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A comment on Testing an SD Card's true capacity. Parent comment

Re:Testing an SD Card's true capacity by TazeTSchnitzel on Tuesday July 11, 2017 @10:35AM (#14744494)
Then there's the fakes that modulo the address. Write beyond the end of the actual flash and you'll write over the start!
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Re:Testing an SD Card's true capacity by mikeash on Tuesday July 11, 2017 @11:25AM (#14744951)
Seems like that would be the simplest way to design one. Just leave off some of the high address lines.
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