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I do not understand why my partitions always start on absolute sector 63. What is the purpose of sectors 1 through 62? I understand sector 1 is the MBR but what about the rest? Thanks!

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Sector 0 is the MBR. Sectors 1 to 62 are empty so that the file system starts on an aligned boundary. Newer versions of Windows start at the 1MB boundary.

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