> That is, if I plug into a ~10 year old Vizio television
> everything works fine at a reasonable resolution (1280x1024? I haven't yet
> figured
> out which utility to use to query display properties)
Here's a simple way:
term% echo `{dd -if /dev/screen -bs 64 -count 1}
> , but if I plug it into a Dell
> S2817Q the monitor says "No signal detected."
That's a 4k monitor, I think. The native resolution is probably too big
to fit in the virtual area allowed for the kernel frame buffer. (Lack of
foresight - monitors were smaller when 9pi was first done.)
I'll see about fixing that soon. Meanwhile, you should be able to use
hdmi_group and hdmi_mode settings in config.txt to request a lower resolution.
Or add something like "vgasize=1600x1200x16" to the command line in cmdline.txt
-
either method should work.
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