I've only been able to find PSone and PS2 data sheets and I understand Dreamcast ones are hard to find if not non-existant, so if anyone has the pinout for the FFC ribbon cable to the GD-Rom optical pickup (on the XV779 board) I'd be eternally grateful.
This is a Hail Mary.
![Smile :)](./images/smilies/icon_smile.gif)
Here's where I found the Playstation schematics, in case no one was aware of this site yet:
http://fileshare.eshop.bg/index.php?what=search2