Refurb weekend II: Alpha Micro Eagle 300 and friends

This Refurb Weekend is a sequel in two ways. Six years ago I fixed the power supply and case fan in my 68EC030-based Alpha Microsystems Eagle 300, a more modernized and substantially faster Alpha Micro running AMOS, their unique DEC-inspired multiuser operating system. These blue-collar boxes were very common in many vertical markets due to their tightly integrated business-specific software packages, and are especially unusual for running their big-endian 68000-series processors little-endian (for data file backwards compatibility with their WD-16 ancestors). The 1990s-era Alpha Micro Eagle family improves on the originals with later 68K and even ColdFire CPUs, plus Ethernet and faster SCSI. The second way it's a sequel is to our previous Alpha Micro refurb weekend, a double header restoring an Alpha Micro AM-1000 and AM-1200, two members of Alpha Micro's most popular series of computers and some of the closest things they made in the early '80s to desktop workstations. From the…