Paradise EGA can do 64 colours in lowres on a 5154? That deserves more investigation. It certainly does appear so. I don't have a 5154 to test it on, but I just built an MCE2VGA. It does 64-color mode selection based on VSYNC polarity just like the 5154 does, and doesn't (AFAIK) have a manual …

I decided to take a deep dive into the EGA capabilities of my Amstrad PC1640. Had lots of fun along the way - built a circuit to convert CGA/EGA to analog for the GBS-8200, using an EEPROM for the encoding logic (got the idea from the IBM5154 service manual). Also got EGA hi-res mode working on the …

HI! First time poster, long time lurker. I'm starting a video series where I install some cool things in my Amstrad PC1640. First up it's an XT-IDE clone that I got real cheap from Russia : https://www.youtube.com/watch?v=7kQ6Flyze5A