Rock64 4Gb variant bricked
#4
When pin 20 clamped to GND, "SPI-FLASH-ROM" can not be read.
Therefore, boot-loader skips "SPI-FLASH-ROM", and boot from SD-Card.

However, in the clamped state, virtually "SPI-FLASH-ROM" is disable (it can not be read), so probably can not erase it.
I think that it is necessary to release the clamp promptly, after boot starts from the SD-Card.

What is the procedure you performed?

Sorry, it was a mistake
x "pin 20" -> o "pin 21"


Messages In This Thread
Rock64 4Gb variant bricked - by magare - 09-06-2018, 03:29 AM
RE: Rock64 4Gb variant bricked - by dkryder - 09-06-2018, 10:27 AM
RE: Rock64 4Gb variant bricked - by magare - 09-06-2018, 04:20 PM
RE: Rock64 4Gb variant bricked - by t4_4t - 09-06-2018, 07:57 PM
RE: Rock64 4Gb variant bricked - by magare - 09-06-2018, 08:10 PM
RE: Rock64 4Gb variant bricked - by t4_4t - 09-07-2018, 05:27 AM
RE: Rock64 4Gb variant bricked - by magare - 09-07-2018, 04:05 PM
RE: Rock64 4Gb variant bricked - by z4v4l - 09-07-2018, 06:39 AM
RE: Rock64 4Gb variant bricked - by z4v4l - 09-07-2018, 05:02 PM
RE: Rock64 4Gb variant bricked - by magare - 09-07-2018, 05:15 PM
RE: Rock64 4Gb variant bricked - by t4_4t - 09-07-2018, 05:08 PM
RE: Rock64 4Gb variant bricked - by magare - 09-07-2018, 09:39 PM
RE: Rock64 4Gb variant bricked - by magare - 09-07-2018, 10:40 PM
RE: Rock64 4Gb variant bricked - by z4v4l - 09-07-2018, 05:51 PM
RE: Rock64 4Gb variant bricked - by t4_4t - 09-08-2018, 03:19 PM
RE: Rock64 4Gb variant bricked - by magare - 09-08-2018, 03:37 PM
RE: Rock64 4Gb variant bricked - by t4_4t - 09-08-2018, 05:28 PM
RE: Rock64 4Gb variant bricked - by magare - 09-08-2018, 08:12 PM
RE: Rock64 4Gb variant bricked - by t4_4t - 09-08-2018, 10:25 PM
RE: Rock64 4Gb variant bricked - by magare - 09-08-2018, 11:07 PM

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