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Apple Computing Products:
macOS - Operating System
Low level formatting of an SD card
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<blockquote data-quote="bobtomay" data-source="post: 1660026" data-attributes="member: 24160"><p>What a bunch of FUD.</p><p></p><p>The only thing the formatter from sd card association is good for is for maintaining what they call the "Protected Area" for the SD card's "security function". What is this security function you ask? Why that is the area that keeps CPRM (Content Protection for Recordable Media) data. </p><p></p><p>Yep, you got that right, content protection. This area is not accessible through the file system. It's only accessible from devices that are cprm enabled. If you're not writing content protected media to the card, there ain't no need for that area - imho.</p><p></p><p>And formatting has nothing to do with "clearing out file fragments". File fragments are what are created during writes to a drive and pieces of a file being written to different areas of a drive due to there not being enough free contiguous space. This has nothing to do with Disk Utility and formatting the drive nor any other formatting utility but the way in which the various operating systems write to drives.</p></blockquote><p></p>
[QUOTE="bobtomay, post: 1660026, member: 24160"] What a bunch of FUD. The only thing the formatter from sd card association is good for is for maintaining what they call the "Protected Area" for the SD card's "security function". What is this security function you ask? Why that is the area that keeps CPRM (Content Protection for Recordable Media) data. Yep, you got that right, content protection. This area is not accessible through the file system. It's only accessible from devices that are cprm enabled. If you're not writing content protected media to the card, there ain't no need for that area - imho. And formatting has nothing to do with "clearing out file fragments". File fragments are what are created during writes to a drive and pieces of a file being written to different areas of a drive due to there not being enough free contiguous space. This has nothing to do with Disk Utility and formatting the drive nor any other formatting utility but the way in which the various operating systems write to drives. [/QUOTE]
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Apple Computing Products:
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Low level formatting of an SD card
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