Buying a G540 programmer
I have been collecting old EPROM chips for many years. Now I was curious what data these hold exactly. I am not looking for program data but more for character maps, hidden “Easter eggs” . Something like this Hack a day ((Hack a day on hidden photographs in old Mac ROM chips )) post.
So I went to ebay an bought one of this widespread available “Genius G540 ((G540 programmer on ebay))” EPROM programmers. Continue reading Genius G540 EPROM programmer: what’s inside and initial startup