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I also came here to ask more or less this question. I have an old HP fixed frequency monitor (https://www.hpmuseum.net/display_item.php?hw=208 https://www.hpmus
by tiagod 5y ago
I also came here to ask more or less this question. I have an old HP fixed frequency monitor (https://www.hpmuseum.net/display_item.php?hw=208 https://www.hpmuseum.net/display_item.php?hw=208) that I want to connect to a Raspberry Pi, and its not clear how to achieve this.
- LargoLasskhyfv 5y agoSeems you have separate RGBHV on the monitor side. See [·] https://en.wikipedia.org/wiki/Component_video https://en.wikipedia.org/wiki/Component_video To get that from your PI's HDMI you'd need something like [·] https://www.amazon.com/Portta-3-5mm-Audio-Converter-support/dp/B003O55U8K https://www.amazon.com/Portta-3-5mm-Audio-Converter-support/... and then something like this [·] https://www.monoprice.com/product?p_id=562 https://www.monoprice.com/product?p_id=562 Then you'd construct a custom Modeline like described in [·] http://howto-pages.org/ModeLines/ http://howto-pages.org/ModeLines/ & [·] https://tldp.org/HOWTO/Framebuffer-HOWTO/ https://tldp.org/HOWTO/Framebuffer-HOWTO/ for I guess 1280x1024@60Hz? Maybe you don't even need to, because that is a common VESA resolution(SXGA) which should be provided anyways? So by setting this as fixed resolution by whichever means at startup, it could work. Maybe there are a even a few different ones to choose from, with slightly different timings, polarities. Or you could change that at the monitor itself. The second pdf from your link suggests that. I mean if the picture is rolling slowly up or down, or something like that. I don't use PIs, so I don't know how the firmware works, which modes it supports, and how this all interacts with that videocore-thing, nowadays. But that you'd need the converter gadgets and cable from there is obvious.