Hi, On Wed, 11 Dec 2019, Geert Uytterhoeven wrote:
> > (BTW, if any kernel developer wants to take a look, I can make the A1200 > > or the A4000 remotely accessible, via a Raspberry Pi. Serial console, and > > hardware-reset for the Amiga via RPi GPIO. On boot it would just fetch a > > new kernel from the RPi (from AmigaOS), before trying to boot it. So if > > anyone feels like debugging this, it's there. We've done this before for > > debugging the MorphOS kernel on the same hardware, worked quite well.) > > Just wondering: how do you reset the A4000 remotely? > By pulling the keyboard clockline low? By controlling power? > Anything else? We made an adapter which with a PLCC socket, which piggybacks the Fat Gary chip, and exposes the _KBRESET line coming from Pin 36 or so on a Pin header. So you can hook it up to and pull that line from the RPi GPIO, effectively causing a hardware reset. A similar hack is possible with the Gayle chip on the A1200, and some "PCMCIA reset fix" Gayle-piggyback adapters available at some retro HW resellers already expose this pin. Some details here: https://www.amigaworld.de/workshops/reset-am-amiga/ (in German). Cheers -- Charlie
