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In modern DVD drives (type RPC-2), the region lock is saved to its hardware, so that even reinstalling Windows or using the drive with a different computer will not unlock the drive again. Unlike DVD regions, Blu-ray regions are verified only by the player software, not by the computer system or the drive.
Region-free players are DVD players shipped without the ability to enforce regional lockout (usually by means of a chip that ignores any region coding), or without this flag set. However, if the player is not region-free, it can often be unlocked with an unlock code entered via the remote control. This code simply allows the user to change the ...
Newer drives use RPC-2 firmware, which enforces DVD region coding at the hardware level. See DVD region code#Computer DVD drives for further information. Some RPC-2 drives can be converted to RPC-1 with the same features as before by using alternative firmware on the drive, or on some drives by setting a secret flag in the drive's EEPROM .
Xbox (DVD) Two sets of media descriptors are used. Initially, and on typical DVD-ROM drives, only a short partition containing a brief DVD Video can be seen. The lead-out section of the disk stores a second set of media descriptors describing the bounds of the main partition. It also contains a partially-encrypted "security sector" used for ...
CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD-checks, Dummy Files, illegal tables of contents, over-sizing or over-burning the CD, physical errors and bad sectors. Many protection schemes rely on breaking compliance with CD and DVD standards, leading to playback ...
DVD Decrypter is a software application for Microsoft Windows that can create backup disk images of the DVD-Video structure of DVDs.It can be used to make a copy of any DVD protected with Content Scrambling System (CSS).
The Windows API function LockFile [5] can also be used and acquires an exclusive lock on the region of the file. Any file containing an executable program file that is currently running on the computer system as a program (e.g. an EXE , COM , DLL , CPL or other binary program file format) is normally locked by the operating system itself ...
The player has to execute an authentication handshake first (§4.10.2.2 [4]). The authentication handshake is also used to retrieve the disc-key-block and the title-keys. The drive may also support Regional Playback Control (RPC) to limit the playback of DVD-Video content to specific regions of the world (§3.3.26 [4]).