2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for the 24-pin and 4-pin power plugs from the
power supply unit. The plugs from the power supply unit are designed
to t these connectors in only one orientation. Find the proper
orientation and push down rmly until the connectors completely t.
Do not forget to connect the 4-pin ATX12V power plug to the ATX12V
connector on the motherboard; otherwise, the system will not boot up.