Windows 3.x at above 60Hz

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Windows 3.x at above 60Hz

Postby cde » 2019-6-04 @ 14:30

Hello,

When running Windows 3.11 on my newly acquired CRT, the output vertical refresh rate is 60 Hz with slightly visible flickring and causes me eye strain.

Is it possible to get a higher refresh rate at this resolution or above? My monitor is a iiyama LS704UT and the graphics card a GeForce 2 MX (but I also have a S3 Trio3D available):

https://cdn.iiyama.com/f/24e55371dca907 ... ut-int.pdf
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Re: Windows 3.x at above 60Hz

Postby rmay635703 » 2019-6-04 @ 19:40

Specific graphics cards and monitors supported this via the control panel (including many OEMs)

I had a 1mb pci graphics card in my mid 1996 AMD 5x86 that came with a lot of neat special effects, xing mpeg and of coarse full resolution, color depth and refresh rate controls all under Windows 3.1

I had downgraded to an old VGA monitor at that point and having the virtual 800x600 screen on 640x480 pan and scan was pretty neat

I even made due with 4mb for a while until ram prices dropped massively (upgraded to 20mb for $69)
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Re: Windows 3.x at above 60Hz

Postby Anonymous Coward » 2019-6-06 @ 15:55

GeForce2 MX doesn't have a Windows 3.x driver correct? That means you're using a generic SVGA driver of some sort? The driver will determine the refresh rate, so you might want to see if any of the generic VESA drivers support something better like 72MHz. Typically with the older cards with proper 3.x drivers, they had driver packages that provided a lot of options for setting refresh rates and colour depths.
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Re: Windows 3.x at above 60Hz

Postby Jo22 » 2019-6-07 @ 14:44

The S3 cards had fine Windows 3.11 support, in my opinion. The drivers supported all kinds of features, such as DCI, scaling/stretching, Bit-Blit, video decoding, colour transformation etc.
Becareful with the Trio3D, though - it's an early AGP 1.x card so it may not work with modernlAGP slots.
Also, it does thread AGP like a fast PCI slot @66MHz. It doesn't support features like AGP's GART.
That being said, it works fine in DOS. It even suports ViRGE's S3D API, I believe. though it needs a TSR in DOS for compatibility with ViRGE 325 games.

https://www.vogonswiki.com/index.php/S3
http://vintage3d.org/trio3d.php
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Re: Windows 3.x at above 60Hz

Postby cde » 2019-6-09 @ 10:35

Thanks all for your replies. Unfortunately the generic SVGA driver does not like the GeForce 2 MX. I have decided to use my LCD display instead of the CRT when the refresh rate is 60 Hz until I replace this card.
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Re: Windows 3.x at above 60Hz

Postby Jo22 » 2019-6-09 @ 10:58

Ok, good luck! :)

PS: There's also an utility that changes 60Hz to 67Hz in Standard VGA..:
67HZCT.ZIP from https://www.uwe-sieber.de/util.html
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Re: Windows 3.x at above 60Hz

Postby oeuvre » 2019-6-11 @ 16:41

i'm just waiting for windows 3.x in 144Hz
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