4-2 Upgrading Your SystemGeneral Information! WARNINGThe DC push-button on/off switch on the front panel doesnot turn off the system AC power. Also, +5vdc is present onthe system board whenever the AC power cord is connectedbetween the system and an AC outlet. Before doing theprocedures in this manual, make sure that your system ispowered off and unplug the AC power cord from the back ofthe chassis. Failure to disconnect power before openingyour system can result in personal injury and equipmentdamage.! CAUTIONOperating your system with the top access cover removedcan damage your system components. For proper coolingand airflow, always replace the top cover before powering onyour system.WARNINGAvoid burns: If the system has been running, any installedprocessor and heat sink will be hot. To avoid the possibilityof a burn, be careful when removing or installingcomponents that are located near processors.Contact your service representative or dealer for a list of approved optionalperipheral devices.Static PrecautionsAn electrostatic discharge (ESD) can damage disk drives, option boards, andother components. You can provide some ESD protection by wearing anantistatic wrist strap attached to chassis ground when handling systemcomponents.Electronic devices can be easily damaged by static electricity. To preventdamage, keep them in their protective packaging when they are not installed inyour system.Equipment LogUse the equipment log form located at the end of this manual to record themodel and serial number of your system, all installed options, and any otherpertinent information specific to your system. You will need this informationwhen configuring your system.
