REG QUERY HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters /v "LayerDriver JPN"の kbd106.dll が使われるが、
REG QUERY "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000411" /v "Layout File"の KBDJPN.DLL が使われてて、