... , +5V , -5V , +3.3V , +5V Stand by (SB) 12V power Good ( PG ) Connectors : Floppy, HDD , CDROM , SATA , 4pin ( ... and ITX compliant, power supplies can be tested. LCD`s indicate the status of voltage .The PC ... P8 into the corresponding jack of the power test suitePower on the supply of power, will hear "DuDu" ring ... , if no flicker then the power supply output ...