RetroTink 2X Output 480i?

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  • #27074
    bamf226
    Participant

    I have my RetroTink 2X connected to my OSSC. The OSSC seems to think the output is 480i instead of 480p. Is there a setting I’m missing on one of the devices?

    #27079
    bamf226
    Participant

    I did more testing and it seems that composite and component come across as 480i to the OSSC, but S-video is 480p. This seems very weird to me. I guess it should be noted I am using the VGA converter sold by Castlemania Games

    #27081
    nmalinoski
    Participant

    The OSSC seems to think the output is 480i instead of 480p.

    This doesn’t make sense to me. If you’re referring to what’s displayed on the OSSC’s screen, that’s describing the input signal, not the output signal; so it’s receiving 480i, and it’ll be up to your TV or other downstream video processor to display what the OSSC’s output resolution is.

    In the case of S-Video appearing as 480p, that’s likely the RT2X line-doubling 240p or 480i from S-Video and providing it as 480p to the OSSC.

    #27082
    bamf226
    Participant

    The OSSC sees the output from the RetroTink 2X as 480i for both composite and component. Now I think the component 480i was because of the PS2 I was using to test. It didn’t matter though if the RetroTink 2X was in passthrough or 2X mode. Both of them were being received by the OSSC as 480i. I don’t know if this is because i didn’t turn off the OSSC when making the changes to the RT2X.

    The OSSC was seeing S-video as 480p input in both 2X and passthough mode on the RT2X

    #27084
    nmalinoski
    Participant

    The OSSC will automatically resync when it detects a mode change, so if you switch between, say, 240p and 480i, it’ll pick that up automatically–no need to powercycle it.

    The only reason I can think of that the OSSC would be detecting S-Video from the RT2X as 480p is if it’s still line-doubling it. Does the RT2X remember line-doubling modes per-input, and did you toggle the video processing modes on the RT2X with S-Video active?

    #27097
    bamf226
    Participant

    The RT2X doesn’t remember modes. It starts at 2X by default. I tested again today with my Gamecube to make sure what I was seeing. I hooked up composite to the RT2X and chained it into the OSSC. In 2X mode, the output was 480p as expected. In passthrough mode, the output was 480i. I know PS2 output is 480i, is that the same for Gamecube? I thought PS2 was the only one outputting in 480i

    #27109
    nmalinoski
    Participant

    I believe the PS2, Xbox, and the GameCube normally start up in 480i/576i, and they all require something specific to enable higher video modes (PS2 needs software support and sometimes holding a button on start, GameCube requires something on the digital AV port and a button press, Xbox needs a YPbPr component cable and an NTSC video region configured). I’m only aware of an alternate BIOS for the Xbox that would make it boot in a higher resolution.

    Dreamcast is the outlier, in that it will output 480i/576i if you have any kind of video cable connected other than a VGA cable/box; and then, with the VGA cable/box, it only outputs 480p.

    #27111
    bamf226
    Participant

    Ok, I see. That makes sense.

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