Official Retro G.E.M HDMI Mod Kit
 
Basic Edition: upgraded to the shiny edition via license upgrade page here
 
- Nintendo N64
- Playstation 1 PS1 (Original)
- Playstation 2 PS2 (Fat Model)
- Dreamcast
 
Check here for specific compatibility
 
I have spare flexes available here
 
The Retro GEM is the ultimate HDMI kit for your retro gaming consoles. 
 
Digital lag-free HDMI output
Simple firmware update procedure via WiFi
Advanced scaling and video filters.
 
Installation Instructions are here
 
Additional notes for PS1 fat
Analogue audio output crackling fix
Replace bottom three 1k resistors near CXD2925Q with 100-560R
See picture
Confirmed fix for the PU-18 revision
 
Additional notes for PS2 
in case of display problems with fmv in 720p mode , change this setting:
video > shift/crop > vertical height
 
Any question contact david@oldskoolconsoles.com