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Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
HKLM\HARDWARE
The DEVICEMAP subkey contains a set of subkeys representing the base classes of all devices on the computer. A driver that controls a device stores the base class name in an entry in the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services subkey.