Dmiedit+520 ((exclusive))

: Re-entering the original system serial number (SSN) and UUID after a board swap so software licenses and warranties remain valid.

The "520" typically refers to the version or series within the Aptio 5.x firmware ecosystem . Unlike standard BIOS updates that flash the entire firmware, targets specific "strings" or metadata fields used by the operating system and management software to identify hardware. Key Capabilities DMIEDIT User Guide NDA | PDF | Microsoft Windows - Scribd dmiedit+520

: Restoring a serial number after a motherboard replacement . Asset Tags : Adding internal inventory tracking numbers . : Re-entering the original system serial number (SSN)