b450m-hdv

Forum discussion tagged with b450m-hdv.
  1. W

    Question Why is my B450M-HDV R4.0 Chassis Fan Speed 100%?

    Unable to control my B450M-HDV R4.0 fan speeds even after adjusting in bios and speedfan they just blast full on. Ryzen 3 2200g 16gb ddr4 3200 on the xmp2 profile. bios v 3.7 I have 2 x 140mm Rosewill fans on intake connected a pwm fan splitter into the 4pin chassis fan connector and 1 x 140mm...