links to the downloads for betas. Hot stuff for sure, though.

1.32 running fine for me. I will roll back to 1.2.
 
Not sure this was worth its own thread so am adding it here as it will be interesting to some comparing Intel vs. AMD choices and one of the factors in consideration is Intel's new Optane (which can be used as "RAM" by Intel's new chips but not AMDs).

http://semiaccurate.com/2017/03/27/intel-crosses-unacceptable-ethical-line/

It's a bit wordy. I would start reading below the first slide if interested. Long and the short of it is that the journalist at Semi-Accurate is pretty ****** off at Intel and gives a detailed break down on how he feels they are deliberately obfuscating and misleading over Optane's performance. To the degree that he concludes that this behaviour is so far outside Intel's normally good PR-press relationships that he thinks senior management must have stuck their oars in and mandated the concealment of information.

Anyway, interesting read if you're weighing up Optane as a factor on Ryzen vs. Intel chips. Seemed more use here than a lonely thread in the Storage section.
 
Not sure this was worth its own thread so am adding it here as it will be interesting to some comparing Intel vs. AMD choices and one of the factors in consideration is Intel's new Optane (which can be used as "RAM" by Intel's new chips but not AMDs).

http://semiaccurate.com/2017/03/27/intel-crosses-unacceptable-ethical-line/

It's a bit wordy. I would start reading below the first slide if interested. Long and the short of it is that the journalist at Semi-Accurate is pretty ****** off at Intel and gives a detailed break down on how he feels they are deliberately obfuscating and misleading over Optane's performance. To the degree that he concludes that this behaviour is so far outside Intel's normally good PR-press relationships that he thinks senior management must have stuck their oars in and mandated the concealment of information.

Anyway, interesting read if you're weighing up Optane as a factor on Ryzen vs. Intel chips. Seemed more use here than a lonely thread in the Storage section.

Semi-Accurate shouldn't be surprised about this, Intel have a history of it.
 
Not sure this was worth its own thread so am adding it here as it will be interesting to some comparing Intel vs. AMD choices and one of the factors in consideration is Intel's new Optane (which can be used as "RAM" by Intel's new chips but not AMDs).

Meh, it's because it's a feature of that generation of Intel chipset. This is the same feature that was introduced with Z68 (IIRC) except now it's using M.2 SSDs for cache instead of small MSATA SSDs.

It's also a pretty lame feature TBH, I would much rather have a large SSD than a mechanical HDD with 16-32GB of caching SSD.
 
I have but only for a minute or 2. I'll see what happens with it out for ten minutes or so. Cheers for the suggestion though.


Ok the fix was pull the cmos battery and then tap reset 5 times. It then powered on as it should. Is odd as I'd pulled the battery at the start of the chaotic night I've just been through.
 
Ok the fix was pull the cmos battery and then tap reset 5 times. It then powered on as it should. Is odd as I'd pulled the battery at the start of the chaotic night I've just been through.

Yes, pressing reset several times may have flushed residual charge from capacitors or something similar.
 
Back in the AMD K6 days I had a super socket 7 Jetway board that would fail to boot after a failed overclock, only way to get it running again was to put the CMOS battery in backwards lol.
 
My 970 Gigabyte board does this after BIOS tinkering sometimes. I have to remove the kettle lead from the PSU and leave it for a minute or so before plugging it back in and it will boot without issue from that point on

Just a quirk really but annoying if you've not come across it before
 
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