IBN 5100

Lore & Background

The IBN 5100 is the focal point of the conflict between the SERN organization and the Future Gadget Lab. Its existence proves that time travel is possible through simple technology rather than massive particle accelerators. Throughout the various iterations of history, the machine remains a constant, witnessing the rise and fall of world lines, the death of friends, and the desperate struggle to reach Steins Gate. It stands as a testament to the idea that even outdated technology can hold the power to save or destroy the future.

In Their Own Story

The hum of the old cooling fan filled the cramped lab, a white noise against the rain lashing against the window. Okabe stared at the green phosphor glow of the IBN 5100 screen, his fingers hovering over the clunky keys. The cursor blinked, a rhythmic pulse waiting for the command that would shatter reality once more. He typed the coordinates, not with hope, but with the heavy resignation of a man who had seen too many futures die. As he pressed enter, the machine whirred, and the world outside seemed to hold its breath before dissolving into static.

Reader's Guide

The IBN 5100 functions as the command center for D-Mail transmission. When connected to a specific microwave oven tuned to a precise frequency (2.4 GHz), it can send text messages back in time to the user's own mobile phone. This process is not without severe consequences. The act of changing the past triggers 'Reading Steiner,' a phenomenon where the protagonist retains memories of previous world lines while everyone else forgets them, often causing intense physical and mental distress. The system has limitations; messages can only be sent to dates within roughly ten years of the current time, and the content must be concise. Furthermore, altering history too drastically can lead to catastrophic outcomes or attract the attention of SERN agents who seek to control the technology.

Did You Know?

• The IBN 5100 was a real computer model released by NEC in the early 1980s, known for its BASIC programming capabilities.
• In the original timeline, the machine is used to send D-Mails that inadvertently lead to SERN's discovery of time travel technology.
• The distinctive sound of the keyboard and the monitor's glow became iconic audio-visual motifs representing a world line shift.
• Okabe often personifies the machine or treats it with dramatic reverence, fitting his 'mad scientist' persona.