User Guide
Page 18
If your motherboard has two 8-pin connectors, the secondary is optional for improved overclocking. +12V GND BIOS Select Switch (Optional) The BIOS Select Switch is powered on the bottom edge of the motherboard. This jumper controls which of physical BIOS chips are used when the system is featured on select motherboards and located directly on . 18 EVGA X79 Motherboard 8-pin ATX 12V Power (PW12-1 & PW12-2) PW12-1 & PW12-2 (optional), the 8-pin ATX 12V power connections, are to be used to provide power to the connector and press firmly until seated. Align the pins to the CPU.
If your motherboard has two 8-pin connectors, the secondary is optional for improved overclocking. +12V GND BIOS Select Switch (Optional) The BIOS Select Switch is powered on the bottom edge of the motherboard. This jumper controls which of physical BIOS chips are used when the system is featured on select motherboards and located directly on . 18 EVGA X79 Motherboard 8-pin ATX 12V Power (PW12-1 & PW12-2) PW12-1 & PW12-2 (optional), the 8-pin ATX 12V power connections, are to be used to provide power to the connector and press firmly until seated. Align the pins to the CPU.