Dell OptiPlex 790 (Early 2011) - Manual (Page 2)

Power Supply Thermal Sensor Removal
The power supply thermal sensor is removed from the desktop chassis only.
Figure 2. System Board with the thermal sensor and heatsink removed
1. thermal sensor connector-1 and cable removed
2. chipset heatsink removed
3. thermal sensor connector-2
NOTE: If you have replaced your system board with a new system board for the Desktop chassis, always ensure
that the BIOS version is A11 or higher.
WARNING: If you do not update the BIOS, you may receive Alert! Chipset heat sink not detected error message
during the power-on self test (POST).
NOTE: With the new system board, it is tested and found that all component temperatures are within the
specifications.
NOTE: With the new system board, there is no impact on the system performance.
Information in this publication is subject to change without notice.
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2012 Dell Inc. All rights reserved.
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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
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