||Enable USB passthrough via dev-libs/libusb
||Enable USB suport
||Enable support for usb based chipcard reader.
||Install the usb.ids database
||Build the libusb-based userland daemon for accessing the EntropyKey (alternative to the CDC USB driver). It is suggested to use this option by default, as the CDC driver in the kernel often seems to be fragile (or the gadget implementation on the EntropyKey is too buggy), and can cause various problems.
||Build direct CCID access for scdaemon; requires dev-libs/libusb.
||Install all files, which are needed for an installation on an usb thumb drive.
||Access 3D printers via USB
||Build a bootable USB image for using PXE