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Are 4k screens supported by any AmigaNG compatible gfx-card?
Quite a regular
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As the title says. I'm planning to upgrade my monitor for my X1000, but I'm not sure if there are any gfx-cards that has support for 4k displays.

I also want video acceleration with the new DvPlayer and Enhancer pack, but for this I need a new gfx-card. But which one? Anyone of the SI cards or the RX cards that supports 4k *video* decoding?

And this...:
News for RadeonHD.driver from 2013 says this:
"The new Version 1.0 RC2 (Release candidate) adds a few new features and bug fixes which improves card initialisation and solves intermittent boot problems which affected some Sapphire RadeonHD 6570 cards."

I have one such card and have started to experience intermitten boot problems a few years ago or so. Specifically after cold boot. Has the bug returned?

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Develops for OnyxSoft and the Amiga using E and C and occasionally C++
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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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It would be cool if 4K works well on AmigaOS. I might hold out for 64K monitors though.

:)

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Deniil

The problem are too strict frequency borders in graphics library, see here.

There has been a beta release which is in testing right now...let's see what comes of it.

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Raziel
It was checked and at least modes like 3580x1440 from 32Hz to 40Hz work. So need to wait for another update :))

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@kas1e

Awesome, thank you for the heads up.

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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The current RX driver already supports 4k and uwxga.
My main monitor works like a charm at 3440x1440@61Hz. (Asus VG34VQL1B).
It also works with my LG C9 OLED tv at 3840x2160@30Hz. The 30Hz makes window movement slugish so it's not really useable. But it works.

Let's hope that the updated timing will allow for 4k@60Hz.

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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Last year there was article in Amiga Future about 4k resolution monitor with AmigaOS4.1fe. I will try to find and write here exact type and resolution of gfx + monitor.

AmigaOS: Micro A1-C, AmigaOne XE, Pegasos II, Sam440ep-flex, AmigaOne X1000
MorphOS: Efika 5200b, Pegasos I, Pegasos II, Powerbook, Mac Mini, iMac, Powermac Quad
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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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There were two articles - in AmigaFuture nr.147 and 148. Unfortunatelly I have only second one, the monitor type is probably in nr.147.
Anyway, resolution with AmigaOs4.1Fe was 3440x1440. Cards tested was R7 265 and other one, mentioned in nr.147

AmigaOS: Micro A1-C, AmigaOne XE, Pegasos II, Sam440ep-flex, AmigaOne X1000
MorphOS: Efika 5200b, Pegasos I, Pegasos II, Powerbook, Mac Mini, iMac, Powermac Quad
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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@sailor

I have issue 147.

The cards mentioned in that article are Radeon HD 7750 and 7850, and the monitor is an Iiyama ProLite XUB-3493WQSU.

Best regards,

Niels

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Raziel

Thanks for the explanation.
I seem to have lost my password at the Hyperion board so I hope your read here:

I noticed you suggested some weekly warning timer (supposedly to popup on bootup or whatever) if VSYNC is set to low. Please DO NOT let some horror like that plague the rest of the Amiga life with 4k+ screens, that's insane! Either it works or your monitor blows up. Don't need a reminder every week or any such at all.

Warning before allowing to Test, Use or Save screenmode is all we need. No other silliness on bootup at 1024x768 (that won't likely display on CRT anyway). Even if someone with CRT sets VSYNCMIN to 25 doesn't mean it will ever choose such a frequency. It's just a limit of what you can set.

@tonyw

> Anyway, we've changed the hard-coded limit from 50 Hz down to 25 (and corrected the spelling of "Hz" from "hz").

That's wrong! Herts is abbreviated "Hz" and nothing else. "hz" is wrong. Change it back.

Like "mb" (millibit, whats that?). MB=megabyte, Mb=megabit, kB=kilobyte, kb=kilobit, KB=Kelvinbyte (what's that??).

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Deniil

Quote:
That's wrong! Herts is abbreviated "Hz" and nothing else. "hz" is wrong. Change it back.

Yes, he knows. That's why they - quote - "corrected the spelling of "Hz" from "hz".

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@trixie

Aah!! I read from Hz to hz... bah, sorry ;)

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Deniil

Quote:

Quote:

I noticed you suggested some weekly warning timer (supposedly to popup on bootup or whatever) if VSYNC is set to low.

Please DO NOT let some horror like that plague the rest of the Amiga life with 4k+ screens, that's insane! Either it works or your monitor blows up. Don't need a reminder every week or any such at all.


I don't know where you got that from, but I didn't suggest anything like that.

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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Raziel

Good to hear you say that and sorry for rambling, but I read/skimmed through the comments about allowing VSYNCMIN to be set below 50Hz with regard to CRT monitors.

You wrote: ("by Raziel » Thu Jan 13, 2022 9:06 pm")
....
wrt the changes

First of all, thank you
Second I would like to know if there is any chance I could test it?
Maybe with a time-out after a week or so or a timer that counts the library open state and stops working after 50?
....

Ah, maybe that was regarding to a beta-version timeout, not a requester warning for the VSYNC setting?

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Develops for OnyxSoft and the Amiga using E and C and occasionally C++
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Re: Are 4k screens supported by any AmigaNG compatible gfx-card?
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@Deniil

Yep, I was requesting a timed beta version.
I didn't get one, but Roman confirmed it is working in beta, so that's enough for me for now.

Keep on rambling

People are dying.
Entire ecosystems are collapsing.
We are in the beginning of a mass extinction.
And all you can talk about is money and fairytales of eternal economic growth.
How dare you!
– Greta Thunberg
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