3VSBSW# signal affect FSB-VTT(P5G41-M) -Mainboard repair
In this P5G41-M
1. O_3VSBSW# come from IO (W83627DHG-A) Pin 91
usually S0 enter S3 state, this signal pull down to 0 to cut Major voltage supply.
So normal operation it is +3V.
2.In this case,resistor arrays defective causes P_5V_DUAL_M_# signal not been pull down to 0.
3. The high voltage level P_5V_DUAL_M_# pull down +1.2V_reference to ground,
LM324 could not produce +1.2V (FSB-VTT)