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It doesn't really do much in the way of processing (https://www.siliconmotion.com/download/3PS/a/SM750_PB_EN_201...); it's pretty much just a dumb framebuffer. You can wire it up to output over an HDMI connector, but with the features it supports you're really just getting a single-link DVI signal.

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It is just an old school 2D style card, with some (shape) primitives acceleration (unused), two logical controllers (no idea why), but has DMA (used) and a hardware cursor (also used). There's no onboard audio either. It's pretty much a GPU for rack mount servers that require occasional log in. It's exactly what I was looking for desktop work, it runs cinnamon fairly well, and won't clash with my Nvidia setup :)

two logical controllers (no idea why)

For dual-monitor versions?

Yes. Stupid comment of mine tbh, I saw it as pointless for this card, but they wouldn't make a separate version of the controller just for this

One avenue I looked at for a real 2560px width was that the second controller was physically independent and could have different hardware limits of the first controller by virtue of supporting DVI directly (but not being physically connected to another port).

Unfortunately other controller is logical so that was a bust.

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