Compaq ProSignia 500 Compaq ProSignia Family of PC Servers Maintenance and Ser - Page 2

Preface, COMPAQ ProSignia PC Servers without notice.

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Preface This MAINTENANCE AND SERVICE GUIDE is a troubleshooting guide that can be used for reference when servicing COMPAQ ProSignia Family of Personal Computer Servers. Compaq Computer Corporation reserves the right to make changes to the COMPAQ ProSignia PC Servers without notice. Symbols The following text and symbols mark special messages throughout this guide: WARNING Text set off in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss of life. CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data. IMPORTANT: Text set off in this manner presents clarifying information or specific instructions. NOTE: Text set off in this manner presents commentary, sidelights, or interesting points of information. 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. CAUTION To properly ventilate your system, you must provide at least 3 inches (7.62 cm) of clearance at the front and back of the computer. CAUTION The computer is designed to be electrically grounded. To ensure proper operation, plug the AC power cord into a properly grounded AC outlet only. Locating Additional Information

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Preface
This MAINTENANCE AND SERVICE GUIDE is a troubleshooting guide that can be
used for reference when servicing COMPAQ ProSignia Family of Personal
Computer Servers.
Compaq Computer Corporation reserves the right to make changes to the
COMPAQ ProSignia PC Servers without notice.
Symbols
The following text and symbols mark special messages throughout this guide:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> WARNING <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Text set off in this manner indicates that failure to follow directions in
the warning could result in bodily harm or loss of life.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or loss of data.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
IMPORTANT: Text set off in this manner presents clarifying information or
specific instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or
interesting points of information.
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.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
To properly ventilate your system, you must provide at least 3 inches
(7.62 cm) of clearance at the front and back of the computer.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
The computer is designed to be electrically grounded. To ensure proper
operation, plug the AC power cord into a properly grounded AC outlet only.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Locating Additional Information