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Editorial Team
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Asked: 2026-05-25T11:10:33+00:00

Is it possible to do some Inquiry requests to SCSI driver?

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Is it possible to do some Inquiry requests to SCSI driver?

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  1. Editorial Team

    No it is not possible from userland.

    By design, Mac OS X does not allow applications to send SCSI or ATA
    commands to storage devices unless the application developer also
    provides an in-kernel device driver that supports the commands. The
    SCSI Architecture Model family allows only one logical unit driver to
    control a device at a time and provides in-kernel logical unit drivers
    for storage devices (as listed in “SCSI Architecture Model Family
    Device Support”). Similarly, the ATA family does not allow
    applications to send ATA commands directly to ATA or SATA (Serial ATA)
    devices.

    From here
    http://developer.apple.com/library/mac/#documentation/DeviceDrivers/Conceptual/WorkingWithSAM/WWS_SAMDevInt/WWS_SAM_DevInt.html

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