Change dram frequency

[nipav]

Hi guys, I'm trying to downgrade my dram frequency (from 3600mhz to 3200mhz) because of some system problems. I know nothing about bios and stuff. Can anyone help me? Also except from DRAM freq do i need to change anything else like timings, voltage etc?
My bios look like that.

cpu: ryzen 5 5600g
mobo: gigabyte b550m ds3h

thank you!

 

[nipav]

yes, disabling it sets my dram freq to 2133mhz. My problem is i'm trying to find where i can change it manually to 3200mhz but i can't!

 

[nipav]

Corsair Vengeance RGB Pro 16GB (2X8GB) DDR4 3600MHz
my main problem is that i don't know exactly how to change it and i don't want to mess up with my system.

 

[nipav]

i set fclk freq at 1600mhz and voltage to 1.35V and it booted normally. It's still running on 3600mhz though but i guess im limiting it now as if i had 3200mhz speeds.

 

[nipav]

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idk if you can see

 

[nipav]

i disabled it now and its seems its running at 2133mhz

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[nipav]

Well i think now it's done. It looks like this, tell me if something need to be changed

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[nipav]

Thank you very much everyone for your help i really appreciate it!!! Have a nice day.