From: antispam@fricas.org   
      
   Don Y  wrote:   
   >   
   > I.e., the mounting holes for SAS and SATA drives are identically placed.   
   > So, I can mount a SATA or SAS drive on a SATA sled or a SAS/SATA sled.   
   > (there's nothing preventing the SAS from being mounted on the SATA-only   
   > sled).   
   >   
   > So, I *could* "force" that sled into a SATA-only backplane.   
   >   
   > I.e., the better solution would have been for the drives to have different   
   > mounting hole patterns so you could NOT mount a SAS drive on a SATA-only   
   > sled and have the connectors trying to mate.   
      
   PC tradition is that you can plug-in appropriate interface card   
   and connect new devices.  AFAICS currently nothing prevents   
   puting SAS drives into drive bays originally carrying SATA drives   
   and connect the drives to SAS interface.  Different pattern of   
   mounting holes would make this harder.  Of course, some manufacturers   
   play such games and introduce gatitious incompatibilities.   
   But ATM it seems that drive makers are reasonable with placement   
   of mounting holes.  Different connectors are enough to prevent   
   accidental wrong connection, and connectors are relatively   
   low value items compared to drives, so there is less trouble   
   with stocking different types of connectors.   
      
   --   
                                 Waldek Hebisch   
      
   --- SoupGate-Win32 v1.05   
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