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1. #Usb mass storage controller driver for windows8.1 download drivers
2. #Usb mass storage controller driver for windows8.1 download download

#Usb mass storage controller driver for windows8.1 download drivers

Microsoft provides in-box drivers for several of those device classes, called USB device class drivers. Each device class is identified by USB-IF approved class, subclass, and protocol codes, all of which are provided by the IHV in device descriptors in the firmware. Those classes and their specifications are defined by the USB-IF. USB Device classes are categories of devices with similar characteristics and that perform common functions. More guidelines are included in Choosing a driver model for developing a USB client driver. If a Microsoft-provided driver is not available for the USB device class to which your device belongs, then consider using generic drivers, Winusb.sys or Usbccgp.sys. If you are writing a custom driver: Before writing a driver for your USB device, determine whether a Microsoft-provided driver meets the device requirements. The drivers are updated through Windows Update. They are available in the \Windows\System32\DriverStore\FileRepository folder.

These drivers and their installation files are included in Windows.

#Usb mass storage controller driver for windows8.1 download download

If you are installing USB drivers: You do not need to download USB device class drivers. For non-composite devices or a function of a composite device, use WinUSB (Winusb.sys).For composite devices, use USB Generic Parent Driver (Usbccgp.sys) that creates physical device objects (PDOs) for each function.Microsoft-provided drivers for USB-IF approved device classes.This topic lists the Microsoft-provided drivers for the supported USB device classes. If you are a customer experiencing USB problems, see Troubleshoot common USB problems