Motherboard Product Guide
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Product Certification Markings
This printed circuit assembly has the following
product certification markings:
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European CE Mark
Marking on the board or shipping
container.
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UL Recognition Mark
Marking is the UL File No. El39761 on
the component side of the board and the
PB No. on the solder side of the board.
Board material flammability is
or -0.
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Canadian Compliance Mark
Marking is a small c followed by a
stylized backward UR on the component
side of the board.
Installation Precautions
When you install and test the motherboard,
observe all warnings and cautions in the
installation instructions.
To avoid injury, be careful of:
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Sharp pins on connectors
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Sharp pins on printed circuit assemblies
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Rough edges and sharp corners on the
chassis
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Hot components (like processors, voltage
regulators, and heat sinks)
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Damage to wires that could cause a short
circuit
Observe all warnings and cautions that instruct
you to refer computer servicing to qualified
technical personnel.
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WARNING
Do not open the power supply. Risk of
electric shock and burns from high
voltage and rapid overheating. Refer
servicing of the power supply to
qualified technical personnel.