Question: Has scalar option on the crystal oscillator; 1 to 1 divide by ratio, can he use a 20Mhz fundamental frequency crystal in the one-one mode and get 20Mhz out?

Answer: When in Divide by 1, X1 and X2 are turned off, so he can't feed the output of CLKOUT1 (there won't be any) into CLKIN2.