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Where to Find Intel® Boxed Processor Serial Numbers (FPO and ATPO) for Warranty Request

Content Type: Identify My Product   |   Article ID: 000005609   |   Last Reviewed: 02/05/2025

Information about Intel® Boxed Processor numbers for warranty

Boxed processors

To process your warranty request, or check your processor's warranty status, you will need two numbers:

  1. Batch number (FPO)
  2. Serial number (ATPO) or partial serial number (partial ATPO).

FPO stands for - Finished Process Order and ATPO stands for Assembly Test Process Order.

Click or the topic for details:

Where to find the numbers for warranty

FPO and ATPO are listed on the box of the Intel® Boxed Desktop Processor
Note This method applies to the universal Intel® Boxed Processor only.

The two numbers are listed on the box that shipped with Intel Boxed Processor.

The batch number (FPO) is listed as Batch#, and the full serial number (ATPO) is listed as S/N:

box number example

FPO and ATPO are also part of the processor's markings
Note This method applies to the universal and the China Intel® Boxed Processor.

For Intel® Core™, Pentium®, or Celeron® Processors, follow the steps below.

  1. The batch number (FPO) is located on the top of the processor.
  2. The partial serial number (partial ATPO) is located on the outside edge of the processor. The partial serial number contains the last three to five digits from the full serial number for the processor. It is printed in human-readable format on the outside edges of the processor.
  3. A 2D matrix contains the full serial number (full ATPO). Find more Options to read the serial number using 2D Matrix.

example image

Note

Starting Q1 of year 2022, 12th Gen Intel® Core™ Desktop Processors and later Desktop Processor generations will feature a second 2D Matrix and the new Intel trademark (Intel trademark) on the top of the processor. The second 2D Matrix will have the same full serial number (ATPO) as the first 2D Matrix that is located on the outside edge of the processor.

For Intel® Xeon® Processors, refer to Intel Xeon processor markings.

To check the warranty status, refer to How to Check the Warranty Status of My Intel® Boxed Processor.

 

 

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This article applies to 71 products.
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