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Gigabyte x570 Pro Aorus & PBO

m4cc45

m4cc45

m4cc45

Soldato
Joined
10 Mar 2003
Posts
6,878
Hi

I guess this thread could be in motherboards or here so I've chosen here. On the latest BIOS it seems to ignore PBO setting in the BIOS. It seems to be on the latest BIOS (30a) when I noticed it. The CPU is a 3700x.

When launching Ryzen Master it shows the OC as Manual even though PBO is enabled in the BIOS (enabled rather than Auto). I can enable it in Ryzen Master and it's fine, with a massive improvement to the memory latency, but when I restart I have to enable it in Ryzen Master. It doesn't ask to restart either when enabling PBO.

Am I missing something? Is there another conflicting setting that needs to be changed to enable it?

Many thanks,


M.
 
This is something i have mentioned plenty of times on this forum and a lot of peeps just ignore. Ryzen Master has so many handles linked into the bios once you have installed it, you then have little to no control on the bios afterwards. Even if you change settings (other than ram) as soon as you get to Windows, Ryzen Master takes control of the bios.
There is only one foolproof way of gaining complete control of your bios. Re-flash the bios, then re-install Windows and don't install Ryzen Master.
 
As above. Ryzen Master will override a lot of BIOS settings. When I put in an incorrect memory overclock I couldn't do anything in BIOS to fix it, had to reflash in the end.
 
Unfortunately this has not resolved it.

I've installed Windows 2004, AMD Motherboard Drivers, patched and restarted. The memory was set in the BIOS and PBO set to Enabled (not Auto).

Every power saving thing I can find is off with the CPU set to FCLK of 1800 and the memory to 3600.

Previously, in MaxxMem 2, I'd get (using AMD Ryzen Master and enabling PBO manually in there):

Read: 34912 MB/s
Write: 29342 MB/s
Copy: 44174 MB/s
Latency: 67.7ns
Total: 36.14GB/s

Now, with the high performance power plan set, I get:

Read: 20998 MB/s
Write: 14420 MB/s
Copy: 27957 MB/s
Latency: 104.9ns
Total: 21.13 GB/s

Any other ideas?



M.
 
m4cc45 said:
Unfortunately this has not resolved it.

I've installed Windows 2004, AMD Motherboard Drivers, patched and restarted. The memory was set in the BIOS and PBO set to Enabled (not Auto).

Every power saving thing I can find is off with the CPU set to FCLK of 1800 and the memory to 3600.

Previously, in MaxxMem 2, I'd get (using AMD Ryzen Master and enabling PBO manually in there):

Read: 34912 MB/s
Write: 29342 MB/s
Copy: 44174 MB/s
Latency: 67.7ns
Total: 36.14GB/s

Now, with the high performance power plan set, I get:

Read: 20998 MB/s
Write: 14420 MB/s
Copy: 27957 MB/s
Latency: 104.9ns
Total: 21.13 GB/s

Any other ideas?



M.
Click to expand...

Has it tripped the IF to run at half speed?
 
Hi

No the IF was fine. What I needed was for PBO, under AMD overclocking, to be set to auto and then under CBS and then XFR there is another bit where you can change the PBO settings.

Changed them to:

PPT - 300
TDC - 230
EPC - 230

PBO Scalar = x4

And everything now seems to be back to normal.

Very weird and only occurred on BIOS 30a - the previous one (20?) was fine.



M.
 
Yeah I ended up watching videos on it and taking down notes as it's changed is so many places. This was the last place I could find to change it as well!

It seems Ryzen Master sets it in the right places but doesn't hold on to those settings which is a little bit of a pain.

Anyway it's all working so happy days!




M.
 
opethdisciple said:
By the way the 30a bios is an alpha. So expect bugs.

30b will be a beta and the final will just be 30.
Click to expand...
I notice your rig in your sig - mine is very similar apart from I have the Master mobo.
I am struggling to get the same ram to run at 3600 on cl14 - best I have managed so far is cl15.
Any advice?

Thanks
 
father-ted said:
I notice your rig in your sig - mine is very similar apart from I have the Master mobo.
I am struggling to get the same ram to run at 3600 on cl14 - best I have managed so far is cl15.
Any advice?

Thanks
Click to expand...

Typhoon burner, import a profile to dram calc. Punch in your settings and press fast.

It will give you the values you seek.

Assuming it's the same ram as mine (I have the 8 Pack 3200MHz CL14 stuff) then your settings should look like this:

Taiphoon-profile-3600-MHz-1-47v.jpg

The trick is working out what dram voltage it needs. It takes at least 1.47v on mine for stability. I've been stable for about a year using these settings but getting the occasional crash now in Watch Dogs legion, so tonight I am going to bump it to 1.48v.

It's hard to know if it's the game that is crashing or the ram. As the game is known to be very buggy at present.
 
Ok thanks, yes I already have those settings via Typhoon.
I am only using 1.45v so maybe that is why.....will try it at 1.47v
Wasn't sure if I could go that high tbh.

Thanks for the advice :)
 
father-ted said:
Ok thanks, yes I already have those settings via Typhoon.
I am only using 1.45v so maybe that is why.....will try it at 1.47v
Wasn't sure if I could go that high tbh.

Thanks for the advice :)
Click to expand...

Yup I need 1.47v. BFV stable and any other games for a good year.

However as I am seeing some CTD's with Watch Dogs Legion I've pushed it to 1.48v and am currently running HCI.

So far almost 200% passed with no issues.

---

400% passed of HCI at 1.48v.
 
Last edited:
Tried 1.47v and passed memtest no problems at cl14.
Even managed to tighten up some of the other settings as well.
Thanks for the advice, worked a treat :)
 
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