Summary
Information about the location and meaning of the markings on an Intel® Xeon® Processor for the LGA775 socket
Description
Where do I find the markings for processors that support the LGA775 socket? What do the markings represent?
Resolution
All Intel® Server Processors have markings inscribed on the top of the processor package.
Markings:
| Line 1 | CPU speed/L2 cache size/Bus speed |
| Line 2 | Processor Family (e.g. Xeon) |
| Line 3 | sSpec # (e.g. SL028) and Manufacturing Country (e.g Malay for Malaysia) |
| Line 4 | Processor number (e.g. X3220) |
| Line 5 | Finished Process Order (FPO) |
| Line 6 | Assembly Test Process Order (ATPO) |
| Line 7 | Partial Serial Number |
Serial Number = Line 5 + Line 6 + Line 7 (for example, 2822B890-1Z688177B9996)