Welcome to the board, memphgis!
It might be useful to look at your settings and provide a name in your postings.
Yes, it's true you can go external, but in the interest of time, either staying in the system, or completely bypassing the AC system ( using an external paper based or electronic) seem to be the preferred options.
Fetch flow does look interesting, but it's a lot easier when the cot an icd are already entered
