Reply To: VGA input quality (via Dreamcast)

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The only issue I’m aware of with the OSSC and Dreamcast is that the Dreamcast uses a 720×480 frame size, where the VGA spec uses 640×480, and the OSSC defaults to 640×480 when it receives 480p via RGBHV.

You can either configure the OSSC to force 720×480 for 480p signals by changing ‘480p in sampler’ from ‘Auto’ to ‘DTV 480p’, or you can leave it on Auto and configure your Toro for RGBS. (Side note, if your Toro is set to output RGBS, you have the choice of using either VGA + RCA->3.5mm cables or a SCART cable; whichever best fits your setup.)