Sega Dreamcast
The Sega Dreamcast, released in 1999, was Sega’s final home console and the first of its generation to include a built-in modem for online play. It features a Hitachi SH-4 CPU, PowerVR2 GPU, and a unique VMU (Visual Memory Unit) for storage and display. This section covers hardware revisions, common failure points (like PSU and GD-ROM drive issues), and repair/modding techniques