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-rw-r--r--board/lego/ev3/README3
1 files changed, 3 insertions, 0 deletions
diff --git a/board/lego/ev3/README b/board/lego/ev3/README
index da62a649ba..9ad93e8205 100644
--- a/board/lego/ev3/README
+++ b/board/lego/ev3/README
@@ -50,3 +50,6 @@ software or a 3rd party program capable of uploading a firmware file.
If you are booting from the microSD card, it is enough to just write uboot.bin
to the flash. If you are not using a microSD card, you will need to create an
image file using the layout described above.
+
+IMPORTANT: The EEPROM bootloader only copies 256k, so u-boot.img must not
+exceed that size!