mirror of
https://github.com/raspberrypi/rpi-eeprom.git
synced 2026-01-20 21:13:36 +08:00
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Raspberry Pi 4 EEPROM bootloader rescue image
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Raspberry Pi 4 EEPROM bootloader rescue image
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*********************************************
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*********************************************
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The Raspberry Pi4 has a small EEPROM used to store the bootloader.
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The Raspberry Pi 4 has a small EEPROM used to store the bootloader.
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This rescue image reverts the bootloader EEPROM to factory default settings.
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This rescue image reverts the bootloader EEPROM to factory default settings.
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@@ -10,11 +10,11 @@ version (138a1) with better full-speed Isochronous endpoint support.
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To re-flash the EEPROM(s)
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To re-flash the EEPROM(s)
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1. Unzip the contents of this zip file to a blank FAT formatted SD-SDCARD.
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1. Unzip the contents of this zip file to a blank FAT formatted SD-CARD
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2. Power off the Raspberry Pi
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2. Power off the Raspberry Pi
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3. Insert the sd-card.
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3. Insert the SD-CARD
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4. Power on Raspberry Pi
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4. Power on Raspberry Pi
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5. Wait at least 10 seconds.
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5. Wait at least 10 seconds
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This easiest method for creating and formatting the SD-CARD is to use the
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This easiest method for creating and formatting the SD-CARD is to use the
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Raspberry Pi Imager from https://raspberrypi.org/downloads
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Raspberry Pi Imager from https://raspberrypi.org/downloads
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@@ -22,7 +22,7 @@ Raspberry Pi Imager from https://raspberrypi.org/downloads
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If successful, the green LED light will blink rapidly (forever), otherwise
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If successful, the green LED light will blink rapidly (forever), otherwise
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an error pattern will be displayed.
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an error pattern will be displayed.
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If a HDMI display is attached then screen will display green for success
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If a HDMI display is attached then the screen will display green for success
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or red if failure a failure occurs.
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or red if a failure occurs.
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N.B. This image is not a bootloader it simply replaces the on-board bootloader.
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N.B. This image is not a bootloader it simply replaces the on-board bootloader.
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