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  2. Device configuration overlay - Wikipedia

    en.wikipedia.org/wiki/Device_configuration_overlay

    Device configuration overlay (DCO) is a hidden area on many of today's hard disk drives (HDDs). Usually when information is stored in either the DCO or host protected area (HPA), it is not accessible by the BIOS (or UEFI ), OS , or the user.

  3. Host protected area - Wikipedia

    en.wikipedia.org/wiki/Host_protected_area

    The IDENTIFY DEVICE command queries a particular register on the IDE controller to establish the size of a drive. This register however can be changed using the SET MAX ADDRESS ATA command. If the value in the register is set to less than the actual hard drive size then effectively a host protected area is created.

  4. ATATool - Wikipedia

    en.wikipedia.org/wiki/ATATool

    ATATool is freeware software that is used to display and modify ATA disk information from a Microsoft Windows environment. [1] The software is typically used to manage host protected area (HPA) and device configuration overlay (DCO) features and is broadly similar to the hdparm for Linux.

  5. IEEE 1394 - Wikipedia

    en.wikipedia.org/wiki/IEEE_1394

    FireWire devices implement the ISO/IEC 13213 configuration ROM model for device configuration and identification, to provide plug-and-play capability. All FireWire devices are identified by an IEEE EUI-64 unique identifier in addition to well-known codes indicating the type of device and the protocols it supports.

  6. Data erasure - Wikipedia

    en.wikipedia.org/wiki/Data_erasure

    Data erasure (sometimes referred to as data clearing, data wiping, or data destruction) is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by overwriting data onto all sectors of the device in an irreversible process. By overwriting the data on ...

  7. Device mapper - Wikipedia

    en.wikipedia.org/wiki/Device_mapper

    The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices. It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots .

  8. List of shell icon overlay identifiers - Wikipedia

    en.wikipedia.org/wiki/List_of_Shell_Icon_Overlay...

    The remaining icon overlay handlers are not used. [2] Many applications such as versioning software like TortoiseSVN and cloud storage synchronization software like Nextcloud, Dropbox, and OneDrive add their own icon overlay handlers to the Registry upon installation. Below is a table of shell icon overlay identifiers by software.

  9. Hardware overlay - Wikipedia

    en.wikipedia.org/wiki/Hardware_overlay

    In computing, hardware overlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside computer video hardware. The technique aims to improve the display of a fast-moving video image — such as a computer game , a DVD , or the signal from a TV card .