Dell OptiPlex 390 User Manual - Page 10

Environmental Temperature: Operating Storage Relative humidity Altitude: Operating Storage Airborne contaminant level 10 °C to 35 °C (50 °F to 95 °F) -40 °C to 65 °C (-40 °F to 149 °F) 20% to 80% (noncondensing) -15.20 m to 3048 m (-50 ft to 10,000 ft) -15.20 m to 10,668 m (-50 ft to 35,000 ft) G1 as defined by ISA-S71.04-1985 Finding More Information and Resources See the safety and regulatory documents that shipped with your computer and the regulatory compliance website at www.dell.com/ regulatory_compliance for more information on: • Safety best practices • Regulatory certification • Ergonomics See www.dell.com for additional information on: • Warranty • Terms and Conditions (U.S. only) • End User License Agreement Information in this publication is subject to change without notice. © 2011 Dell Inc. All rights reserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell™, the DELL logo, Dell Precision™, Precision ON™, ExpressCharge™, Latitude™, Latitude ON™, OptiPlex™, Vostro™, and Wi-Fi Catcher™ are trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™, Atom™, Centrino®, and Celeron® are registered trademarks or trademarks of Intel Corporation in the U.S. and other countries. AMD® is a registered trademark and AMD Opteron™, AMD Phenom™, AMD Sempron™, AMD Athlon™, ATI Radeon™, and ATI FirePro™ are trademarks of Advanced Micro Devices, Inc. Microsoft®, Windows®, MS-DOS®, Windows Vista®, the Windows Vista start button, and 10