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NT 4.0 and Cirrus Logic 5430 video controller Chip ?

Posted on 1997-06-06
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Last Modified: 2013-12-14
We are having a problem upgrading a Packard Bell
pentium 75 from NT 3.51 to NT 4.0.  NT 3.51 supports
the Cirrus Logic video controller chip CL-GD5430 without
any problems.  NT 4.0 seems to only enable the
CL-GD5430 to run in 16 color only on this Packard Bell.  The 256, 64K, 16 million color settings at various scan
rates are all disabled under NT 4.0.  We are using NT 4.0
workstation with service pack 1.

Cirrus Logic has a utility called IDCHIP to verify the chipset
on the motherboard.  Using this utility verifies the following
information.

    CL-GD5430
    32 Bit Gui Accellerator
    Bios ver. 1.22
    1 mb of display memory

Under NT 4.0, if I choose anything but a 16 color setting,
I get the following error message from the display applet/
utility when I attempt to test the video setting ....

    'The screen was not visible due to a limitation of your
     video driver or display monitor.  Please try a different
     setting'.

What bothers me is that under NT 3.51 we have been
running 800x600 at  256 colors without any problems.

Any ideas?  Please copy replies to ncis@pacrain.com

Thanks,

Bob
ncis@pacrain.com
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Question by:ncis0421
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Accepted Solution

by:
brauner071697 earned 50 total points
ID: 1766000
Your problem is fixed in SP3, please try it.
From MS Knowledge Base it is the article Q160420.

regards Gerd
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