The partial serial number (partial ATPO) is the last three to five digits from the serial number for the processor. These are printed in human readable format and located on the outside edges of the processor.
You can use the partial serial number along with the batch number (FPO) to check the warranty status of Intel Processor.
Refer to How to Check the Warranty Status of My Intel® Boxed Processor on how to use the partial serial number (Partial ATPO) and the batch number (FPO) to check the status of your Intel Processor.
|Find serial (ATPO) and Batch (FPO) numbers for warranty of Intel Boxed Processors
|Frequently Asked Questions about Warranty for Intel® Processors
|Read Serial Number for Intel® Boxed Processors Using Third-Party Applications