Braille / Dot Matrix Patterns Under PCBs of HGST Drives

Jared

Administrator
Staff member
Has anyone else noticed or been interested by these braille looking dot patterns under the PCB of modern HGST drives?

20171214_105742.jpg20171214_105750.jpg

These two pictures are from two drives with exactly the same specs right down to the date. The only difference is the serial number.

Anyone have any idea how to read this code?
 
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