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* Improved SDRAM refresh timings for Pi5 - 16GB * Add an option to wait for the power button to be pressed before booting. If POWER_OFF_ON_HALT=1 and WAIT_FOR_POWER_BTN=1 in the bootloader config then the bootloader will wait for either the power button to be pressed or an RTC alarm before booting. The wait state switches the PMIC to STANDBY mode which is the lowest possible power state.
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.