Interface	2000 x86	XP x86	2003 x86	2003 x64	Vista Beta Feb06 x86	Vista Beta 2 x86	Longhorn Beta 2 x86	Notes
System Basic Information
System Processor Information
System Performance Information
System TimeofDay Information
System Processes And Threads Information								Mistake in book structure versus all OS versions; new use of reserved fields on vista/longhorn
System Call Counts								Checked builds only
System Configuration Information
System Processor Times
System Global Flag
System Module Information
System Lock Information								Useful for kernel code only
System Handle Information								32-bit call on x64 returns invalid information.
System Object Information								Requires boot flag, except Vista/Longhorn (which returns unknown data structure)
System Pagefile Information
System Instruction Emulation Counts								=there is no DOS on x64
System Cache Information								Reserved fields in use
System Pool Tag Information								Requires boot flag on 2k &  XP, but not 2003, Vista, & Longhorn
System Processor Statistics
System DPC Information								Reserve in use on x64,Vista, Longhorn
System Load Image
System Unload Image
System Time Adjustment
System Crash Dump Information
System Exception Information
System Crash Dump State Information
System Kernel Debugger Information
System Context Switch Information								Only returns zeros
System Registry Quota Information								Mistake in book structure versus all OS versions
System Load And Call Image
System Priority Separation
System Time Zone Information								Some fields contain odd data on all OSs; but matches GetTimeZoneInformation() interface structure results.
System Lookaside Information								Kernel mode calls only
System Set Time Slip Event
System Create Session
System Delete Session
System Range Start Information
System Verifier Information
System Add Verifier
System Session Process Information								See note on "System Processes and Threads Information"