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Firmware hacks usually take advantage of the firmware update facility on many devices to install or run themselves. Some, however, must resort to exploits to run, because the manufacturer has attempted to lock the hardware to stop it from running unlicensed code. Most firmware hacks are free software.
Open Firmware is a standard defining the interfaces of a computer firmware system, formerly endorsed by the Institute of Electrical and Electronics Engineers (IEEE). It originated at Sun Microsystems where it was known as OpenBoot , and has been used by multiple vendors including Sun , Apple , [ 1 ] IBM and ARM .
A UEFI compatible OS is now responsible for exiting boot services triggering the firmware to unload all no longer needed code and data, leaving only runtime services code/data, e.g. SMM and ACPI. [ 102 ] [ failed verification ] A typical modern OS will prefer to use its own programs (such as kernel drivers ) to control hardware devices.
systemd, a software suite providing system components for Linux operating systems, implements a blue screen of death similar to that of Microsoft Windows using a systemd unit called systemd-bsod since August 2023, which was fully added on December 6, 2023 starting with version 255 of systemd. [38]
A hotfix is a software update that is released outside the normal update cycle or intended to be applied to a live system; often to fix a bug. [1] Originally, hotfix referred to patching a hot system – a production server that is actively serving clients. For development, such a change usually must be designed quickly and outside normal ...
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An Adaptation kit upgrade (AKU or Adaptation kit update) updates Microsoft's Windows Mobile operating systems for devices (excluding Windows 10 Mobile).. It is a collection of updates, fixes and enhancements to the tools delivered to hardware device manufacturers to create or update devices based on a specific platform.
The ThinkPad Edge E550 was released in 2015, as an update to the ThinkPad Edge 540. The new E550 includes new Intel 5th Gen Broadwell low power processors, 1920x1080 FHD Screen options, and new AMD R7 Mobile Dedicated Graphics. The ThinkPad Edge E555 was released in 2015, as an update to the ThinkPad Edge 545.