Out on the Fox Wiki there are some topics about DSN connections.

Here is a sample connection string that includes a VFP connection. There is also a link on the Fox Wiki that leads to descriptions of how to set up connection strings for a plethoria of databases.

http://fox.wikis.com/wc.dll?Wiki~VFPCommandSQLStringConnect~VFP

* Snip

lcConnectionString = [Driver=Microsoft Visual FoxPro Driver;] +; <br>
  [UID=;PWD=;SourceDB=C:\Data\test.dbc;SourceType=DBC;Exclusive=No;] +; <br>
  [BackgroundFetch=No;Collate=Machine;Null=Yes;Deleted=Yes;]