I wanted to overclock the DRAM and found some bugs.

ASRock AB350M

Ryzen 5 1600

HyperX Predator HX432C16PB3K2/16

We have three UEFI (2018):

P4.60, P4.50, P4.40.

CPU overclocking is degrease DRAM performance in P4.60, P4.50. DRAM overclocking give nothing in this situation. But it really works. I can change a frequency, timings and DRAM voltage.

https://pixhost.to/show/359/74162681_185.png" rel="nofollow">

DRAM performance is normal with CPU overclocking in P4.40.

https://pixhost.to/show/359/74162682_195.png" rel="nofollow">

I can change timings.

https://pixhost.to/show/359/74162683_217.png" rel="nofollow">  

I cannot force DRAM voltage. It fixed like to XMP value (1.35 V). Increase is reset (to 1.35 V) after system reboot.

https://pixhost.to/show/359/74162684_197.png" rel="nofollow"> https://pixhost.to/show/359/74162686_198.png" rel="nofollow"> https://pixhost.to/show/359/74162688_199.png" rel="nofollow">

I use P4.40 for today, but want to change a DRAM Voltage.

Help me please!