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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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 Catcherare 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 FireProare trademarks of Advanced Micro

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Dell 790/990 manual Power Supply Thermal Sensor Removal, System Board with the thermal sensor and heatsink removed