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TUSB9261: Production test mode?

Part Number: TUSB9261

We are looking at how to validate our hardware in manufacturing production without installing a SATA drive.  Does TI have any recommendations or examples of how device functionality can be validated without a drive connected? 

 

We were thinking of ways to loopback the SATA lines or run the device in a way that can detect a loopback (if we provide a connection), but I wasn’t able to find any discussion of this type of option in the product documentation.

 

Is there a way to do production loop-back testing to avoid having to connect a SATA drive?