![]() V(4) is the 4-digit vendor code that the USB committee assigns to the vendor.ĭ(4) is the 4-digit product code that the vendor assigns to the device. The device IDs for USB mass storage devices in Usbstor.inf take the usual form for USB device IDs composed by using information in the USB device's device descriptor: ![]() ![]() If the USB hub driver enumerates one of these devices, the operating system will automatically load the USB storage port driver, Usbstor.sys. The Usbstor.inf installation file contains device IDs for those devices that are explicitly supported. Starting with Windows 2000, the operating system provides native support for many USB mass storage devices.
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