diff --git a/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/RefreshAction.java b/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/RefreshAction.java
index 17b00e52364..af07e864ea0 100644
--- a/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/RefreshAction.java
+++ b/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/RefreshAction.java
@@ -12,10 +12,10 @@
 
 package org.eclipse.dd.dsf.debug.internal.provisional.ui.memory;
 
+import org.eclipse.dd.dsf.debug.memory.IMemoryBlockUpdatePolicy;
 import org.eclipse.debug.core.DebugEvent;
 import org.eclipse.debug.core.IDebugEventSetListener;
 import org.eclipse.debug.core.model.IMemoryBlock;
-import org.eclipse.debug.core.model.IMemoryBlockUpdatePolicy;
 import org.eclipse.debug.internal.ui.views.memory.MemoryView;
 import org.eclipse.debug.ui.memory.IMemoryRendering;
 import org.eclipse.debug.ui.memory.IMemoryRenderingContainer;
diff --git a/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/SelectUpdatePolicyAction.java b/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/SelectUpdatePolicyAction.java
index 781fd40fddc..5dd0b507021 100644
--- a/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/SelectUpdatePolicyAction.java
+++ b/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/internal/provisional/ui/memory/SelectUpdatePolicyAction.java
@@ -12,8 +12,8 @@
 
 package org.eclipse.dd.dsf.debug.internal.provisional.ui.memory;
 
+import org.eclipse.dd.dsf.debug.memory.IMemoryBlockUpdatePolicy;
 import org.eclipse.debug.core.model.IMemoryBlock;
-import org.eclipse.debug.core.model.IMemoryBlockUpdatePolicy;
 import org.eclipse.debug.ui.contexts.DebugContextEvent;
 import org.eclipse.debug.ui.contexts.IDebugContextListener;
 import org.eclipse.debug.ui.memory.IMemoryRendering;
diff --git a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/memory/IMemoryBlockUpdatePolicy.java b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/memory/IMemoryBlockUpdatePolicy.java
new file mode 100644
index 00000000000..562debb822a
--- /dev/null
+++ b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/memory/IMemoryBlockUpdatePolicy.java
@@ -0,0 +1,26 @@
+
+/*******************************************************************************
+ * Copyright (c) 2008 Wind River Systems and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     Wind River Systems - Ted Williams - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.dd.dsf.debug.memory;
+
+public interface IMemoryBlockUpdatePolicy 
+{
+	public String[] getUpdatePolicies();
+
+	public String getUpdatePolicyDescription(String id);
+	
+	public String getUpdatePolicy();
+	
+	public void setUpdatePolicy(String id);
+	
+	public void clearCache();
+}
diff --git a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/model/DsfMemoryBlock.java b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/model/DsfMemoryBlock.java
index 67193ecac19..ac3a43f2555 100644
--- a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/model/DsfMemoryBlock.java
+++ b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/model/DsfMemoryBlock.java
@@ -28,6 +28,7 @@ import org.eclipse.dd.dsf.concurrent.DataRequestMonitor;
 import org.eclipse.dd.dsf.concurrent.Query;
 import org.eclipse.dd.dsf.concurrent.RequestMonitor;
 import org.eclipse.dd.dsf.debug.internal.DsfDebugPlugin;
+import org.eclipse.dd.dsf.debug.memory.IMemoryBlockUpdatePolicy;
 import org.eclipse.dd.dsf.debug.service.IMemory;
 import org.eclipse.dd.dsf.debug.service.IRunControl;
 import org.eclipse.dd.dsf.debug.service.IMemory.IMemoryChangedEvent;
@@ -41,7 +42,6 @@ import org.eclipse.debug.core.ILaunch;
 import org.eclipse.debug.core.model.IDebugTarget;
 import org.eclipse.debug.core.model.IMemoryBlockExtension;
 import org.eclipse.debug.core.model.IMemoryBlockRetrieval;
-import org.eclipse.debug.core.model.IMemoryBlockUpdatePolicy;
 import org.eclipse.debug.core.model.MemoryByte;
 
 /**