I have been using an R270 with these modifications for over a year now with 100% success rate.I have done all variants of M35080, CAS 3, and 080D0WQ. 080D0WQ takes a minute or so to decode but it works. It does take quite a few tries for the R270 to be able to detect it though. When doing a CAS module, you need to use a hot air gun and keep it blowing on the processor.
Replace AH08 with genuine TI SN74AHC08DR (AH08) on main board.
Remove yellow capacitor on C1 on the adapter board.
Use a high quality 12V power supply
Replace 74HC125 with genuine TI CD74HCT125M96E4 on the adapter board.
Replace the capacitor on the main board with a high quality 10V 1000uf capacitor
Replace R11 on adapter board with 10k resistor.
Finally, when using the software, always select "No" during the "check pin state" popup.
Hopefully you find this information useful. I have also attached a working version of the software.
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