ATMEGA1284P timing issue (delay function)

this brand new atmega1284p-pu chip 16mhz external oscillator (crystal).

much surprise ;-) took first upload attempt of blink sketch. ponyser programmer happens have buffered led on mosi - pb5 pin, maps arduino pin 13, 1284 started blinking.
but ever slowly.... timed 16 seconds delay(1000).

i didn't touch fuses, default, , suspect problem.

apparently, factory set fuse "internal oscillator @ 8mhz , fuse ckdiv8 set, resulting in 1 mhz system clock".
since arduino runs @ 16mhz , seem have 1/16 ratio, slower response seem indicate indeed run @ 1mhz.

would please confirm evaluation?
also, 16mhz crystal , 2 22p caps connected pins 12 , 13, appears isn't being used , doesn't cause problems either, being connected , all.

thank info on this.

your assessment correct.

you need "burn bootloader" isp programmer (i guess ponyser isp? ) in order set fuses tell use external crystal. or set fuses using avrdude command line, or use usbasp extremeburner avr)

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