Please follow below instructions according to the OS you install. Then you are allowed to select 2 Channel or 4 Channel. Click Power to save your change. It delivers excellent performance with robust design conforming to ASRocks commitment to quality and endurance. This Quick Installation Guide contains introduction of the motherboard and step-bystep installation guide. More detailed information of the motherboard can be found in the user manual presented in the Support CD. Because the motherboard specifications and the BIOS[…]