Intel Desktop Boards D845EPT2 and D845EBG2 Product Guide 22 Installing the I/O Shield The Desktop Boards D845EPT2 and D845EBG2 come with an I/O shield. When installed in the chassis, the shield blocks radio frequency transmissions, protects internal components from dust and foreign objects, and promotes correct airflow within the chassis. Install the I/O shield before installing the Intel desktop board in the chassis. Place the shield inside the chassis as shown in Figure 4.Press the shield into place so that it fits tightly and securely. If the shield doesnt fit, obtain a properly-sized shield from the chassis supplier. OM11543Figure 4. Installing the I/O Shield