... install and use Computer Power Supply Tester Description: 1) Turn-on your power supply2) Plug-in your 24 pin power supply connector to mini tester ... +12V, +5V 5) Remove HDD, plug p4(p6/p8)con, check +12V 6) Remove p4(p6/p8)con, plug FLOPPY con, check ... , 5V Stand by (SB) 12V, power Good(PG) 3) Connectors: Floppy, HDD, CDROM, SATA, 4pin(P4), 8pin(Dual-CPU), 6pin(PCI-Express ...