From: nowhere@nevernet.at   
      
   On 24/04/2022 02:33, muta...@gmail.com wrote:   
   > On Sunday, April 24, 2022 at 12:50:05 AM UTC+10, wolfgang kern wrote:   
   >   
   >> this 4K sectors joined in for lower costs and   
   >> speed reasons, it wasn't a size issue.   
   >   
   > Thanks for that info.   
   >   
   > In that case - do you know what happens with a   
   > disk drive that has 4096-byte sectors and a BIOS?   
      
   it depends on the age of the BIOS, 4K HDs can be read   
   on 512 byte bounds anyway (just a bit slower then)   
      
   > If you do a BIOS INT 13H to read a sector using LBA,   
   > does it read 512 bytes or 4096 bytes?   
      
   512 bytes, 4k aligned read/writes are recommended for   
   speed reasons only.   
   __   
   wolfgang   
      
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