kickstart 3.1 roms in an a1200

[Moschops]

hi can anyone point me in the direction of a set of instructions on how to replace my 3.0 roms in my a1200 with 3.1 ones ?
is it an easy process?
also i have a cf hdd installed in my amiga will that need new worchbench installing or will it function the same with the new chips?
thanks andy

[Moschops]

thanks going to try tomorrow hopefully should be simple enough