How to disable on-chip scaling on nVidia VGA when using LCD monitor @DVI-D

Emulation of old PCs, PC hardware, or PC peripherals.

Re: How to disable on-chip scaling on nVidia VGA when using LCD monitor @DVI-D

Postby Elbereth » 2017-10-27 @ 13:13

dr.zeissler wrote:I went back to i865gv due to the fact, that there is no real solution for my purpose.

In short:
- Nvidia: DVI-Output ugly, VGA output not centred !
- ATI: DVI-Output sharp, drivers and compatibility ugly! (Dos-Vesa, Win9x/Win2k drivers do crash my machine, black icons, freezes, argh! no way)
- Intel: VGA sharp and clear, dos-compatiblity excellent ! fast enough for retro-gaming (up to q3 enigine)

Doc



Good info I never even thought to test out the onboard "Intel Extreme graphics" for any DOS purposes I always threw in AGP cards just out of habit. Have an intel and asus 845/865 sitting in storage with onboard intel VGA that I should test out. They had flawless Vesa mode/KVM compatibility now that I think about it.
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Re: How to disable on-chip scaling on nVidia VGA when using LCD monitor @DVI-D

Postby RayeR » 2017-10-27 @ 13:59

OK, I heard some complaints abou intel windows drivers, problems in 3D etc. Theirs VESA BIOS maybe OK. So if it works for you be happy...
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Re: How to disable on-chip scaling on nVidia VGA when using LCD monitor @DVI-D

Postby dr.zeissler » 2017-10-29 @ 10:30

btw. no scrolling issue in ega-apogee-games (e.g. ddave), color-palette could be fixed with a tool for keen, ccaves.
win3x-drv exits for i815, all others (i845/865) could be patched for 256colors (win3x vesa-drv).
quickview 1.03 finds the vesa 3.0 implementation and displays all images up to truecolor under plain dos.
deluxepaint3x finds the vesa drv and supports up to 1024x768 with an excellent crystal clear and sharp centered image.
jazz2 works with hw-acc for 640x400 which leads to very smooth scrolling.
i am currently experimenting with the i865gv and dgvoodoo/nglide because my thinclint is so small that a v1/2 does not fit in it.
CPU: PII 133-333 MOBO: SNI-D981 RAM: 512- FDD: Dualfloppy 3,5"HD/5,25"HD - 3,5"HD - 5,25"DD ISA-Catweasel HDD: 2x40GB - DVD
ISA(3): Audician32-S2Dreamblaster - GusACE PCI(3): Monster3D- Intel NW AGP(1): Matrox G200 8MB
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Re: How to disable on-chip scaling on nVidia VGA when using LCD monitor @DVI-D

Postby dr.zeissler » 2017-10-29 @ 10:34

what is really interrsting is the fac, that the i865gv supports some dx9features. i have a lot of remakes of old 68k-intros/crackstros.
normally they tell me to install win9x so that they do start, but I have installed win2k that comes with dx7 out of the box and most
of these great cracks remakes do work with dx7 on that intel igp. If I install an ati/nvidia they refuse to load with that same config.

http://cyberpingui.free.fr/realpcremakes.php
CPU: PII 133-333 MOBO: SNI-D981 RAM: 512- FDD: Dualfloppy 3,5"HD/5,25"HD - 3,5"HD - 5,25"DD ISA-Catweasel HDD: 2x40GB - DVD
ISA(3): Audician32-S2Dreamblaster - GusACE PCI(3): Monster3D- Intel NW AGP(1): Matrox G200 8MB
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