User’s ManualMX965Q2 191.4 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA775 socket designed for the Intel®LGA775 Core 2 Extreme / Core 2 Quad / Core 2 Duo / Core Duo / Pentium 4 / Celeron DCPU processors.z Make sure the AC power is off before you install the CPU.z If installing a dual-core CPU, connect the CPU fan cable to theCPU_FAN connector to ensure system stability.z Your boxed Intel® Core 2 Extreme / Core 2 Quad / Core 2 Duo /Core Duo / Pentium 4 / Celeron D CPU processors packageshould come with installation instructions for the CPU, heatsink,and the retention mechanism. If the instructions in this section donot match the CPU documentation, follow the latter.z Upon purchase of the motherboard, make sure that the PnP capis on the socket and the socket contacts are not bent. Contactyour retailer immediately if the PnP cap is missing, or if you seeany damage to the PnP cap/socket contacts/motherboardcomponents. Your place of purchase or local distributor willshoulder the cost of repair only if the damage isshipment/transit-related.z Keep the cap after installing the motherboard. Your place ofpurchase or local distributor will process Return MerchandiseAuthorization (RMA) requests only if the motherboard comes withthe cap on the LGA775 socket.z The product warranty does not cover damage to the socketcontacts resulting from incorrect CPU installation/removal, ormisplacement/loss/ incorrect removal of the PnP cap..