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USB Key Mode: The user must insert a USB device that contains a startup key into the computer to be able to boot the protected OS. Note that this mode requires that the BIOS on the protected machine supports the reading of USB devices in the pre-OS environment. BitLocker does not support smart cards for pre-boot authentication. [29]
USB device communication is based on pipes (logical channels). A pipe is a connection from the host controller to a logical entity within a device, called an endpoint. Because pipes correspond to endpoints, the terms are sometimes used interchangeably. Each USB device can have up to 32 endpoints (16 in and 16 out), though it is rare to have so ...
Data recovery. In computing, data recovery is a process of retrieving deleted, inaccessible, lost, corrupted, damaged, or formatted data from secondary storage, removable media or files, when the data stored in them cannot be accessed in a usual way. [ 1] The data is most often salvaged from storage media such as internal or external hard disk ...
Hibernation (also known as suspend to disk, or Safe Sleep on Macintosh computers [ 1]) in computing is powering down a computer while retaining its state. When hibernation begins, the computer saves the contents of its random access memory (RAM) to a hard disk or other non-volatile storage. When the computer is turned on the RAM is restored and ...
Support was added to regular Windows with Windows Vista Service Pack 1 and Windows Server 2008, both released on February 4, 2008. An update for Windows XP and Windows Server 2003 was later released. Most of the vendors signing on for licenses are manufacturers of embedded systems or device manufacturers that produce media formatted with exFAT.
The virtual CD-ROM drive cannot be removed by reformatting because it is presented to the host system as a physical device attached to a USB hub; [3] the official U3 Launchpad Removal Software was available on the U3 website and disabled the virtual CD drive device, leaving only the USB mass storage device active on the U3 USB hub controller ...
Defragmentation. In the maintenance of file systems, defragmentation is a process that reduces the degree of fragmentation. It does this by physically organizing the contents of the mass storage device used to store files into the smallest number of contiguous regions (fragments, extents ). It also attempts to create larger regions of free ...
Prior to version 7, Microsoft Windows did not take any specific measures to support solid state drives. From Windows 7, the standard NTFS file system provides support for the TRIM command. (Other file systems on Windows 7 do not support TRIM.) [262] By default, Windows 7 and newer versions execute TRIM commands automatically if the device is ...