#Edit bin firmware file update

Windows will copy the firmware payload of each update package to a safe location under the System directory, prepare the system to perform the firmware updates and trigger the system to restart. When a firmware update package is installed, it's processed by Windows as a driver package. To allow a firmware update package to target a firmware update to the appropriate system hardware, Windows surfaces a device instance for each entry in the ESRT, where such a device instance exposes a Hardware ID that identifies it as belonging to the ESRT entry. If a device is targeted by a firmware update package that also includes system firmware, it can't be targeted by a second firmware update package that only targets the device. It's recommended that each firmware update package target a single firmware resource (UEFI system firmware or a single device), but there may be circumstances where it's advantageous to have a single firmware update package that updates both system firmware and one or more devices.Ī device can't be targeted by more than one firmware update package. The firmware for a single device in the system.

For more information about security catalogs and drivers, see Catalog Files and Digital Signatures and Creating a Catalog File for a PnP Driver Package.įirmware update packages must be capable of updating one or more of the following types of firmware: Each firmware update package includes a single binary file that contains the entire firmware payload (for example firmware.bin) and a security catalog that Windows uses to validate firmware.bin.