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Intel Desktop Board D850GB/D850GBAL Product Guide
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Product Certification Markings
This printed circuit assembly has the following product certification markings:
• UL Joint Recognition mark: Consists of small c followed by a stylized backward UR and
followed by a small US (component side)
• Manufacturer’s recognition mark: Consists of a unique UL recognized manufacturer’s logo,
along with a flammability rating (94V-0) (solder side)
• UL file number for desktop boards: E139761 (component side)
• PB part number:
Intel bare circuit board part number for D850GB (solder side) A22917-XXX
Intel bare circuit board part number for D850GBAL (solder side) A23794-XXX
• Battery “+ Side Up” marking: Located on the component side of the board in close proximity
to the battery holder
• FCC logo/declaration: Located on the solder side
• ACA (C-Tick) mark: Consists of a unique letter C, with a tick mark; followed by N-232.
Located on the component side of the board and on the shipping container.
• CE mark: Located on the component side and on the shipping container
Installation Precautions
When you install and test the board, observe all warnings and cautions in the installation
instructions.
To avoid injury, be careful of:
• Sharp pins on connectors
• Sharp pins on printed circuit assemblies
• Rough edges and sharp corners on the chassis
• Hot components (like processors, voltage regulators, and heat sinks)
• 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.
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.