When the computer is booted, OSX quizzes the ROM on each device to get its vendor and device id's. OSX keeps a list of all vendor id's and device id's that are contained in the kexts installed in the system. The actual vendor id is the 4 characters "8086". Each of these two values is made up of 4 hexadecimal (hex) characters.įor instance, the vendor id of Intel is 0x8086, where the leading "0x" identifies this as a hex value. The unique identifier is made up of an industry-assigned code for the vendor (manufacturer) of the device and a serial number for that device which is assigned by the vendor. The operating system uses this identifier to bind a driver to that device. The following explains what vendor and device id's are and how to find and use them in your installation.Įvery device that makes up a computer needs to have a unique identifier.
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