Dell OptiPlex GX1 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC S - Page 166
Hard Disk Only - remove password
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Chassis Intrusion DAC Snoop ACPI Keyboard Errors System Password Password Status Boot Sequence Setup Password Enables or disables the chassis intrusion feature. If computer cover is removed when the option is set to Enabled, the setting changes to Detected. (An alert message is also displayed during the boot sequence at system start-up.) To clear this field and allow future intrusions to be detected, enter the System Setup program during the system's POST and press any key. This action changes the setting from Detected to Enabled. The option can also be set to Disabled to turn off the chassis intrustion feature, or Enabled-Silent, to prevent the alert message from being displayed at system start-up. When enabled, this option lets you correct video problems that may occur when certain video add-in cards are used. The default is Off. If you are using a video add-in card and problems such as incorrect colors or blank windows occur, set DAC Snoop to On. This option controls the operation of the system's Advanced Configuration and Power Interface (ACPI) feature. When ACPI is set to On, momentarily pressing the power button places the system in a power-saving mode. To turn the system off completely, press the power button for more than four seconds. When ACPI is set to On, interrupt request (IRQ) line 9 is not available for use by an expansion card. When ACPI is set to Off, momentarily pressing the power button turns off the system completely. With this setting, IRQ9 is available for use by an expansion card. Enables or disables reporting of keyboard errors during POST. Displays current status of system's password security feature. Also used to assign and verify a new password. Provides an extra measure of system security by letting you set the system password to Locked or Unlocked. Boot Sequence can be set to Diskette First (the default option), Hard Disk Only, CD-ROM First, or Device List. Restricts access to System Setup program. A-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual