Mail Archives: djgpp/1998/03/20/09:16:55
yep, your right, found a bios update and dos tsr to do this (matrox). Thanks!
Salvador Eduardo Tropea (SET) wrote:
> Victor Jetten <victor AT forest DOT demon DOT nl> wrote:
>
> > Normally my monitor runs at a refresh rate of >75Hz, but whenever I run
> > an Allegro application (under a dos box in win95) it switches to 60Hz,
> > which makes the image a bit jittery, especially at a rsolution of
> > 1280x1024. Can I adjust the frequency with Allegro?
>
> That's a problem of your VESA BIOS/drivers. Some boards have a program to
> configure it. For example: Trident boards have a program called smonitor,
> running it you can specify the frequencies supported by your monitor and then
> the BIOS will use these frequencies. By default the BIOS doesn't do it because
> it doesn't work in a lot of monitors. W95 knows the model of your monitor and
> hence the W95 driver can choose 75Hz (the driver knows that it will work).
>
> SET
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> Salvador Eduardo Tropea (SET). (Electronics Engineer)
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