re: [iODBC][Driver Manager]Specified driver could not be loaded, SQL state IM003 in SQLConnect
i too have had the dreaded "IM003" blues, however nothing to do with filemaker, but with other iODBC drivers.
I did finally find the solution, and it is because Leopard ships with a 64bit executable of apache, and that is incompatible with some odbc drivers.
simple solution is here, worked for me
http://www.actualtechnologies.com/phpsetup.php
Alex.