TASCAM support of current computer operating systems has been at the forefront of our product development since our first computer audio interface. We are committed to providing our customers current solutions to their needs. Supporting the Vista OS is a top priority for TASCAM. As XP64 and Vista drivers become available they will be posted to our Product and Support pages for both TASCAM hardware and software. We want to thank you for your patience and understanding as we work to support these Microsoft operating systems. US-122L US-144 XP64 Vista 32 Vista 64 Yes Yes Yes Fire one No*** No*** No*** FW -1884 FW -1082 FW -1804 Yes Yes Yes US-122 US-224 US-428 Yes Yes Yes IF- FW/DM XP64 Vista 32 Vista 64 Unofficial** No*** No*** IF- FW/DM MkII Yes Yes Yes * ** *** Will be supported in a future version Untested & unsupported driver No further development planned ...