Hi, I'm mostly using the Ben NanoNote nowadays (which has a Jz4740), which has a USB device port that can be used to unbrick it. I saw someone talk about unbricking the mipsbook as well, thinking of JTAG.
I don't want to discourage you, but I would advise to see if the Jz4730 of the mipsbook can be unbricked in the same way. According to Ingenic's Linux source, there is a usb device controller on-board, and there is something called BOOT_SEL (which with the 4740 is used to switch between nand boot and usb boot). I opened my mipsbook, and found a header which seems to be for a mini-USB-B connector (so to make the mipsbook use the device port). If my mipsbook would be bricked, I'd solder a connector to that and see if it can be made to work. Perhaps it's better to first do that with a working machine, though, so you can test if the port can indeed be used. Just a suggestion. :-) Perhaps some people may want to use the port for "normal" things as well, which should of course also be possible. You probably need some (smd) components with it; I'm just guessing that it will work "good enough for unbricking" without them (they're probably for improving the link quality). I may well be wrong about that, of course. Thanks, Bas
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