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* Adjust the SDRAM refresh interval based on the temperature. This addresses the gap in performance between the 8GB and 4GB variants. See https://github.com/raspberrypi/firmware/issues/1864 * Preliminary support for signed boot.
rpi-eeprom
This repository contains the scripts and pre-compiled binaries used to create the rpi-eeprom package which is used to update the Raspberry Pi 4 and Raspberry Pi 5 bootloaders EEPROM images.
Support
Please check the Raspberry Pi general discussion forum if you have a support question.
Reset to factory defaults
To reset the bootloader back to factory defaults use Raspberry Pi Imager to write an EEPROM update image to a spare SD card. Select Misc utility images under the Operating System tab.
Bootloader documentation
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