xii About This Guide
Technician Notes
!
WARNING: Only authorized technicians trained by Compaq should attempt to repair this equipment. All
troubleshooting and repair procedures are detailed to allow only subassembly/module level repair.
Because of the complexity of the individual boards and subassemblies, no one should attempt to make
repairs at the component level or to make modifications to any printed wiring board. Improper repairs can
create a safety hazard. Any indications of component replacement or printed wiring board modifications
may void any warranty.
!
WARNING: To reduce the risk of electric shock or damage to the equipment:
• Do not disable the power grounding plug. The grounding plug is an important safety feature.
• Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times.
• Disconnect the power from the computer by unplugging the power cord either from the electrical
outlet or the computer.
CAUTION: To properly ventilate your system, you must provide at least 3-inches (7.6-cm) of clearance at
the front and back of the computer and 1 inch (2.5 cm) on each side.
System Serial Number
The serial number is located on the top of the system unit cover toward the right front and on the
rear of the chassis.
For the purpose of AssetControl, the serial number is embedded in the CMOS on the system
board.
Locating Additional Information
The following documentation is available to support these products:
User Documentation
Technical Training Guides
Compaq Service Advisories and Bulletins
Compaq QuickFind
Technical Reference Guide
Compaq Service Quick Reference Guide
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