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  1. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    It is easier to solder, and even resistor misconfiguration does not cause boot0 errors, and faster boot speed than starting from hibernation
  2. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Yes, the 3v3 pads are too far away
  3. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    The scenario has been successfully tested
  4. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    I think it should be the impedance mismatch that causes noise to enter the emmc and is written to corrupt the data.There are many considerations for high-speed signal line routing 1686106760 When the cable is impedance matched, if the resistors do not match, it will only cause EMMC slowdown...
  5. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Sorry, I'm replying to a message from Vittorio, maybe the gba has a bug, not quoted
  6. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    1686105801 This board has a record of damaging EMMC in my locality
  7. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Sorry, can you take a screenshot, I can't register an AliExpress account here :D
  8. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Physical damage may be 3.3V shorted to dat0, non-physical damage may be signal integrity issues
  9. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    There are too many versions to be counted, but you can pay attention to the plates where the crystal oscillator is near the EMMC signal line, they are very likely to damage the EMMC
  10. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Their boards are generally compatible with PICO zero, and do not support i2c, and they are sold directly using the firmware here, regardless of bugs, recently their boards will damage eMMC, including damage BOOT0, and some versions will even physically damage eMMC
  11. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Yes, the firmware used by these boards is here, the version is usually 2.67, but these boards are defective, there are many bad BOOT0 cases on my side, and the merchant seems to be in an after-sales crisis at present
  12. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Everything will be solved quickly, I will take a break
  13. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Maybe it can be so?
  14. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    These messages say that they are unusable and will cause boot0 problems
  15. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Can be used
  16. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    I was making, but failed
  17. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

  18. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

  19. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    This is because I forgot to set the DRC rule, change the rule to 0 and that's it
  20. SQc04

    Hacking Hardware Picofly - a HWFLY switch modchip

    Green should be normal,The first boot will flash white
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