You should only need to set the correct crystal (Internal 1MHz RC).
Just to see if your CPU is running at the correct frequency, just toggle a pin every 1 second, attach an LED to the pin and see if it flashes at the correct frequency.
[code:1:e3ebb1bdc7]do
toggle PORTD.3
WAIT 1
loop[/code:1:e3ebb1bdc7]
Regards
Ian Dobson
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