Intel QX9770 - Core 2 Extreme Quad-Core Processor Design Manual page 107

Intel core 2 extreme processor qx6800 and intel core 2 extreme processor qx9770 thermal and mechanical design guidelines

Table of Contents

Legacy Fan Speed Control

spike smoothing). Please select the lowest setting available close to 4.0 seconds by the

fan speed control device

4. The Fan Speed Controller, or Health Monitor Component, takes the result of the two fan

speed ramps (processor and system) and drives the TMA fan to the highest resulting

PWM duty cycle (%)

5. For BTX systems a second thermal sensor is recommended to capture chassis ambient

for more detail see Appendix F.

6. To ensure compliance with the thermal specification, thermal profile and usage of the

7. If this function is present on the device it must be enabled

Note: The fan speed component vendors provide libraries that are used by the BIOS writer

to program the component registers with the parameters listed above. Consult the

appropriate vendor datasheet for detailed information on programming their

component.

Thermal and Mechanical Design Guidelines

for fan speed control these setting should not be user configurable.

SENSOR

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Qx68000 core 2 extreme