Halt and Catch Fire Gets the '80s PC Revolution Perfectly Right. Here's How

Why the BIOS scene in Halt and Catch Fire is so good: “Technical adviser Carl Ledbetter, an IBM senior lab director during the ’80s, was on set that day—and not just in the wings. He was under the desk, controlling the lights on the bread board, a visual representation of the hexadecimal code Pace and McNairy’s characters are reading from the IBM PC ROM BIOS chip. Ledbetter also hand-fed preprinted pages of the final BIOS assembly code through the scene’s dot-matrix printer at a pace to match the device’s correct speed (as gleaned from YouTube videos).”