To install the latest revision of ODBC drivers to an existing FIX database that was delivered prior to Aug / 2000, you must have a 32bit product (Zim engine). First install STR7811 on the database, and then install the odbc drivers on each workstation.
Download install instructions str7811
Download the str7811 first, and then install.
Download the odbc 2.0 product and then install on the workstation.