Creo que el de Saturn y el de MGD 2 son diferentes.
No no lo son:
http://www.hardwarebook.net/connector/av/sega3.html
http://www.hardwarebook.net/connector/av/sega2.html
Sega Saturn A/V
10 PIN SPECIAL MINI-DIN FEMALE at the Console.
Pin Description
1 Sync
2 Stereo L
3 Stereo R
4 +5VDC
5 Red
6 Green
7 Blue
8 Composite Video
9 Luminance
10 Chrominance
Sega Genesis 2/32X/Nomad A/V
9 PIN SPECIAL MINI-DIN FEMALE at the Console.
9 PIN SPECIAL MINI-DIN MALE at the Video cable.
Pin Description
1 Blue
2 +5VDC
3 Green
4 Composite Video
5 Sync
6 Audio Mono
7 Red
8 Stereo L
9 Stereo R