diff --git a/reference/fam/configure.xml b/reference/fam/configure.xml
new file mode 100644
index 0000000000..231d87197a
--- /dev/null
+++ b/reference/fam/configure.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 1.1 $ -->
+<section id="fam.installation">
+ &reftitle.install;
+ <para>
+  To use PHP's FAM support you must compile PHP <option
+  role="configure">--with-fam[=DIR]</option> where DIR is the
+  location of the directory containing the lib and include
+  directories.
+ </para>
+</section>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/fam/reference.xml b/reference/fam/reference.xml
index ea4b950313..fb0efe8ed1 100644
--- a/reference/fam/reference.xml
+++ b/reference/fam/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
  <reference id="ref.fam">
   <title>File Alteration Monitor Functions</title>
   <titleabbrev>fam</titleabbrev>
@@ -28,11 +28,14 @@
     &reftitle.required;
     <para>
      This extension uses the functions of the <ulink url="&url.fam.download;">
-     FAM</ulink> library, devoloped by SGI.
+     FAM</ulink> library, devoloped by SGI. Therefore you have to download and
+     install the FAM library.
      <!-- This extension requires ... version ... as available on ... -->
     </para>
    </section>
 
+   &reference.fam.configure;
+
    <section id="fam.configuration">
     &reftitle.runtime;
     &no.config;