... tester Voltage test :+12V, -12V, +5V, -5V, +3.3V,+5V Stand by (SB) 12V power Good ( PG )Voltage ... tradeThe methods of operationPlug power supply 24 pin and P4,P6 or P8 into the corresponding jack of the ... /24pin(ATX-connector) Voltage test:+12V,-12V,+5V,-5V,+3.3V,5V stand by (SB) 12V power good(PG ... ) Connectors:floppy,HDD,CDROM,SATA,4pin(P4),8pin(Dual-CPU),6pin(PCI-Express) power supply tester