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  Topic Review (Newest First)
05-24-2020 06:33 AM
Myzrael
Quote: Originally Posted by Ilias83 View Post
Hello,
I own this M/B two years now and I really cannot understand its behavior.
I bought it as an upgrade after RMA on my Gigabyte X370 Aorus Gaming 5 WiFi.
I had a Ryzen 7 1700 CPU and 2x8GB Corsair Vengeance LPX 3200MHz (16-18-18) RAM that was working Stock 24/7 with no problem at all.
I just had to set RAM timings manually.

After the upgrade whatever I had tried I could not make RAM work @ 3200MHz with stock RAM Voltage @ 1.35v.

A couple of months ago I switched both CPU and RAM for a Ryzen 7 2700x and G.Skill Aegis 2x16GB 3000MHz (16-18-18) chip set of RAM that are actually Samsung B-Die!
I tried to overclock 2700x but I was unlucky as I needed 1.425 VCore for 4.2GHz. I could overclock RAM to 3200MHz with stock timings.
Enabling PBO was certain a way to get better CPU scores on benchmarks but it was loading the CPU with 1.5V.

Just yesterday I finally bought a Ryzen 9 3900X and I ended up with outstanding performance from my M/B.
I know that 3900X is not a CPU that you can easily overclock but M/B seems to regulate voltage perfectly and I managed to overclock RAM to 3600MHz (16-19-19) with 1.41V. It is also capable of booting on 3733MHz (18-21-21) but i get worst latency than on 3600MHz.

I'm totally amazed from that behavior, I think that Gigabyte had put more effort in designing BIOSes for 3x00 CPUs than 2x00. I have no other explanation.

The only reason to change this M/B for a X570 one is to get my two WD Black SN750 NVMEs work right on Raid. But I can live without Raid.
i don't think it's a bios problem, the imc in ryzen 3000 is way better than in ryzen 2000, same between 2000 and 1000. I could hardly reach 3466mhz with my flarex and my 2700x. With 3700x i was at 3733, now i'm at 3600 with 32gb and 4 sticks.
Imc is just getting better, with ryzen 4000 we'll probably get even higher with same mobo and ram.
05-23-2020 11:40 AM
Hequaqua Do you have the infinity fabric set to half the ram speed?
Sometimes higher speeds aren't necessarily better all the time. It comes down to timings.
05-23-2020 11:23 AM
Ilias83 Hello,
I own this M/B two years now and I really cannot understand its behavior.
I bought it as an upgrade after RMA on my Gigabyte X370 Aorus Gaming 5 WiFi.
I had a Ryzen 7 1700 CPU and 2x8GB Corsair Vengeance LPX 3200MHz (16-18-18) RAM that was working Stock 24/7 with no problem at all.
I just had to set RAM timings manually.

After the upgrade whatever I had tried I could not make RAM work @ 3200MHz with stock RAM Voltage @ 1.35v.

A couple of months ago I switched both CPU and RAM for a Ryzen 7 2700x and G.Skill Aegis 2x16GB 3000MHz (16-18-18) chip set of RAM that are actually Samsung B-Die!
I tried to overclock 2700x but I was unlucky as I needed 1.425 VCore for 4.2GHz. I could overclock RAM to 3200MHz with stock timings.
Enabling PBO was certain a way to get better CPU scores on benchmarks but it was loading the CPU with 1.5V.

Just yesterday I finally bought a Ryzen 9 3900X and I ended up with outstanding performance from my M/B.
I know that 3900X is not a CPU that you can easily overclock but M/B seems to regulate voltage perfectly and I managed to overclock RAM to 3600MHz (16-19-19) with 1.41V. It is also capable of booting on 3733MHz (18-21-21) but i get worst latency than on 3600MHz.

I'm totally amazed from that behavior, I think that Gigabyte had put more effort in designing BIOSes for 3x00 CPUs than 2x00. I have no other explanation.

The only reason to change this M/B for a X570 one is to get my two WD Black SN750 NVMEs work right on Raid. But I can live without Raid.
05-14-2020 12:59 PM
Myzrael
Quote: Originally Posted by tsamolotoff View Post
Not really, just a lot of grueling trial and error and sometimes, very rarely, educated guesses. I never tried lowering the voltages, I just set it at 1.49V, put a fan on top of sticks and keep the temperature below 50C (not that easy to do, actually, with Vega 56 @ 300+ W directly under the memory with bottom-up airflow case). I hoped all this work will pay off with zen3, but, haha, who knew what AMD had planned for us. Hopefully there will be some way to upgrade, although this announcement (and blithe and very lazy lie about EEPROM size limitations) was a downer for sure.
Yeah that's a backstab from amd really, i hope the pressure from the community will make them change their plans but i doubt it
05-13-2020 04:45 AM
tsamolotoff
Quote: Originally Posted by Myzrael View Post
You really push it to the limit, especially considering you use 4 sticks. Impressive work. May i ask you the voltages? pretty high i suppose
Not really, just a lot of grueling trial and error and sometimes, very rarely, educated guesses. I never tried lowering the voltages, I just set it at 1.49V, put a fan on top of sticks and keep the temperature below 50C (not that easy to do, actually, with Vega 56 @ 300+ W directly under the memory with bottom-up airflow case). I hoped all this work will pay off with zen3, but, haha, who knew what AMD had planned for us. Hopefully there will be some way to upgrade, although this announcement (and blithe and very lazy lie about EEPROM size limitations) was a downer for sure.
05-13-2020 03:15 AM
Myzrael
Quote: Originally Posted by tsamolotoff View Post
Depends on the config, I had it at 36.9 Ohm with two sticks and run at 48 (for 3800) or 43.8 (for 4333) with four e-die sticks (3200 LT and 3600 U4Rs). Going higher inevitably causes F9 and CMOS reset.
You really push it to the limit, especially considering you use 4 sticks. Impressive work. May i ask you the voltages? pretty high i suppose
05-12-2020 01:20 PM
arkantos91 Hi guys, today something odd happened.

When I turned on my computer, system time was wrong (date was right) and then I suddenly noticed also motherboards leds were changed... in fact when I went into BIOS it said a reset was performed, like a clear CMOS.

I didn't do anything, nor I had a power loss last time I used my PC before today.

The board was bought new in june 2018 so I don't think it's the battery draining off (less than 2 years)... or can it be?

Should I worry? First time this thing is happening.
05-12-2020 11:42 AM
tsamolotoff
Quote: Originally Posted by ribosome View Post
I'm just puzzled because it seems to be extremely rare for people to need to run their SOC voltage so high, as far as I've seen.
It's probably 100% CPU dependent, I know a guy who has a 3900x that could not reliably work at 1900 until he actually lowered one of IF voltages while keeping SoC voltage at stock 1.1V. Also, you might try the abovementioned CADs, but I doubt it'll help your decrease VSoC (it might get memory more stable, but not really IF-related stuff)
05-12-2020 11:39 AM
tsamolotoff
Quote: Originally Posted by paih85 View Post
anyway what your procodt setting? mine cannot boot with 120-24-24-24.
Depends on the config, I had it at 36.9 Ohm with two sticks and run at 48 (for 3800) or 43.8 (for 4333) with four e-die sticks (3200 LT and 3600 U4Rs). Going higher inevitably causes F9 and CMOS reset.
05-12-2020 11:38 AM
tsamolotoff
Quote: Originally Posted by paih85 View Post
thanks..it seems working. is it because of our board T-Topology? my friend with same ram kit & cpu with x570 motherboard can run exactly same latest calculator wihout any problem.
No, it actually helps all kinds of motherboards (and I'm not sure G7 is T-topology as it does 4466 2x8 and 4333 4x8 (which I managed to stabilize after 3 or 4 days of PAIN, while 4466 worked without any tinkering at all)). Real T-boards (like C6H) can't go above 4100 reliably, so it's something else, most probably.
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