If you're in trouble and cannot find an answer to a question which goes beyond Stack Overflow...
If you have a not-so-usual solution for your problems but need to justify it to your boss...
If you like to think on your own rather than blindly follow "common wisdom" and "profound truth"...
...then 'No Bugs' Hare on Soft.ware might be the right place for you.
Your mileage may vary. Batteries not included

When writing our software, we need to think about hardware which will run our software.

Hardware, page 2:

Modified Harvard Architecture: Clarifying Confusion

Abstract: Definition of “Modified Harvard” architecture is confusing and overbroad. Proposed alternatives are “Almost-Harvard” and “Almost-von-Neumann”
Quote: “One thing nobody realised for a while is that the system with the least possible amount of chargebacks is the system which rejects all transactions outright”