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Boot sector
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== The IBM PC and compatible computers == On an [[IBM PC compatible]] machine, the [[BIOS]] selects a boot device, then copies the first sector from the device (which may be a [[master boot record|MBR]], [[Volume Boot Record|VBR]] or any executable code), into [[physical memory]] at [[memory address]] 0x7C00. On other systems, the process may be quite different.
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