Dell OptiPlex GX520, Руководство пользователя

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Monitor the status of your computer, such as listening for thermal alerts from temperature probes or hard-drive failure alerts from storage devices.
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Change the state of your computer, such as updating its BIOS or shutting it down remotely.
A managed system is one that has Dell OpenManage Client Instrumentation set up on a network that uses IT Assistant. For information about Dell
OpenManage Client Instrumentation, see the
Dell OpenManage Client Instrumentation User's Guide available on the Dell Support website at support.dell.com .
Security
Chassis Intrusion Detection
This feature, if installed and enabled, detects that the chassis was opened and alerts the user. To change the Chassis Intrusion setting:
1. Enter system setup .
2. Press the down-arrow keys to move to the System Security option.
3. Press <Enter> to access the System Security option's pop-up menu.
4. Press the down-arrow key to move to the Chassis Intrusion setting.
5. Press <Enter> to select an option setting.
6. Press <Enter> again after you update the option setting.
7. Exit and save system setup.
Option Settings
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On — If the computer cover is opened, the setting changes to Detected , and the following alert message displays during the boot routine at the next
computer start-up:
Alert! Cover was previously removed.
To reset the Detected setting, enter system setup . In the Chassis Intrusion option, press the left- or right-arrow key to select Reset , and then choose
On , On-Silent , or Off .
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On-Silent (default setting) — If the computer cover is opened, the setting changes to Detected . No alert message appears during the boot sequence
at the next computer start-up.
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Off — No intrusion monitoring occurs and no messages appear.
Padlock Ring and Security Cable Slot
Use one of the following methods to secure your computer:
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Use a padlock alone or a padlock and looped security cable with the padlock ring.
A padlock alone prevents the computer from being opened.
A security cable looped around a stationary object is used in conjunction with a padlock to prevent unauthorized movement of the computer.
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Attach a commercially available antitheft device to the security cable slot on the back of the computer.
Antitheft devices usually include a segment of metal-stranded cable with an attached locking device and key. The documentation that comes with the
device contains instructions for installing it.
Password Protection
NOTE: When the administrator password is enabled, you must know the administrator password before you can reset the Chassis Intrusion setting.
NOTE: Before you purchase an antitheft device, make sure that it works with the security cable slot on your computer.
NOTICE: Although passwords provide security for the data on your computer, they are not foolproof. If your data requires more security, it is your
responsibility to obtain and use additional forms of protection, such as data encryption programs.