Re: [avrdude-dev] AVR Dragon with OS X Intel Machine

[James Snyder]

That indeed did do it! Seems to be working perfectly now.

Thanks to everyone for the fabulous open source dev tools :-)

Sorry for spamming the dev list, but, at least initially there I thought 
I might have had a bug.

Joerg Wunsch wrote:
> As James Snyder wrote:
>
>   
> > Now when I try to program through the dragon I get a different
> > decvice signature each time I try to connect to the AVR ...
> >     
>
> Well, that's better than no response at all. ;-)
>
> That smells like running the ISP with a too high speed.  As it is
> technically an SPI, you must not clock it with more than F_CPU / 4.
> The Dragon's default setting is 1 MHz (IIRC), so is way too high
> for the default 1 MHz RC oscillator.
>
> Try running it with -B 10 to make it slower.
>
>