diff --git a/eeprom-erase/README.md b/eeprom-erase/README.md
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+The `erase_eeprom` `config.txt` option causes `recovery.bin` to execute a chip-erase operation on the bootloader SPI EEPROM.
+This is a test/debug option and there is no need to manually erase an EEPROM before flashing it.
+
+If the SPI EEPROM is erased then the Raspberry Pi will not boot until a new EEPROM image has been written via `RPIBOOT`
+or the Raspberry Pi Imager (Pi4 and Pi400 only).
+
+```bash
+cd erase-eeprom
+../rpiboot -d .
+```
diff --git a/eeprom-erase/bootcode4.bin b/eeprom-erase/bootcode4.bin
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+++ b/eeprom-erase/bootcode4.bin
diff --git a/eeprom-erase/config.txt b/eeprom-erase/config.txt
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+erase_eeprom=1
+uart_2ndstage=1