Get Logical File Name and location of TempDB
USE TempDB
GO
EXEC sp_helpfile
GO
Or
SELECT name ,physical_name
AS Location
FROM sys.master_files
WHERE database_id = DB_ID(N'tempdb')
GO
Change the location of TempDB
USE master
GO
ALTER DATABASE TempDB MODIFY FILE
(NAME =
tempdev, FILENAME = 'd:\datatempdb.mdf')
GO
ALTER DATABASE TempDB MODIFY FILE
(NAME =
templog, FILENAME = 'e:\datatemplog.ldf')
GO
Need to restart the Service of SQL Server to effect the
changers