ASUS A7V8X motherboard user guide2-12.1Motherboard installationBefore you install the motherboard, study the configuration of your chassisto ensure that the motherboard fits into it. The A7V8X uses the ATX formfactor that measures 12 inches x 9.6 inches (30.5 x 24.5 cm).2.1.1Placement directionWhen installing the motherboard, make sure that you place it into thechassis in the correct orientation. The edge with external ports goes to therear part of the chassis as indicated in the image below.2.1.2Screw holesPlace nine (9) screws into the holes indicated by circles to secure themotherboard to the chassis.Place this side towardsthe rear of the chassisDo not overtighten the screws! Doing so may damage themotherboard.Make sure to unplug the power cord before installing or removing themotherboard. Failure to do so may cause you physical injury anddamage motherboard components.