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projects:kindlepw5 [2022/10/12 10:34] trimenprojects:kindlepw5 [2022/10/31 12:49] – [eMMC interposer:] trimen
Line 4: Line 4:
 -<del>HW UART</del>\\ -<del>HW UART</del>\\
 -U-Boot CLI\\ -U-Boot CLI\\
--<del>UART Linux shell</del>\\+-<del>UART Linux shell</del>  (require jailbreak)\\
 -Reverse engineering of unlocking mechanism\\ -Reverse engineering of unlocking mechanism\\
 -<del>eMMC interposer</del>\\ -<del>eMMC interposer</del>\\
Line 14: Line 14:
 Amazon also removed debug UART connector from the PCB.\\ Amazon also removed debug UART connector from the PCB.\\
 On the production devices, the UART Linux shell is disabled.\\ On the production devices, the UART Linux shell is disabled.\\
 +28-10-2022:\\
 +If u-boot fails to load the kernel from eMMC, it enters fastboot.\\
 +
  
  
Line 77: Line 80:
  
 ====eMMC interposer:==== ====eMMC interposer:====
-In order to be able simply to modify, read out and backup content of the eMMC chip, I created an interposer with the connector on which the board with the eMMC chip is placed.\\ +In order to be able to easily modify, read outand backup content of the eMMC chip, I created an interposer with the connector on which the board with the eMMC chip is placed.\\ 
-Pinout was chosen to match PINE64 eMMC module and [[https://pine64.com/product/usb-adapter-for-emmc-module |reader]]. The connector used on the PINE64 eMMC module and reader is unfortunately hard to get, so I used the same pitch, but different dimensions connector. As I check it, it should be possible to place chosen connector to the reader PCB.+Pinout was chosen to match the PINE64 eMMC module and [[https://pine64.com/product/usb-adapter-for-emmc-module |reader]]. Unfortunately, the connector used on the PINE64 eMMC module and reader is hard to get, so I used the same pitch, but different dimensions connector. As I check it, it should be possible to place chosen connector to the reader PCB.
  
 Files are available at GitLab [[https://git.taktpraha.cz/trimen/keib|KEIB]] Files are available at GitLab [[https://git.taktpraha.cz/trimen/keib|KEIB]]
  
 +31-10-2022\\
 +PCBs arrived along with the reballing stencils and balls.
 ====Boot log:==== ====Boot log:====
 <code> <code>