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

Finally my order has been dispatched and should be delivered Monday! Was being held up by the mobo. R7 1700, MSI Carbon x370, M.2 NVME drive and an NZXT case. I have 32gb of Corsair Vengeance 3200 DDR4 here ready and the worlds most overkill PSU for this system. Will be using the wraith cooler for now and 295x2 until more Vega news comes in or I crack and buy a 1080ti.

Excited! :D
 
Panos said:
Watching the video was the last thing my 1700X did :(
it shut down and since then I cannot recover it from error code 8. Was trying all way to 3am.
So contacted OCUK and started the RMA process.
Click to expand...

Feels bad man! Hope you get it sorted in good time dude.
 
Well my Ch6 and 1700 turned up today. Everything at stock for the time being while I test the system to ensure it works. The bios is a little funky but it's running at least.
 
Awahwah said:
Well my Ch6 and 1700 turned up today. Everything at stock for the time being while I test the system to ensure it works. The bios is a little funky but it's running at least.
Click to expand...

+1 This is one classy motherboard, I missed my CHV when it broke and I bought a cheap Asrock to tide me over.

I flashed Bios v1001 before the build.
 
sityeuropa said:
My CPU temps are fine about 60c load.

My VRM MOS gets up to 116c when viewing in HWInfo64. Is this normal ??
Click to expand...

I'm not sure what the normal VRM temp is. I'm pretty sure they're ok up to 125c ish.

There was a lot of worry about VRM temps when Zen first came out, but that seemed to die down. I'm still not sure whether I should swap to a cooler like this to help cool them https://www.overclockers.co.uk/noctua-nh-c14s-top-flow-flexible-cpu-cooler-140mm-hs-030-nc.html

Still waiting on a mobo, so could swap my D15 for the C14 if VRM cooling is an issue.
 
I think I've found my issue.

Even though Premiere CC and RealBench are at 100% CPU usage, Premiere CC exporting is definitely smashing my VRM temperature much more.

More voltage normally means more reliable but has been sending my VRM temp through the roof. All I was looking at was CPU temps ! I'm learning.
 
sityeuropa said:
I think I've found my issue.

Even though Premiere CC and RealBench are at 100% CPU usage, Premiere CC exporting is definitely smashing my VRM temperature much more.

More voltage normally means more reliable but has been sending my VRM temp through the roof. All I was looking at was CPU temps ! I'm learning.
Click to expand...

Could you open the side of your case and blow a desk fan or similar onto your VRMs and see if that solves the issue?

Be good to know if that's definitely the issue if you change nothing else.

I'll be using my Zen PC for a lot of Premiere encoding. So as I mentioned I may swap the cooler for the down-blowing type if you find cooling the VRMs helps.
 
Just having a quick play with my 1700 for the first time. Its rock solid at 3700mhz 1.225v (Which is showing 1.17-1.19 in CPUz full load) max temps of 51c. Will probably tweak it up to 3.8 tomorrow and leave it there.
 
Zhuni said:
Just having a quick play with my 1700 for the first time. Its rock solid at 3700mhz 1.225v (Which is showing 1.17-1.19 in CPUz full load) max temps of 51c. Will probably tweak it up to 3.8 tomorrow and leave it there.
Click to expand...

Snap.

3.7ghz 1.225v in bios as well (1.168v under the hardest loads)

3.5ghz is only 1.100v in bios (1.048v).

Unfortunately you can see where this is going. To get above 3.7ghz you just have to keep pumping up the voltage. 3.9ghz likely takes something in the low/mid 1.3xxx (under extreme load).

Yet to see someone get 4ghz under 1.4xxx.

I haven't tried 3.8ghz though.
 
muon said:
Snap.

3.7ghz 1.225v in bios as well (1.168v under the hardest loads)

3.5ghz is only 1.100v in bios (1.048v).

Unfortunately you can see where this is going. To get above 3.7ghz you just have to keep pumping up the voltage. 3.9ghz likely takes something in the low/mid 1.3xxx (under extreme load).

Yet to see someone get 4ghz under 1.4xxx.

I haven't tried 3.8ghz though.
Click to expand...

Spot on, for me im at 1.395 at 3.9. I went upto 1.45 for 4.0 and couldnt get get it stable. The heat is not the issue its just the voltage required. I'm not keen on going over 1.45
 
I guess a normal CPU fan generates some wind for the VRM's. My 240 aio will obviously have a lack of air for them.

I need some VRM heatsink cooling solution to be able to crank up the voltage.


What sort of VRM temperatures do you guys get on load?

You can check with HWInfo64 and look at usually the highest temp.

vrm.png
 
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