2-18 Using Your Computer2. Remove any diskette from the diskette drive. If you havea CD in the CD-ROM reader, remove the CD. If youhave a Zip disk in a Zip drive, remove the disk.3. Turn off the system unit and any external optionsconnected to it.4. Unplug the system unit power cable from the wall outletor surge suppressor, then from the unit itself.5. Unplug any external options from the wall outlets orsurge suppressor, then disconnect them from the systemunit.6. Pack the system components in the original shippingmaterials and cartons. If these are not available, be sureto use adequate packing materials to protect thecomponents.BATTERY REPLACEMENTAll system boards use a battery to maintain systemconfiguration information. Your system uses a coin-sizedbattery mounted on the system board (see the followingfigure). If it fails to maintain system configurationinformation, replace it with an identically rated battery fromthe same manufacturer.
