Chapter 2: Installation Pin 1 Lever Notched Corner Processor (installed) Figure 2-1. FCPGA Socket: Empty and with Processor Installed (low power Pentium III shown) 2-3 Mounting the Motherboard in the Chassis All motherboards have standard mounting holes to fit different types of chassis. Chassis may include a variety of mounting fasteners made of metal or plastic. Although a chassis may have both types, metal fasteners are the most highly recommended because they ground the motherboard to the chassis. For this reason, it is best to use as many metal fasteners as possible. 2-3