Electromagnetic emission notices
For electromagnetic emission information on Class B digital devices, refer to the corresponding information
in the User Guide.
EU Contact: Lenovo (Slovakia), Landererova 12, 811 09 Bratislava, Slovakia
Trademarks
LENOVO, LENOVO logo, THINKPAD, THINKPAD logo, and TRACKPOINT are trademarks of Lenovo. Intel
Optane and Thunderbolt 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. © 2019 Lenovo.
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T490s and X390 Hardware Maintenance Manual