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ASFireWire wiki

A DriverKit FireWire (IEEE 1394) driver for macOS, restoring functionality removed in macOS Tahoe (26).

Warning

ASFireWire is experimental. Prebuilt releases are ad-hoc signed and not notarized, and require disabling SIP. Use a machine you are comfortable testing on.

Start here

I want to…	Page
Install a prebuilt release	Installing
Build and sign it myself	Building and Signing
Fix something that's broken	Troubleshooting
Report a bug properly	Reporting Issues
Collect and filter driver logs	Logging
See what hardware people got working	Device Compatibility
Get my PCIe FireWire card recognised	Adding a PCIe FireWire card

In the repository

Download a build	Releases
What's supported in tree	README § Hardware compatibility
How to collect logs	Logging · README § Collecting logs
What changed	CHANGELOG.md
Architecture and internals	CLAUDE.md · DeepWiki

Note

These pages describe the latest release. If you are running an older build and something doesn't match, check that tag's release notes.

Contributing to this wiki

Edits are welcome — especially Device Compatibility and Troubleshooting, which are only as good as the reports people add. If you hit a problem and worked it out, please write down what you did.