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  2. List of Compact Disc and DVD copy protection schemes

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

    However, one could read GD-ROM on CD reader by swapping the disc after reading fake TOC. FADE Creates fake scratches on the disk image which copying programs will automatically try to fix. Instead of alerting the user that the copied disc is detected, the program will play the game in a buggy manner. [4] PlayStation (CD-ROM)

  3. No-disc crack - Wikipedia

    en.wikipedia.org/wiki/No-disc_crack

    A No-disc crack, No-CD crack or No-DVD crack is an executable file or a special "byte patcher" program which allows a user to circumvent certain Compact Disc and DVD copy protection schemes. They allow the user to run computer software without having to insert their required CD-ROM or DVD-ROM. This act is a form of software cracking.

  4. U3 (software) - Wikipedia

    en.wikipedia.org/wiki/U3_(software)

    Some host systems—such as photo kiosks, consumer electronics, and other embedded computing devices—cannot correctly mount U3 "smart drives." The problem may arise because the emulated CD-ROM is the first drive presented to the host system. As such, the device is detected as a CD-ROM drive or not at all.

  5. Compact Disc and DVD copy protection - Wikipedia

    en.wikipedia.org/wiki/Compact_Disc_and_DVD_copy...

    If the drive has to seek forwards, the sector's original content "Jill" is returned. If the drive has to seek backwards, the sector's twin "Mary" is returned. A protected program can check whether the CD-ROM is original by positioning the drive behind sector 6553 and then reading from it — expecting the Mary version to appear.

  6. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    Data Carrier Detect (DCD) or Carrier Detect (CD) is a control signal present inside an RS-232 serial communications cable that goes between a computer and another device, such as a modem. This signal is a simple "high/low" status bit that is sent from a data communications equipment (DCE) to a data terminal equipment (DTE), i.e., from the modem ...

  7. Hard Disk Sentinel - Wikipedia

    en.wikipedia.org/wiki/Hard_Disk_Sentinel

    The software is designed to find, test, diagnose and repair hard disk drives, reveal problems, display health and avoid failures by using S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) function of hard disk drives. [34] [35] [36] The detected information can be saved to file in formats such as HTML, text, or XML. [37] [38] [39]

  8. Data corruption - Wikipedia

    en.wikipedia.org/wiki/Data_corruption

    Many errors are detected and corrected by the hard disk drives using the ECC codes [17] which are stored on disk for each sector. If the disk drive detects multiple read errors on a sector it may make a copy of the failing sector on another part of the disk, by remapping the failed sector of the disk to a spare sector without the involvement of ...

  9. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    The Japanese version of the Windows 95 SETUP program supports a special option /AT to enforce that Windows will be on drive C:. Some versions of DOS do not assign the drive letter, beginning with C:, to the first active primary partition recognized upon the first physical hard disk, but on the first primary partition recognized of the first ...