I have aquired one of the Wiz prototypes with the 2 dpads, but I have been led to believe that the pinout for the EXT connector is different. If anyone has it, that would be great, since I need to build a cable to charge it etc.
I'm not quite sure if the prototypes support JTAG over the EXT port. Furthermore the MK0 and MK1 seem to have slightly different pinouts.
You can try this JTAG pinout if you dare. But it's only an educated (lol) guess. TDO and TDI may be exchanged, I really don't know.
I assume that at least some of these pins are used for the DIP switches on the dev board (cfgbootmode, shadow, etc) so maybe it doesn't work at all...
I have a MK0 - I wired RX and TX to the pins you gave in the other thread, but I don't seem to be getting any serial output, just constant voltages. Also, the pins that you said gave 3.3V seem to give nothing at all...
On gp2x.de the guy called Andy seemed to have got his serial connection working with his MK0 Wiz- did he give you the pinout for the MK0 at all?
Yeah, most of the pin out is from Andy. Afaik the RXD and TXD pins are the same on both versions. But again: Are you really sure you are on the correct pins? I firstly made the mistake using the picture in the GP2x Wiki:
http://wiki.gp2x.org/wiki/EXT_Port
But the EXT connector on the Wiz (and the Samsung E810 plug) seem to count this way:
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