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Intel typically asks customers who contact us for support to write down all of the numbers on both the heat spreader and the substrate. Some CPU’s, such as mobile processors and the Core i7, do not have a human readable ATPO - only the 2D barcode. We use Cognex scanners to read them (2D barcode serial number). On the Xeons, I believe the serial number is in human readable format.
Intel Customer Support
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Thank you for your reply. So far, we do see the 2D barcode only on newer Xeon 5500 series processors, but it is good to know the i7 has the same 2D barcode format. Do you happen to know the model of Cognex scanner in use? We may have hundreds to thousands of these serial numbers that will need to be captured.