Sega Mega Drive
Sub-pages
Capacitors (Mega Drive)
The Sega Mega Drive (known as the Genesis in North America) is a fourth-generation home video game console released in J...
Board Scans (Sega Mega Drive)
There is a great KiCad recreation of the schematic and PCB of the Mega Drive here .
Schematics (Sega Mega Drive)
There are various schematics available. For the easiest reading use this remake schematic from here . 📎 Mega Drive Sch...
Hardware Overview (Sega Mega Drive)
The Mega Drive circuit is mostly made up of the following chips: 68000 CPU (Motorola MC68000) SRAM for 68000 (TC51832SPL...
AV Pinout (Sega Mega Drive)
The Mega Drive / Genesis 1 has the exact same port, cable and AV pinout as the Master System 1. It also has the same pin...
Audio Circuit (Sega Mega Drive)
Depending on the version of Mega Drive the audio circuit is slightly different, but the overall design is the same. Audi...
Game Cartridge Pinout (Sega Mega Drive)
Below is the pinout to the game cartridge.
CXA Video Encoder (Sega Mega Drive)
The video encoding for generating composite and RGB video data from the VDP chip is the CXA1145 video encoder. The CXA11...
Jailbar Fix (Sega Mega Drive)
More commonly seen when doing CleanRGB mods or other RGB mods that give a clean output, you will notice vertical jailbar...
Controller Interface (Sega Mega Drive)
The Mega Drive controller has two main variants, that act differently. Both have the exact same pins and work on all con...