I did set it to 4 MHz and then it started to work flawlessly. The cable booted in disk mode - reflashing with astrisctl and it can now be recognized by Astris itself:pic.twitter.com/JwHi8DXVBq
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Now let’s examine common problems The first one is damaged motherboard. There’re 2 broken tracks (one per side) that come from USB power of both cords. Something wasn’t powered up at all?
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Here they are already fixed with little pieces of copper wires, but you can recognize their locations anyway:pic.twitter.com/aRFRayWCgv
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Another problem is connector: 1) It’s weirdly ringed (continuity testing) with multimeter
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2) Its bottom side’s pin pad (which is meant to be connected with the port) looks recessed. Not sure you can see that on the photo below, but it is. This, I believe, makes connection between it and the female port very unstable or just not working at allpic.twitter.com/Cg0UIslcNb
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So, it is to be replaced. As I mentioned in my Lightning write-up, Kong’s connector doesn’t have any logic inside, as it’s handled by MCU and FPGA inside the enclosure. The pinout is written with silk on the MLB. I replaced the connector with jumper wires and a breakout boardpic.twitter.com/whK0PMC4Yd
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Now, the last problem - Kong doesn’t seem to like modern HOSTIDs (again, look at my Lightning write-up in case you don't know what this means):pic.twitter.com/RXlRhMoDme
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But that can be fixed easily by setting disableIdCheck environmental variable: astrisctl setenv disableIdCheck 1 (Only available in newer firmwares such as 0.52 or 0.49)
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Replying to @1nsane_dev
Impossible RE hack - don’t tell anyone: strings firmware.bin
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