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  2. DVD region code - Wikipedia

    en.wikipedia.org/wiki/DVD_region_code

    North Korea and South Korea have different DVD region codes (North Korea: region 5, South Korea: region 3), but use the same Blu-ray region code (region A). In China, two DVD region codes are used: Mainland China uses region 6, but Hong Kong and Macau use region 3. There are also two Blu-ray regions used: China uses region C, while Hong Kong ...

  3. Regional Playback Control - Wikipedia

    en.wikipedia.org/wiki/Regional_Playback_Control

    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 .

  4. Regional lockout - Wikipedia

    en.wikipedia.org/wiki/Regional_lockout

    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. The region code is stored in a file or ...

  5. HD DVD Forum working on region codes and China-only format

    www.aol.com/news/2006-05-26-hd-dvd-forum-working...

    Well, the 34th DVD Forum Steering Committee meeting occurred two days ago in Seattle, but it wasn't just the usual hum drum logo approvals and plans for world living room domination.

  6. DVD-Video - Wikipedia

    en.wikipedia.org/wiki/DVD-Video

    A normal DVD player can only play region-coded discs designated for the player's own particular region. However, a code-free or region-free DVD player is capable of playing DVDs from any of the six regions around the world. The CSS license prohibits manufacturing of DVD players that are not set to a single region by default. While the same ...

  7. List of Compact Disc and DVD copy protection schemes

    en.wikipedia.org/wiki/List_of_Compact_Disc_and...

    DVD-Cops See CD-Cops in previous section. DVD region code Restricts region where media can be played by matching region number with configuration flag in DVD players. LaserLock Includes hidden directory on the CD containing corrupted data which will cause errors while being copied. SafeDisc (version 4) See SafeDisc (versions 1-5) in previous ...

  8. Comparison of high-definition optical disc formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_high...

    The Blu-ray specification and all currently available players support region coding. As of July 2008 about 66.7% of Blu-ray Disc titles are region-free and 33.3% use region codes. [6] The HD DVD specification had no region coding, so a HD DVD from anywhere in the world will work in any player. The DVD Forum's steering committee discussed a ...

  9. HD DVD - Wikipedia

    en.wikipedia.org/wiki/HD_DVD

    HD DVD drives can also be used with a desktop/laptop personal computer (PC) running Windows XP, Windows Vista, Mac OS X v10.5 "Leopard", and many varieties of Linux. Third-party player software for Windows and Linux have successfully played HD DVD titles using the add-on drive.