I have looked at the Spec sheet for the ATMega8 for setting the CKSEL Fuse bits. I can see where it can be set for up to 8 MHz.. External Crystal. How do I set the CKSEL bits for an external Crystal from 10 to 16 MHz. I must be missing something on the spec sheet. It looks like the maximum External Crystal setting is only 8 MHz. whereas the ATMega8 can operate up to 16 MHz.?