> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Power addendum documentation (QCS6490/QCS5430)

This addendum serves as a supplementary guide, and it’s intended for licensed users with authorized access to Qualcomm® Linux ®.

Read this addendum along with the Qualcomm Linux Power and Thermal Guide. The Qualcomm Linux Power and Thermal Guide describes the architecture, supported features, and debug methods to balance power consumption and performance of the Qualcomm Linux software.

## **Power management overview**

<CardGroup cols={1}>
  <Card title="CPU power specification" href="https://docs.qualcomm.com/doc/80-80023-30A/topic/poweroverview.html">
    Explore the specifications of CPU subsystem.
  </Card>
</CardGroup>

## **Power optimization tunables**

<CardGroup cols={2}>
  <Card title="Configure CPU" href="https://docs.qualcomm.com/doc/80-80023-30A/topic/powerfeatures.html">
    Configure and customize CPU tunables for balancing power and performance.
  </Card>

  <Card title="Configure GPU" href="https://docs.qualcomm.com/doc/80-80023-30A/topic/powerfeatures.html">
    Configure GPU tunables for balancing power and performance.
  </Card>
</CardGroup>

## **Validate power measurements**

<CardGroup cols={1}>
  <Card title="Set up the power measurement platform" href="https://docs.qualcomm.com/doc/80-80023-30A/topic/socreference-power-measurement.html">
    Verify the readiness of the device to perform power measurements.
  </Card>

  <Card title="Test case measurement procedures" href="https://docs.qualcomm.com/doc/80-80023-30A/topic/socreference-power-measurement.html">
    Set up the test case environments.
  </Card>

  <Card title="Power measurement data" href="https://docs.qualcomm.com/doc/80-80023-30A/topic/socreference-power-measurement.html">
    Read the power measurement data.
  </Card>
</CardGroup>