I've got PHP 5.0.1 and Apache2 working together ..
this is the LoadModule configuration line I use ..
#--------------------------------------------------------------
LoadModule php5_module c:/php/php5apache2.dll
AddType application/x-httpd-php .php .php3 .phtml
#--------------------------------------------------------------
note: for Apache2 use php5apache2.dll .. not .. php5apache.dll
both are found in c:\php\
..
p.s.
I found this tutorial to be helpful ..
http://aesthetic-theory.com/learn.php?server2