I understand the backward compatibility of the LTO products.  My question is 
this:  If I write to LTO3 media with an LTO4 drive, can I then take that media 
and read it in an LTO3 drive?  I understand the read and write one generation 
back and read two generations back but the way it is worded leaves me to 
believe that the drive would need to be the same or newer.  Or, does the LTO 4 
drive detect the fact that the tape medium is LTO 3 and write it in an LTO 3 
readable format (density, speed, etc)?

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