Following features are supported in the upcoming SkyOS 4 version:
Multiple UHCI controllers, common HCD driver, USB Driver and interface, USB HUB Class driver and Mass storage class driver. So you can use you USB harddisks/floppy/cdrom/card-readers or digital cameras already. The USB/UHCI driver supports all transfer types (Interrupt, Control, Bulk, ISO). Additionally, the USB system is intergrated into SkyOS. Just plug your device into your USB Hub’s, it will be detected and initialized automatically.