To be on the safe side and leave enough space for the future, the in-memory size of an assembly used here should be 8 times the disk image size. Sysinternals Processexplorer can show relocated assemblies in yellow in the DLL View. adr = 0x5000000 def AddModule(kbsize as int): print "0x${adr.ToString('x')} - 0x${(adr + 3 * kbsize * 1024).ToString('x')}" adr += 8 * kbsize * 1024 adr = 0x80000 * System.Math.Ceiling(cast(double,adr) / 0x80000) def AddModules(*names as (string)): for name in names: System.Console.Write("${name}:\t") AddModule(System.IO.FileInfo("d:\\corsavy\\sharpdevelop\\bin\\" + name + ".dll").Length / 1024) AssemblyName: startaddress - endaddress ICSharpCode.Core: 0x5000000 - 0x504e000 ICSharpCode.SharpDevelop: 0x5100000 - 0x5472000 ICSharpCode.NRefactory: 0x5a80000 - 0x5b9a000 ICSharpCode.TextEditor: 0x5d80000 - 0x5e67000 MonoReflectionLoader: 0x6000000 - 0x600c000 WeifenLuo.WinFormsUI.Docking: 0x6080000 - 0x6107000 ICSharpCode.Build.Tasks: 0x6200000 - 0x621b000 CSharpBinding: 0x6280000 - 0x62bc000 ILAsmBinding: 0x6380000 - 0x639b000 VBNetBinding: 0x6400000 - 0x643f000 NRefactoryToBooConverter: 0x6500000 - 0x6536000 BooBinding: 0x6600000 - 0x664e000 FormsDesigner: 0x6700000 - 0x676f000 ResourceEditor: 0x6880000 - 0x689e000 XmlEditor: 0x6900000 - 0x6948000 ICSharpCode.AddInMananger: 0x6a00000 - 0x6a24000 AddInScout: 0x6a80000 - 0x6a8b400 CodeCoverage: 0x6b00000 - 0x6b30000 TreeListView (debugger): 0x6b80000 - 0x6be6000 Debugger.Code: 0x6d00000 - 0x6ddb000 Debugger.AddIn: 0x6f80000 - 0x6faa000 FileTypeRegisterer: 0x7000000 - 0x7009000 HighlightingEditor: 0x7080000 - 0x70ec000 HtmlHelp2: 0x7200000 - 0x723f000 HtmlHelp2JScriptGlobals: 0x7300000 - 0x7306c00 MonoAddIn: 0x7380000 - 0x7395000 NAntAddIn: 0x7400000 - 0x7427000 PInvokeAddIn: 0x7480000 - 0x749b000 RegExpTk: 0x7500000 - 0x7524000 SharpQuery: 0x7580000 - 0x75b0000 SharpReportCore: 0x7600000 - 0x7654000 SharpReport: 0x7700000 - 0x773c000 SharpReportAddIn: 0x7800000 - 0x781e000 ReportGenerator: 0x7880000 - 0x78a1000 StartPage: 0x7900000 - 0x791e000 UnitTesting: 0x7980000 - 0x799b000 Next free address: 0x7a00000