Dell Precision 690 User Guide - Page 129

Chassis Intrusion Switch

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Back to Contents Page Chassis Intrusion Switch Dell Precision™ Workstation 690 User's Guide Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector The intrusion switch must be installed and the cover closed for the system to operate properly. If the switch is not detected, or if the cover is open, the system will run all fans at maximum speed to prevent overheating. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer. Removing the Chassis Intrusion Switch CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See your Product Information Guide for other important safety information. CAUTION: The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the computer tipping over, potentially resulting in bodily injury or damage to the computer. 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing the Computer Cover). 3. Disconnect the chassis intrusion switch cable from the system board. Note the routing of the chassis intrusion switch cable as you remove it from the chassis. Chassis hooks may hold the cable in place inside the chassis. 4. Slide the chassis intrusion switch out of its slot, and remove the switch and its attached cable from the computer. Replacing the Chassis Intrusion Switch CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See your Product Information Guide for other important safety information. CAUTION: The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the computer tipping over, potentially resulting in bodily injury or damage to the computer. 1. Gently slide the chassis intrusion switch into its slot and reconnect the cable to the system board.

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Back to Contents Page
Chassis Intrusion Switch
Dell Precision™ Workstation 690 User's Guide
Removing the Chassis Intrusion Switch
Replacing the Chassis Intrusion Switch
Resetting the Chassis Intrusion Detector
The intrusion switch must be installed and the cover closed for the system to operate properly. If the switch is not detected, or if the cover is open, the system
will run all fans at maximum speed to prevent overheating.
Removing the Chassis Intrusion Switch
1.
Follow the procedures in
Before You Begin
.
2.
Remove the computer cover (see
Removing the Computer Cover
).
3.
Disconnect the chassis intrusion switch cable from the system board.
Note the routing of the chassis intrusion switch cable as you remove it from the chassis. Chassis hooks may hold the cable in place inside the chassis.
4.
Slide the chassis intrusion switch out of its slot, and remove the switch and its attached cable from the computer.
Replacing the Chassis Intrusion Switch
1.
Gently slide the chassis intrusion switch into its slot and reconnect the cable to the system board.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE:
To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer.
CAUTION:
Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before
attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See
your
Product Information Guide
for other important safety information.
CAUTION:
The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the
computer tipping over, potentially resulting in bodily injury or damage to the computer.
CAUTION:
Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before
attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See
your
Product Information Guide
for other important safety information.
CAUTION:
The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the
computer tipping over, potentially resulting in bodily injury or damage to the computer.