3-73Power ManagementPower management saves electricity and extends battery life by controlling powersupply to built-in devices. You can set the following power management properties inWindows XP.• Stopping power supply to the hard disk• Stopping power supply to the display• Using System standby/hibernateTo open Power Options Properties dialog box, click start – Control Panel, and clickPerformance and Maintenance; then, Power Options. If Classic view is selected,double-click Power Options icon.Note that the power management may not seem to function when you areusing an application program that accesses the hard disk periodically.Stopping Power Supply to the Hard Disk1. In the Power Options Properties dialog box, select Power Schemes tab.2. Set Turn off hard disks to an appropriate value, and click OK.3. Close the Control Panel window.Stopping Power Supply to the DisplayThis procedure is also effective for a connected external monitor complyingwith power management.1. In the Power Options Properties dialog box, select Power Schemes tab.2. Set Turn off monitor to an appropriate value, and click OK.3. Close the Control Panel window.