I post this for the benefit of others who may search the forums: PLEASE check Books Online before posting questions! It is a WONDERFUL resource! I put 'tempdb' in the index and voila, there was a clickable link 'moving', which took me directly to everything you need to know about moving the tempdb. 🙂
Best,
Kevin G. Boles
SQL Server Consultant
SQL MVP 2007-2012
TheSQLGuru on googles mail service