diff --git a/lib/Doctrine/Configurable.php b/lib/Doctrine/Configurable.php
index ea877967f..8eeda3ba6 100644
--- a/lib/Doctrine/Configurable.php
+++ b/lib/Doctrine/Configurable.php
@@ -116,7 +116,25 @@ abstract class Doctrine_Configurable {
             case Doctrine::ATTR_AUTO_LENGTH_VLD:
             case Doctrine::ATTR_AUTO_TYPE_VLD:
             case Doctrine::ATTR_QUERY_LIMIT:
+            case Doctrine::ATTR_QUOTE_IDENTIFIER:
+            case Doctrine::ATTR_PORTABILITY:
 
+            break;
+            case Doctrine::ATTR_SEQCOL_NAME:
+                if( ! is_string($value))
+                    throw new Doctrine_Exception('Sequence column name attribute only accepts string values');
+
+            break;
+            case Doctrine::ATTR_FIELD_CASE:
+                if($value != 0 && $value != CASE_LOWER && $value != CASE_UPPER)
+                    throw new Doctrine_Exception('Field case attribute should be either 0, CASE_LOWER or CASE_UPPER constant.');
+            break;
+            case Doctrine::ATTR_SEQNAME_FORMAT:
+            case Doctrine::ATTR_IDXNAME_FORMAT:
+                if($this instanceof Doctrine_Table) {
+                    throw new Doctrine_Exception('Sequence / index name format attributes cannot be set'
+                                               . 'at table level (only at connection or global level).');
+                }
             break;
             default:
                 throw new Doctrine_Exception("Unknown attribute.");
diff --git a/lib/Doctrine/Manager.php b/lib/Doctrine/Manager.php
index e8958b254..582e7c10f 100644
--- a/lib/Doctrine/Manager.php
+++ b/lib/Doctrine/Manager.php
@@ -97,6 +97,11 @@ class Doctrine_Manager extends Doctrine_Configurable implements Countable, Itera
                         Doctrine::ATTR_AUTO_TYPE_VLD    => true,
                         Doctrine::ATTR_CREATE_TABLES    => true,
                         Doctrine::ATTR_QUERY_LIMIT      => Doctrine::LIMIT_RECORDS,
+                        Doctrine::ATTR_IDXNAME_FORMAT   => '%_idx',
+                        Doctrine::ATTR_SEQNAME_FORMAT   => '%_seq',
+                        Doctrine::ATTR_QUOTE_IDENTIFIER => false,
+                        Doctrine::ATTR_SEQCOL_NAME      => 'id',
+                        Doctrine::ATTR_PORTABILITY      => Doctrine::PORTABILITY_ALL,
                         );
             foreach($attributes as $attribute => $value) {
                 $old = $this->getAttribute($attribute);
@@ -186,6 +191,8 @@ class Doctrine_Manager extends Doctrine_Configurable implements Countable, Itera
             case "informix":
                 $this->connections[$name] = new Doctrine_Connection_Informix($this, $adapter);
             break;
+            default:
+                throw new Doctrine_Manager_Exception('Unknown connection driver '. $adapter->getAttribute(PDO::ATTR_DRIVER_NAME));
         endswitch;