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  Topic Review (Newest First)
08-03-2020 04:08 AM
Trivo
Quote: Originally Posted by BK-Morpheus View Post
Luckily it still is using the CPU temp sensor from the MB.
If it would use the CPU internal Tdie sensor, the fanspeeds would be all over the place (even with fan speed smoothing) for no reason, because high speed fans do nothing, when you got one core with high load and Tdie 70°C while heatspreader and CPU cooler are still at 44°C.
Yeah, I am aware for the reasoning behind the change in the first place, but I also feel that's personal preference and the choice shouldn't be taken out. Not everyone is using the stock "AMD fans go brr". In my testing I found out there was a significant lag before you get to see response to consistent load increase - about at least 15-20s, sometimes longer.
08-02-2020 05:10 AM
ObscureScience My 3600x doesn't respond at all to PBO settings either.
08-02-2020 04:30 AM
makatech
Quote: Originally Posted by zajin View Post
I get absolutuely no difference in i.e Cinebench R20 with PBO set to Enabled. I will try your settings and see if makes a difference.
Do you need to eneable it both places in the BIOS?
I actually got these PBO settings approximately a year ago from another guy (from a tech forum in Sweden) running X3700 on a X370 board (not the Prime board though) and I have been running them ever since.

Maybe (probably) these settings are not working well for the 3600X, I have the 3700X

It's really strange you get no boost in benchmarks at all when running PBO.

I only configure the PBO section in the Ai Tweaker part in bios myself, not touching the other place for configuring PBO in the advanced section.

Cooling making a difference too for PBO though, I have this AIO:
https://www.corsair.com/us/en/Catego.../CW-9060038-WW

I run my Samsung B-die RAM in 3600MT/s and i have a small RAM fan as well, this one:
https://images.anandtech.com/doci/15...M%20Cooler.jpg
08-02-2020 01:25 AM
zeroprobe EDIT:

I've just found out it is normal for Ryzen 3000 to boost CPU voltages to 1.48v when idle.
08-01-2020 04:08 AM
zajin
Quote: Originally Posted by makatech View Post
Extremely strange, never heard of that before, you don't get higher scores in Cinebench R20 or Geekbench 5 with PBO enabled and configured?

I have a 3700X and I definitely get higher scores when having PBO enabled.

I don't know what kind of values you need for a 3600X CPU though but I am running the following:

Current PBO settings:
ppt 122
tdc 86
edc 89
100MHz
Scalar = 5x
auto throttle limit

LLC auto, 140%, Asus Optimized and 500kHz switching freq (I don't think these Digi VRM settings are necessary though)

Running RAM in 3600MT/s

Geekbench 5
single score 1327
multi-core 9973

Cinebench R20
multicore 5002
I get absolutuely no difference in i.e Cinebench R20 with PBO set to Enabled. I will try your settings and see if makes a difference.
Do you need to eneable it both places in the BIOS?
07-30-2020 01:35 AM
BK-Morpheus
Quote: Originally Posted by Trivo View Post
To those who already updated to the new 5601 and are on Zen2, could you check in BIOS if there is now an option to choose which temperature sensor is used for the CPU fan curve? Is it still the motherboard one only?
Luckily it still is using the CPU temp sensor from the MB.
If it would use the CPU internal Tdie sensor, the fanspeeds would be all over the place (even with fan speed smoothing) for no reason, because high speed fans do nothing, when you got one core with high load and Tdie 70°C while heatspreader and CPU cooler are still at 44°C.
07-29-2020 11:44 PM
Trivo To those who already updated to the new 5601 and are on Zen2, could you check in BIOS if there is now an option to choose which temperature sensor is used for the CPU fan curve? Is it still the motherboard one only?
07-29-2020 03:48 PM
sauropod
Quote: Originally Posted by makatech View Post
Extremely strange, never heard of that before, you don't get higher scores in Cinebench R20 or Geekbench 5 with PBO enabled and configured?
I've never used PBO, but my scores without it align with what they should be. 1004b beta was just never stable. I also think that it never idled properly on 1004b or something like that, now it does and in ryzen master I can see all the cores sleep when they're doing nothing. All seems good now.
07-29-2020 09:55 AM
makatech
Quote: Originally Posted by sauropod View Post
I'm glad the new bios is out. The old beta bios was very unstable for me. So far 5601 is okay so far as I haven't had any hard reboots like the old one did at stock settings. Just to make sure 1.1v vSOC isn't unsafe is it? I don't remember what it was before. I am running a 3600x.
Extremely strange, never heard of that before, you don't get higher scores in Cinebench R20 or Geekbench 5 with PBO enabled and configured?

I have a 3700X and I definitely get higher scores when having PBO enabled.

I don't know what kind of values you need for a 3600X CPU though but I am running the following:

Current PBO settings:
ppt 122
tdc 86
edc 89
100MHz
Scalar = 5x
auto throttle limit

LLC auto, 140%, Asus Optimized and 500kHz switching freq (I don't think these Digi VRM settings are necessary though)

Running RAM in 3600MT/s

Geekbench 5
single score 1327
multi-core 9973

Cinebench R20
multicore 5002
07-29-2020 09:53 AM
makatech
Quote: Originally Posted by Gacrux View Post
I modded the 5601 bios to show SB Clock Spread Spectrum and flashed in my motherboard.

Loaded default settings, set the option to disabled and saved the profile.

Now when you load the profile in a non-modded 5601 bios, SB Clock Spread Spectrum will be set to disabled even if is not shown in Ai Tweaker tab.

Myself and zajin tested and it's working.

VR Spread Spectrum switch under Digi VRM+ has no effect on CPU bus clock.
Thank you, it worked perfectly, highly appreciate it!! :-)

Question: Is this having any affect on actual performance or it is just for show/visual?
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