对于那些带有区码限制的DVD光驱，要破解其区码限制，一般有两种方法：一是通过硬手段刷新或修改光驱的Firmware。本代码是firmware的源码。-For those with restricted Code DVD drive, it is necessary to break their Code restrictions, in general there are two ways: First, through the hard drive means to set or modify