... ) 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/ ...