How to Identify Devices as Laptops in Registry

As we attempt to improve our remote inventory process, we are looking for a way to identify those Windows devices that are laptops. In WinNT and Win2K, the key SYSTEM\CurrentControlSet\Control\IdConfigDB had a value name of IsPortable that seemed to work, but that key is not persent in XP. The key  HKEY_LOCAL_MACHINE\System\ CurrentControlSet\ Services\ Pcmcia\Enum is though, and while there could be desktop systems with PCMCIA devices, I think they are the exception.

Is anyone aware of a more definitive manner to identify a device as a laptop by querying the registry?

Thanks,
Jeff
jpetterAsked:
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sirbountyCommented:
This site has a great WMI script to determine that...
http://www.microsoft.com/technet/scriptcenter/resources/qanda/sept04/hey0921.mspx

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colChassis = objWMIService.ExecQuery _
    ("Select * from Win32_SystemEnclosure")
For Each objChassis in colChassis
    For  Each strChassisType in objChassis.ChassisTypes
        Select Case strChassisType
            Case 1
                Wscript.Echo "Other"
            Case 2
                Wscript.Echo "Unknown"
            Case 3
                Wscript.Echo "Desktop"
            Case 4
                Wscript.Echo "Low Profile Desktop"
            Case 5
                Wscript.Echo "Pizza Box"
            Case 6
                Wscript.Echo "Mini Tower"
            Case 7
                Wscript.Echo "Tower"
            Case 8
                Wscript.Echo "Portable"
            Case 9
                Wscript.Echo "Laptop"
            Case 10
                Wscript.Echo "Notebook"
            Case 11
                Wscript.Echo "Handheld"
            Case 12
                Wscript.Echo "Docking Station"
            Case 13
                Wscript.Echo "All-in-One"
            Case 14
                Wscript.Echo "Sub-Notebook"
            Case 15
                Wscript.Echo "Space Saving"
            Case 16
                Wscript.Echo "Lunch Box"
            Case 17
                Wscript.Echo "Main System Chassis"
            Case 18
                Wscript.Echo "Expansion Chassis"
            Case 19
                Wscript.Echo "Sub-Chassis"
            Case 20
                Wscript.Echo "Bus Expansion Chassis"
            Case 21
                Wscript.Echo "Peripheral Chassis"
            Case 22
                Wscript.Echo "Storage Chassis"
            Case 23
                Wscript.Echo "Rack Mount Chassis"
            Case 24
                Wscript.Echo "Sealed-Case PC"
            Case Else
                Wscript.Echo "Unknown"
            End Select
    Next
Next

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jpetterAuthor Commented:
Thanks! That will work just fine.

Jeff
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sirbountyCommented:
Great - happy to help.
Speaking of Pizza boxes...I saw some guy had built his system inside of a Bud-Light case...
Too many people with too much time on their hands eh? : )
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jpetterAuthor Commented:
Yeah, that's pertty crazy. I like the entrepreneurial spirit, but man, all that work going into a cardbox box, and a flimsy one at that...

Amazing!
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