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Document bootrom error screen format in a human-readable format
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== BootROM Errors ==
== BootROM Errors ==
+Here is the format of the numbers displayed on the error screen:
+ BOOTROM 8046
+ ERRCODE: ffWWGGNN
+ p3p2p1p0 p7p6p5p4
+ sd_softE sd_hardE
+
+* <code>ff</code>: sleep switch state (2==MCU sleep switch closed, 1==GPIO sleep switch closed (very bad if this happens), 0==sleep switch open)
+* <code>WW</code>: NVRAM (WiFi Flash) FIRM load error code
+* <code>GG</code>: ntrboot FIRM load error code
+* <code>NN</code>: NAND header (NCSD) load error code
+* <code>p<N></code>: NAND FIRM partition load error code. Note the order of the partitions in the error code!
+* <code>sd_softE</code>: software error (driver status bits, see one section lower)
+* <code>sd_hardE</code>: hardware error (SD controller status bits ? see one section lower)
+
+
Sample error-screen(where firm0+firm1 RSA signatures were corrupted):
Sample error-screen(where firm0+firm1 RSA signatures were corrupted):