Hello, guys! Please help me, I believe you can. I have 3 cards MSI Armor OC 8gb RX580's and I've edited their vBIOSes with Polaris Bios Editor and SRBPolaris 3.5 to slightly downclock and downvolt core of them to 875mv and after that on my Windows 7 rig with "dag fix" drivers atikmdag 22.19.659.1 27.07.2017 they showed about 938mv in AB (v 4.4.0 beta 16) and thus I've downvolted them via AB to about 900-912mv (that was my goal) and all was ok and stable. I'd mention that I've set static voltages (like 875) in PBE for all core frequencies (at first I've set 900 mv, but after the problems I'll describe further, I set it to 875, but result was the same). Now I've had to migrate to Windows 10 and: with the same drivers (but from separate .inf file that is for windows 10) they show 938mv in HWinfo, but AB voltage monitoring and control didn't work (the slider was greyed) whatever I did.. Then I've followed the instructions to set VDDC_Generic_Detection=1 in AB's cfg files and this enabled the slider (but not voltage monitoring) and minimum voltage to set is 800mv, but it appeared that with this slider I can only increase voltage, but it still doesn't go lower than 938 mv. I also tried OverdriveNtool and it also only can increase voltage.. I've been doing all this mostly blindly, not knowing the vBIOS algorithms and/or formats. So, can you please:
1. Advice me how to get voltage monitoring/control in AB enabled (maybe different drivers/AB version, etc)
2. Explain why this low limit of voltage (938mv) appeared and what causes it (driver? vBIOS?) or point me to some guide or FAQ where it is explained.
3. Point me to some guide or FAQ to Polaris vBIOS algorithms, tables, PowerPlay, vBIOS and driver interaction, etc because I'd like to know what I'm doing and I still haven't find any..
Last edited by NKSoft; 07-21-2019 at 04:27 AM.