This will take your memory upto a mind blowing 320metres or around 120kb (depends what options you have enabled.)
Of course I'll tell you what parameter to change and I'll bung in a list of all the expensive options, of which most will work on Denford Fanuc controls

You need to back up all your parameters and diagnostic parameters and any progs in the control. Having the maintenance manual would be helpful.
The chips can be put in in half an hour, getting it to work after is a bit slower.
Not looking for millions but a bit more than computer ram!
Interested? PM me