Rudolf, > > Yes DC/PWM settings were already removed from W83793 and imho not > > implemented on EHF too. I haven't used a scope to trace the signal, but a little testing shows that when I change the w83627ehf from PWM to DC mode, I get a different response from the fan. The w83627ehf does support PWM and DC mode. It defaults to PWM mode on my motherboard. David
