To provide SMBIOS support for (specification 2.6, released in 2008), you would typically implement features such as new structure types, extended field lengths, and better 64-bit system support.
While this seems standard now, in 2009, multi-core processors were becoming mainstream, and older SMBIOS versions struggled to accurately distinguish between physical cores and logical threads. Version 2.6 helped software accurately report hardware specs to the user. smbios version 26