Have this board here, but can't find any Info on it. Says Neptune board on the silkscreen, tag say model MSD138 T devDates are about 1990 to 1992. https://www.dropbox.com/s/uu8x7bc5a08jw90/IMG_2200.jpg?dl=0 https://www.dropbox.com/s/e8z542sdnusjpqa/IMG_2201.jpg?dl=0 https://www.dropbox.com/s/xql6w5zhiismbel/IMG_2199.jpg?dl=0
- Jerry
