I have a PowerColor PCS+ HD7870 Myst. Edition 2GB - Tahiti Le but i cant change the VDDC.
I tried with Trixx 4.4b, Asus GPU Tweak 22.214.171.124, PowerUp Tuner 0.2.1, MSI AB 2.3.0.
The card uses a CHiL CHL 8225 for voltage control. It offers monitoring and software voltage-control features and...