Dell OptiPlex GX260 User Guide - Page 118

Chassis Intrusion, NOTICE, CAUTION

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1 card cage 2 serial adapter cable 3 serial adapter system board connector (SER2) NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into the computer. 11. Close the computer cover, reconnect the computer and devices to their electrical outlets, and turn them on. After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next computer start-up: ALERT! Cover was previously removed. 12. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled-Silent. NOTICE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. Removing a Serial Port Adapter CAUTION: Before you begin any of the procedures in this section, follow the steps in "CAUTION: Safety Instructions." CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 1. Perform an orderly computer shutdown using the operating system menu. NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack. 2. Turn off any attached devices and disconnect them from their electrical outlets. 3. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

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1
card cage
2
serial adapter cable
3
serial adapter system board connector (SER2)
NOTICE:
To connect a network cable, first plug the cable into the network wall jack, and then plug it into the
computer.
11. Close the computer cover, reconnect the computer and devices to their electrical outlets, and turn them on.
After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear
on the screen at the next computer start-up:
ALERT! Cover was previously removed.
12.
Reset the chassis intrusion detector
by changing
Chassis Intrusion
to
Enabled
or
Enabled-Silent
.
NOTICE:
If a setup password has been assigned by someone else, contact your network administrator for information
on resetting the chassis intrusion detector.
Removing a Serial Port Adapter
CAUTION:
Before you begin any of the procedures in this section, follow the steps in "
CAUTION: Safety
Instructions
."
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before
opening the cover.
1. Perform an orderly computer shutdown using the operating system menu.
NOTICE:
To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the
network wall jack.
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system
board.