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   REPLYTO 3:770/3.0 UUCP   
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   PID: SoupGate-Win32 v1.05   
   On 2024-06-06, Nikolaj Lazic  wrote:   
   >   
   > you can test the card with "badblocks -o /report -t random -swv /dev/your_sd"   
   > and see the report.   
      
   I don't think that works - if I read the manual correct, badblocks writes   
   the same pattern to all blocks, it will not detect fake cards where multiple   
   blocks map to the same memory location.   
      
   You can use f3write / f3read. Those write files with known, non-repeating   
   patterns to fill the whole device (you need a filesystem for that), and then   
   verify them.   
      
   cu   
   Michael   
   --   
   Some people have no respect of age unless it is bottled.   
      
   --- SoupGate-Win32 v1.05   
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