# References

Find the related documents and external resources for the Snapdragon X2
interfaces.

Use the following references to locate the Qualcomm Technologies, Inc.
documents and external specifications that support the interface
configuration tasks.

## Related documents

The following table lists the related Qualcomm Technologies, Inc.
documents and their document numbers.

| Title | Number |
| --- | --- |
| Snapdragon X2 Family Desktop Platform Pin Assignment and GPIO Configuration Spreadsheet | 80-96132-1A |

The following table lists the external resources and their links.

| Title | Link |
| --- | --- |
| PCI Firmware Specification, Revision 3.x | [PCI-SIG document<br>12886](https://members.pcisig.com/wg/PCI-SIG/document/12886) |
| PCI Express Base Specification, Revision 5.0, Version 1.0 | [pcisig.com](https://pcisig.com/PCIExpress/Specs/Base/_5.0_1.0) |

Last Published: Sep 17, 2026

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