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AHCI: Difference between revisions
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Precised the subclass of a AHCI controller
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== Find an AHCI controller ==
An AHCI controller can be found by enumerating the PCI bus. It has a class id 0x01 (mass storage device) and normally a subclass id 0x06 (serial ATA, but can be IDE Interface 0x01). The vendor id and device id should also be checked to ensure it’s really an AHCI controller.
=== Determining what mode the controller is in ===
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