#344 [Docs] Reliable in-circuit-programming mod

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opened 2 years ago by swiftgeek · 0 comments

Document changes required to make in-circuit-programming more reliable

Different values for resistors and diode for flash supply.

Schottky diode is going to enable easier programming with BBB/RPi without use of external power supply (As it will limit power consumption to flash alone)

(X200 is used as base for this guide)

TODO: Check how it works with CH340g after this mod

Compatible with:

  • x200 (after cutting solder bridge - R405 - between flash chip and ICH9M)
  • x200s/x200t/w700 - 25xx flash Vcc is hardwired :( (to be confirmed on production board)
  • t400/t400s/t500/x301 - 25xx flash Vcc is hardwired, as everything else on UCI/lenovo boards
Document changes required to make in-circuit-programming more reliable Different values for resistors and diode for flash supply. Schottky diode is going to enable easier programming with BBB/RPi without use of external power supply (As it will limit power consumption to flash alone) (X200 is used as base for this guide) TODO: Check how it works with CH340g after this mod Compatible with: * x200 (after cutting solder bridge - R405 - between flash chip and ICH9M) * x200s/x200t/w700 - 25xx flash Vcc is hardwired :( (to be confirmed on production board) * t400/t400s/t500/x301 - 25xx flash Vcc is hardwired, as everything else on UCI/lenovo boards
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