problem about uploading to board

I followed the guide to install the Arduino board, but upload failed, the error messages:
avrdude: stk500_getsync(): not in sync: resp=0x00
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

Anyone who could help me?
:frowning:
Thanks..

make sure you have the right board selected.

In the IDE, click tools --> board.

mine is the squidbee mote.
even though i'm not sure the arduino board is duemilanove/Atmega328 or duemilanove/Atmega168, i tried both.
still failed..
do you know why?

-->I figured out it's Duemilanove with ATMEGA 328.
but still failed