Alta Frequenza / af-allegati only hold TI SI (SNLA027B, SDAA499), which do not state vSafe5V/vSafe0V. CabCon R2.5 §1.6 defers volts to USB PD. HDMI 1.4 TMDS stays UNKNOWN.
Add VENDOR to SourceType. HDMI 2.0/FRL fill TMDS1204 PCB numbers as VENDOR RECOMMENDED; TMDS1204-specific skew/vias/data_rate/SIGDET stay PHY_DEPENDENT. HDMI 1.4 TMDS remains UNKNOWN. Not HDMI Forum STANDARD.
INDEX.md lists cites. PDFs gitignored. HDMI 1.4 TMDS Zdiff stays UNKNOWN. pcbsync not packed.