pardon the slowness of this update, ms750 golden iso has been posted in my repair thread:
mcintosh (escient) ms750 music server, diagnostics and modifications [hardware/software]
since the golden cd has become increasingly difficult to find and download hopefully this ill fated attempt at a backup copy will suffice. some assembly required i.e. read the decompression notes. might be a good idea to have all the downloaded files in a separate directory to make things...
audiokarma.org