Upgrading Your System 4-5Modifying the System BoardThe following sections provide procedures for upgrading and configuring thesystem board in your system. Topics covered include:n Replacing the real-time clock batteryn Replacing the processor(s)n Installing or removing DIMMs.CAUTIONElectrostatic discharge (ESD) can damage add-in boardsand other components; place them on an antistatic surface.Modify the system board only at an ESD workstation.Otherwise, wear an antistatic wrist strap attached to chassisground.Replacing the Real-time Clock BatteryYou may need to replace the real-time clock battery because of its life span. Thebattery (Vendor Part #CR2032) is a commodity part available through manyvendors. Notice the plus (+) sign on the battery. This sign will assist you incorrectly positioning the battery on the system board.CAUTIONDanger of explosion if battery is incorrectly replaced.Replace only with same or equivalent type recommended bymanufacturer. Dispose of lithium batteries as required bylocal ordinance or as normal waste if no local ordinanceexists. Do not expose the component to excessive heat orfire. Keep all batteries away from childrenCAUTIONObserve static precautions. Use an antistatic wrist strap.
