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Lawrence.1955

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  1. Hello, What does Ccleaner write to wipe free space in "normal" and "secure, one pass" modes? If one of these setting's writes ones to space reported "free" by the OS that will be very good. As I understand it, writing " 1 " (ones's) to nand flash SSD's resets and "empties" the cell ready so it's ready to accept new writes directly. Only one "pass" is necessary for a reset. However, writing " 0 " (zeroes) fills the cell with information that is retained which the controller then must remove in a separate operation before it can then write to the cell in a subsequent operation. Having to perform these two operations is what slows down writes on SSD's. Which wipe mode writes "ones"? If neither do, can the wipe mode be set to write "ones". Thanks Lawrence
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