1) Turn-on your power supply

2) Plug-in your 24 pin power supply connector to mini tester

3) Check LED light if ON or OFF (+5V, +12V, +3.3V, -5V, -12V, +5VSB, PG)

4) Plug HDD con, check +12V, +5V

5) Remove HDD, plug p4(p6/p8)con, check +12V

6) Remove p4(p6/p8)con, plug FLOPPY con, check +12V, +5V

7) Remove Floppy con, plug SATA con, Check +12V, +5V, +3.3V

* Specification

1) Voltage source: 20/24pin(ATX-connector)

2) Voltage test: +12V, +12V, +5V, -5V, +3.3V, 5V Stand by (SB) 12V, power Good(PG)

3) Connectors: Floppy, HDD, CDROM, SATA, 4pin(P4), 8pin(Dual-CPU), 6pin(PCI-Express)