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Electromagnetic emissions notices
For electromagnetic emission information on Class B digital devices, refer to the corresponding information
in the User Guide.
EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia
Trademarks
LENOVO, LENOVO logo, THINKPAD, THINKPAD logo, and TRACKPOINT are trademarks of Lenovo. Intel
and Optane are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
Microsoft and Windows are trademarks of the Microsoft group of companies. The terms HDMI and HDMI
High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the
United States and other countries. USB-C is a trademark of USB Implementers Forum. All other trademarks
are the property of their respective owners. © 2018 Lenovo.
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E490 and R490 Hardware Maintenance Manual
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