MSI MEG X399 CREATION User Manual - Page 44
CPU_PWR1~2, ATX_PWR1, PCIE_PWR1: Power Connectors, supply especially when overclocking.
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CPU_PWR1~2, ATX_PWR1, PCIE_PWR1: Power Connectors These connectors allow you to connect an ATX power supply. 5 1 CPU_PWR1/ CPU_PWR2 8 4 1 Ground 5 2 Ground 6 3 Ground 7 4 Ground 8 +12V +12V +12V +12V 1 +3.3V 13 2 +3.3V 14 3 Ground 15 12 24 4 +5V 16 5 Ground 17 6 +5V 18 ATX_PWR1 7 Ground 19 8 PWR OK 20 1 13 9 5VSB 21 10 +12V 22 11 +12V 23 12 +3.3V 24 1 +12V 3 PCIE_PWR1 1 2 Ground 4 +3.3V -12V Ground PS-ON# Ground Ground Ground Res +5V +5V +5V Ground Ground +5V Important y Make sure that all the power cables are securely connected to a proper ATX power supply to ensure stable operation of the motherboard. y It is recommended that connect both CPU_PWR1 and CPU_PWR2 to 12V power supply (especially when overclocking). y It is recommended to use a power supply with more than 500W. 44 Overview of Components