AVR-Chat

On Sun, May 30, 2010 at 7:32 PM, Dean Claxton <deanclaxton@gmail.com> wrote:
> Hi everyone,
>
> I seem to have a bad batch of mega 128's in that for the current project I
> am finding that 20 to 30% of the chips are not programmable, or some appear
> to have faulty A/D ports.

Are you running crystal oscillator with the CKOPT fuse in the default state?