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Win3.1 SVGA mode on 19" LCD ?

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First post, by Intel486dx33

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I am trying to setup my video card on my IBM PS/1
It has an onboard Teng4000 video.

When I select in setup a resolution of 800x600 SVGA I and restart Win31 I get what looks like a dual display.
The Windows are doubled.
One on top and another on bottom.
It's like a split window with one on top and the other on the bottom.

How can I fix this ?

Works fine in VGA mode just not SVGA mode.

Is the 19" LCD display not supported ?

Reply 1 of 3, by Caluser2000

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Try the generic svga driver from http://www.win31.de/edrivers.htm Do you not have the specific drivers for your video chip set? Should hav been on your restore package.

There's a glitch in the matrix.
A founding member of the 286 appreciation society.
Apparently 32-bit is dead and nobody likes P4s.
Of course, as always, I'm open to correction...😉

Reply 2 of 3, by maxtherabbit

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Most early SVGA cards will output resolutions above 640x480 in interlaced modes by default for compatibility with primitive VGA displays. LCD monitors will not display interlaced modes correctly. Look for jumpers or a manufacturer-specific utility for your video card to set the modes. For example on Cirrus Logic VGA cards, use CLMODE

Reply 3 of 3, by Caluser2000

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I've had exactly the same thing happen on my PresarioCDS524s crt. Getting the right driver should sort it out.

There's a glitch in the matrix.
A founding member of the 286 appreciation society.
Apparently 32-bit is dead and nobody likes P4s.
Of course, as always, I'm open to correction...😉

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