diff --git a/htdocs/install/fileconf.php b/htdocs/install/fileconf.php
index 3fce55ff5d9..b2bb53d2e74 100644
--- a/htdocs/install/fileconf.php
+++ b/htdocs/install/fileconf.php
@@ -170,7 +170,6 @@ $dolibarr_main_db_host = "localhost";
 </td>
 
 <td class="label">
-<select name='db_type'>
 <?php
 
 $defaultype=isset($dolibarr_main_db_type)?$dolibarr_main_db_type:'mysql';
@@ -180,6 +179,7 @@ $dir=DOL_DOCUMENT_ROOT.'/lib/databases';
 $handle=opendir($dir);
 $modules = array();
 $nbok = $nbko = 0;
+$option='';
 
 while (($file = readdir($handle))!==false)
 {
@@ -187,37 +187,42 @@ while (($file = readdir($handle))!==false)
     {
         $type=$reg[1];
         $modName = 'DoliDb';
-        //print "file=$file "; print "type=$type "; print "modName=$modName";
+        
+#		print "file=$file type=$type modName=$modName<br>\n";
 
-/*
-        include_once($dir."/".$file);
-        $objMod = new $modName();
-        if ($objMod)
-        {
+#        include_once($dir."/".$file);
+#        $objMod = new $modName();
+#        if ($objMod)
+#        {
+
+#        }
 
-        }
-*/
 		// Version min de la base
-		$versionmin=array();
-		if ($type=='mysql')  $versionmin=array(3,1,0);
-		if ($type=='mysqli') $versionmin=array(4,1,0);
-		if ($type=='pgsql')  $versionmin=array(8,1,0);
+		$versionbasemin=array();
+		if ($type=='mysql')  { $versionbasemin=array(3,1,0); $testfunction='mysql_connect'; }
+		if ($type=='mysqli') { $versionbasemin=array(4,1,0); $testfunction='mysqli_connect'; }
+		if ($type=='pgsql')  { $versionbasemin=array(8,1,0); $testfunction='pg_connect'; }
 		
 		// Remarques
 		$note='';
-		if ($type=='mysql') 	$note='(Mysql >= '.versiontostring($versionmin).')';
-		if ($type=='mysqli') 	$note='(Mysql >= '.versiontostring($versionmin).')';
-		if ($type=='pgsql') 	$note='(Postgresql >= '.versiontostring($versionmin).')';
+		if ($type=='mysql') 	$note='(Mysql >= '.versiontostring($versionbasemin).')';
+		if ($type=='mysqli') 	$note='(Mysql >= '.versiontostring($versionbasemin).')';
+		if ($type=='pgsql') 	$note='(Postgresql >= '.versiontostring($versionbasemin).')';
 
 		// Affiche ligne dans liste
-		print '<option value="'.$type.'" '.($defaultype==$type?" selected":"").'>';
-		print $type;
-		if ($note) print ' '.$note;
-		print '</option>';
+		$option.='<option value="'.$type.'" '.($defaultype==$type?" selected":"");
+		if (! function_exists($testfunction)) $option.=' disabled="disabled"';
+		$option.='>';
+		$option.=$type.'&nbsp; &nbsp;';
+		if ($note) $option.=' '.$note;
+		if (! function_exists($testfunction)) $option.=' - '.$langs->trans("FunctionNotAvailableInThisPHP");
+		$option.='</option>';
     }
 }
 
 ?>
+<select name='db_type'>
+<?php echo $option ?>
 </select>
 &nbsp;
 </td>
diff --git a/htdocs/langs/en_US/install.lang b/htdocs/langs/en_US/install.lang
index 3e2e2dbc74c..c584d25d902 100644
--- a/htdocs/langs/en_US/install.lang
+++ b/htdocs/langs/en_US/install.lang
@@ -80,6 +80,7 @@ AdminLoginAlreadyExists=Dolibarr administrator account '%s' already exists.
 WarningRemoveInstallDir=Warning, for security reasons, once install or upgrade is finished, you have to remove the install directory.
 ThisPHPDoesNotSupportTypeBase=This PHP system does not support interfaces to access database type %s
 MigrateScript=Migrate script
+FunctionNotAvailableInThisPHP=Not available on this PHP
 ChoosedMigrateScript=Choosed migrate script
 DataMigration=Data migration
 DatabaseMigration=Structure database migration
diff --git a/htdocs/langs/fr_FR/install.lang b/htdocs/langs/fr_FR/install.lang
index 31b24efc279..ba6140d619b 100644
--- a/htdocs/langs/fr_FR/install.lang
+++ b/htdocs/langs/fr_FR/install.lang
@@ -79,7 +79,8 @@ DolibarrAdminLogin=Login de l'utilisateur administrateur de Dolibarr
 FailedToCreateAdminLogin=Echec de la création du compte administrateur Dolibarr.
 AdminLoginAlreadyExists=Compte administrateur Dolibarr '%s' déjà existant.
 WarningRemoveInstallDir=Attention, pour des raisons de sécurité, une fois l'installation terminée, il est nécessaire de supprimer le répertoire install.
-ThisPHPDoesNotSupportTypeBase=Le système PHP ne supporta pas les interfaces d'accès pour les base %s
+ThisPHPDoesNotSupportTypeBase=Le système PHP ne supporta pas les interfaces d'accès pour les bases %s
+FunctionNotAvailableInThisPHP=Non disponible sur ce PHP
 MigrateScript=Script de migration
 ChoosedMigrateScript=Choix du script de migration
 DatabaseMigration=Migration du format de la base de données