Hi Antti

I see you have just replied too.

When I program F84's I select 16F84 as the device & it works fine!

Cheers
        Dennis

----------
> From: Antti Lukats <antti@SISTUDIO.COM>
>
> no the driver is same, but you should select C84 as device I believe
> let me know if it still does not work.
>
> thee 3FFF FF reading does not indicate OK, it just indicates no data
> it may be balnk chip or no chip.
>
> antti
>
>
> -- Silicon Studio Ltd.
> -- http://www.sistudio.com