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A modern PC is configured to attempt to boot from various devices in a certain order. If a computer is not booting from the device desired, such as the floppy drive, the user may have to enter the BIOS Setup function by pressing a special key when the computer is first turned on (such as Delete, F1, F2, F10 or F12), and then changing the boot order. [6]
This is a 32-bit value that is intended to identify uniquely the disk medium (as opposed to the disk unit—the two not necessarily being the same for removable hard disks). The disk signature was introduced by Windows NT version 3.5, but it is now used by several operating systems, including the Linux kernel version 2.6 and later. Linux tools ...
The active partition is the partition where the boot flag is set. DOS and Windows allow only one boot partition to be set with the boot flag. [4] Other boot loaders used by third-party boot managers (such as GRUB or XOSL) can be installed to a master boot record and can boot primary or extended partitions, which do not have the boot flag set.
Boot signature may refer to: VBR boot signature , a signature in IBM PC compatible floppy and superfloppy boot sectors (Volume Boot Records) MBR boot signature , a signature in IBM PC compatible fixed disk and removable drive boot sectors (Master Boot Records)
In 1996, largely due to Kittyhawk's failure, Hewlett-Packard closed its Disk Memory Division and exited the disk drive business. [5] [6] The story of HP Kittyhawk is described in a Harvard Business School business case "Hewlett-Packard: The Flight of the Kittyhawk", and is a case study in the book The Innovator's Dilemma by Clayton M. Christensen.