4-4 Disassembly and Reassembly Label all removed connectors. Note where the connector goes and inwhat position it was installed. On completion of any reassembly, plug in the power cords and power onthe system unit.Contact your sales 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.Preparing Your System for Disassembly andReassemblyDepending on the upgrade, you will need one or more of the following tools: Phillips screwdriver (#1 bit and #2 bit) Flat-head screwdriver Small needle nose pliers Pen or pencil ESD workstation or antistatic wrist strap (recommended)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.Opening the Front DoorTo open the front door (see "Front View with Front Door Opened" inChapter 2.)