Refurb weekend double header: Alpha Micro AM-1000E and AM-1200

I've mentioned previously my great affection for Alpha Microsystems hardware, which are rather obscure computers nowadays, but back in the 1980s and 1990s were fairly sophisticated 68000-based multiuser systems that turned up in all kinds of vertical markets. For example, my first Alpha Micro (an Eagle 300) came from a party supplies store, my Eagle 450 was in a 9-1-1 emergency dispatch centre,…