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

harney · 7 Mar 2017 at 21:38

CAT-THE-FIFTH said:
It will be all run at stock since its bioinformatics type stuff,which runs for days at a time,maybe longer.

Although its not really required,do any motherboards support ECC memory,as IIRC the Ryzen IMC does support it(I think)?? If it doesn't its not a biggie since it is silly money anyway.

Yes a strange one with ECC ..it states with some boards it supports them but there is a * and then states will not run in ECC mode so pointless really ...but have a scout round it may have changed ..

Frozennova · 7 Mar 2017 at 21:47

nemesisuk2 said:
How odd, I can't find Vcore in the bios. Isn't under MIT voltages

It's under MIT -> Advanced Voltage settings(?) then the first option is Vcore.

It's an offset voltage so setting it to +.102 for example will give you around 1.3v

Yaayuh! · 7 Mar 2017 at 21:49

Haven't put Windows on yet but CPU temp is 38c in BIOS. How does this tally up with other's?

Scramz · 7 Mar 2017 at 21:51

AMDMatt said:
Clocking via the Ryzen Master Tool should allow you to apply a OC for gaming then reset to stock for idle/browsing situations where you want the processor to downclock and use less power.

Yes it does, thats a nice little tool.

CAT-THE-FIFTH · 7 Mar 2017 at 21:51

harney said:
Yes a strange one with ECC ..it states with some boards it supports them but there is a * and then states will not run in ECC mode so pointless really ...but have a scout round it may have changed ..

Just saw the price of ECC DDR4,vomit!! :eek:

Scramz · 7 Mar 2017 at 21:51

gavinh87 said:
Would you mind posting your o/c settings mate?

You on a Tomahawk?

Scramz · 7 Mar 2017 at 22:00

Panos said:
Have you managed to push the 1700 at 4.1? How much voltage it needed?
Also I do not remember your Ram and timings, could you please share them again?

4.1Ghz on sub 1.5v. Details in sig under CPU-Z valid

harney · 7 Mar 2017 at 22:02

CAT-THE-FIFTH said:
Just saw the price of ECC DDR4,vomit!!

If its bioinformatics type stuff and is on for days and the data is really important then my choice would be full ECC support needed ...But I have builds here that do render runs for a few days and that's on normal ram but i have the speed and timings very relaxed on them when i do so
..and if it does crash its not major i just rerun but most of the time problems down to power outage but its rare i am on ups modded with 3 deep cell solar batteries ..this should give me a good 3 to 5 hours

harney · 7 Mar 2017 at 22:05

Scramz said:
4.1Ghz on sub 1.5v. Details in sig under CPU-Z valid

they really hit the roof above 4 ghz re volts be interesting how much its pulling from the wall ....3.8 seems to be the sweet spot

Scramz · 7 Mar 2017 at 22:06

harney said:
they really hit the roof above 4 ghz re volts be interesting how much its pulling from the wall ....3.8 seems to be the sweet spot

Yeah, 3.9 is at 1.32, 4.0 need 1.4ish then 4.1 need 1.5ish. Big jumps for it all to be completely stable on realbench. Cinebench and that can run at much lower volts but its not truly stable of course.

Panos · 7 Mar 2017 at 22:07

Scramz said:
4.1Ghz on sub 1.5v. Details in sig under CPU-Z valid

Does the Tomahawk supports bus overclocking, to raise the bus and lower the multiplier? Because that jump in power between 3.9 and 4.1 reminds me the X79 boards.
They did the same thing when we tried to OC straight on with strap 1.00, needing more power.
While with 1.25 strap, were able to get better overclocking for less power somehow.Adding up bit more power to the VRAM and all was working nicely with the
And X79 was a pretty much mature tech by 2013.

Scramz · 7 Mar 2017 at 22:09

Panos said:
Does the Tomahawk supports BLC overclocking, to raise the bus and lower the multiplier? Because that jump in power between 3.9 and 4.1 reminds me the X79 boards.
They did the same thing when we tried to OC straight on with strap 1.00, needing more power.
While with 1.25 strap, were able to get better overclocking for less power somehow. And X79 was a pretty much mature tech by 2013.

No, at the moment the bios is missing lots of features. I have been following the MSI forums for beta bios which are now bring bigger updates each time.

V1 biss took 60 seconds from press the on button to getting the windows loading screen! LOL. Now is much much less.

CAT-THE-FIFTH · 7 Mar 2017 at 22:12

harney said:
If its bioinformatics type stuff and is on for days and the data is really important then my choice would be full ECC support needed ...But I have builds here that do render runs for a few days and that's on normal ram but i have the speed and timings very relaxed on them when i do so
..and if it does crash its not major i just rerun but most of the time problems down to power outage but its rare i am on ups modded with 3 deep cell solar batteries ..this should give me a good 3 to 5 hours

Well TBH,he is running stuff currently on a Phenom II X6 rig I built for him a few years ago with 16GB of normal DDR3,which has lasted a few years and has been very solid indeed. Its more for stuff he does in his spare time(LOL).

harney · 7 Mar 2017 at 22:14

Scramz said:
Yeah, 3.9 is at 1.32, 4.0 need 1.4ish then 4.1 need 1.5ish. Big jumps for it all to be completely stable on realbench. Cinebench and that can run at much lower volts but its not truly stable of course.

3.9 @1.32 that's perfect...
now lets get on the Ryzen V2 doodlebug hype train ......will be very interesting what that can do ....

harney · 7 Mar 2017 at 22:17

CAT-THE-FIFTH said:
Well TBH,he is running stuff currently on a Phenom II X6 rig I built for him a few years ago with 16GB of normal DDR3,which has lasted a few years and has been very solid indeed. Its more for stuff he does in his spare time(LOL).

Yes he should be fine with mere peasant ddr 4 ram my advice is just memtest+ the hell out of em but run in the system there going to be used in for about 10 + loops

nemesisuk2 · 7 Mar 2017 at 22:19

Frozennova said:
It's under MIT -> Advanced Voltage settings(?) then the first option is Vcore.

It's an offset voltage so setting it to +.102 for example will give you around 1.3v

Yes was having a moment of idiocy. Though after chatting to a gigabyte support rep. They were saying there wasn't and it was a hardware limitation. They also handed me a F6a bios which seems to of added to the performance a little.

Andy321 · 7 Mar 2017 at 22:33

Can't get my 16gb Corsair LPX 3000mhz kit above 2400 with the MSI tomahawk board. Anyone else had better luck with this board and can possibly help? What's the safe max DRAM voltage for Ryzen?

CAT-THE-FIFTH · 7 Mar 2017 at 22:38

harney said:
Yes he should be fine with mere peasant ddr 4 ram my advice is just memtest+ the hell out of em but run in the system there going to be used in for about 10 + loops

Yeah - once he gets around to deciding the actual parts,I will make sure it gets some tests first before signing it off.

Popov · 7 Mar 2017 at 22:41

Andy321 said:
Can't get my 16gb Corsair LPX 3000mhz kit above 2400 with the MSI tomahawk board. Anyone else had better luck with this board and can possibly help? What's the safe max DRAM voltage for Ryzen?

You should be getting the stated speed and timings at the normal 1.35 volts, if not you'd probably be best off waiting for a bios update than over-volting the ram as that's unlikely to help.

Andy321 · 7 Mar 2017 at 23:00

Popov said:
You should be getting the stated speed and timings at the normal 1.35 volts, if not you'd probably be best off waiting for a bios update than over-volting the ram as that's unlikely to help.

The RAM is 15-17-17-35 @ 1.35v. Won't boot set as XMP. Won't boot when set manually at 2400/2666 or 2933 all with 1.35v. It will only boot at 2400 @ 1.380, but scared to push more as I don't know the voltage limits. The boards default setting is 2133 @ 1.2v and it works fine at that.

Looks like waiting for a BIOS update

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