It may not be exactly the same thing, but some JMicron implementations have an insidious corruption problem.

http://bigacid.wordpress.com/2008/12/08/jm20337-read-data-corruption-solution/

-BZ


At 10:05 AM 7/02/14, you wrote:
I have seen this same sort of issue with a particular USB to IDE/SATA adapter that I have. The IDE part works like it should, but the SATA part will not report errors and will return garbage data where the errors are (maybe it was data from the previous read, maybe not, point is not good data). What this means is that somewhere (in my case the USB adapter) something was not designed to properly handle errors.


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