682 Hardware InstallationPower ConnectorsUse a power supply that complies with the ATX12V Power SupplyDesign Guide Version 1.1. An ATX12V power supply unit has astandard 24-pin ATX main power connector that must be insertedonto CN10.Your power supply unit may come with an 8-pin or 4-pin +12Vpower connector. The +12V power enables the delivery of more+12VDC current to the processor’s Voltage Regulator Module(VRM). If available, it is preferable to use the 8-pin power; otherwiseconnect a 4-pin power connector to CN11 as shown below.U32X1 311 2 2 4+3.3VDC+3.3VDCCOM+5VDCCOM+5VDCCOMPWR_OK+5VSB+12VDC+12VDC+3.3VDC+3.3VDC-12VDCCOMPS_ON#COMCOMCOMNC+5VDC+5VDC+5VDCCOM24-pin ATXU32X8-pin +12V+12V Ground8541
