A technique is disclosed that utilizes WMI and SMM to overcome the
dependency of capsule firmware updates on a UEFI-specific ESRT table and runtime
service so that capsule firmware updates can be supported on legacy BIOS as well as
Creative Commons License
This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License.
INC, HP, "SUPPORTING UEFI CAPSULE FIRMWARE UPDATES ON LEGACY BIOS", Technical Disclosure Commons, (July 20, 2018)