NOTE: With systems running under ACPI, power management settings are controlled from the PowerManagement Properties window in the Control Panel.A change to the Power Management option takes effect immediately (rebooting is not required).Primary Hard DrivePrimary Hard Drive displays the capacity of your computer's hard-disk drive. No user-selectable settingsare available for this option.Primary PasswordPrimary Password displays the current status of the primary password and allows you to assign or changethis password.Settings for this option are:Disabled (the default) — Indicates that no primary password is assignedEnabled — Indicates that a primary password is currently assignedIf you assign a primary password, the computer prompts you for the password each time you boot thecomputer.NOTICE: The password features provide a high level of security for the data in your computer.However, they are not foolproof. If your data requires more security, you should obtain and useadditional forms of protection, such as data encryption programs or PC Cards with encryptionfeatures.Ring/Event ResumeRing/Event Resume lets you determine if the computer exits suspend mode when an installed modem cardreceives an incoming call. This feature is supported if the optional internal modem is installed; to use thisfeature with a modem PC card, it must be supported by the PC Card and by your operating system.NOTE: With systems running under ACPI, power management settings are controlled from the PowerManagement Properties window in the Control Panel. Certain features require configurationthrough the Power Management Properties window and others may not function with ACPI.Settings for this option are:Enabled (the default) — Resumes normal operation when the computer detects a modem ringDisabled — Keeps the computer in suspend mode when the computer detects a modem ringNOTES: Dell recommends that you set Ring/Event Resume to Disabled when an external serialdevice, other than a modem, is connected to your computer.