If you are planning to run Linux on a standard Alpha based system, then there are pre-built "standard" Milo images that you might use. These (along with the sources and other interesting stuff) can be found in url url="ftp://gatekeeper.dec.com/pub/Digital/Linux-Alpha/Miniloader".
The images subdirectory contains a directory per standard system (eg AlphaPC64) with Milo images having the following naming convention:
The test-images, like the images subdirectory contains a directory per standard system. These images are somewhat experimental but tend to contain all the latest features.