EVGA Z87 - 8 pin ATX 12 V Power

EVGA Z87 Motherboard
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8-pin ATX 12V Power
The 8-pin ATX 12V power connections are used to provide power to the CPU.
Align the pins to the connector and press firmly until seated. Your motherboard
may have one or two 8-pin power connectors, if it has two, either can be used
and the secondary is optional for improved overclocking.
BIOS Select Switch (Optional)
Some EVGA Z87 motherboard models have a BIOS select switch. The BIOS
Select Switch is located directly on the right edge of the motherboard. This
jumper controls which of physical BIOS chips are to be used when the system
is powered on.
GND
+12V