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B650A motherboard can't change memvdd and memvddq

QWERTYWNC
Level 7

Hi all,

Recently I got my  ROG Strix B650A MB and tried some memory overclock. As the graph show below, I tried to modify its memvdd and memvddq in bios:

 

 DD4BB1342E44B396131E1700BFB22411.jpg

but then after using zentime, it shows the memvdd and membddq are remains the same:

 

1A662EBAB8F6259B7120143F20884908.png

 

Is this because I am using expo2 rather than expo1 so everything about memory is stricly the memory pre-set? Or...

 

 

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1 REPLY 1

Silent_Scone
Super Moderator

Hi @QWERTYWNC 

Check with HWInfo

I doubt that's right. The memory likely wouldn't post with VDD/VDDQ that low at that frequency. 

What is set in BIOS is what is being received, note that there might be slight deviation due to the VID and realtime voltage not being the same.

13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090