Transferring still photos is done via the USB cable. Transferring video is done via the firewire port. If your asking for a USB driver (that's how I translate the request).... that's used to transfer still photos to the camera.
This is what Sony states about the driver:
The drivers needed to connect your Sony camcorder to a computer and transfer files are already included in the operating system.
The Microsoft Windows XP 64-bit operating system is not supported.
The Windows XP Starter edition is not supported.
Source of info: http://esupport.sony.com/US/perl/sup...e=&info_id=544