Might see if something here will give that information for Windows Management Instrumentation:
http://www.google.com/search?hl=en&q=Windows+Management+Instrumentation&btnG=Google+Search (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/wmi_start_page.asp>http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/wmi_start_page.asp</a>
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<font color=blue>Good judgement comes from experience, and experience comes from bad judgement.</font color=blue> <font color=green>Experience is a wonderful thing. It enables you to recognize a mistake when you make it again.</font color=green>