Category : Printer + Display Graphics
Archive   : GDS.ZIP
Filename : GDSMODE.TXT

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ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ VIDEO MODE CONFIGURATION ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
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The following procedure configures GDS to run with your specific hardware and
software configuration. Follow the simple instructions and GDS will test each
video mode and allow you to tell GDS which modes work properly.



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NOTE: If your video configuration changes (new video card, monitor or VESA
compatibility TSR), delete the "CONFIG" file (in the GDS directory) and run
GDS. GDS will automatically lead you through the configuration process.


See notes below for some helpful information.




HELPFUL INFORMATION ABOUT VIDEO COMPATIBILITY: Most problems with GDS involve
display problems which can be overcome by going through this section. The
most common problems are briefly described below:


Problem: "When I try to look at pictures, the screen sometimes goes crazy."
Reason(s): 1) GDS is choosing video modes which require a faster monitor.
Some video cards have high resolution modes which some
monitors just can't handle. This video configuration setup
allows you to tell GDS which modes don't display properly.


Problem: "When I look at some pictures, only the top of the screen is
displayed, and it is drawn several times...like the picture is
being wrapped around the top of the screen over and over again..."
Reason(s): a) GDS is unable to properly access more than 64K of the video
memory on the video card. The most common reason for this
is "clone" video cards which do not match the original
designers' specifications, or simply a card which GDS cannot
detect accurately. It may be possible to force proper
support by using /VESA, /TSENG4, /PARA, /OAK, or one of the
other video type command line parameters.
b) The VESA support built into the video card is not properly
implemented. We have seen many video cards which just don't
implement VESA properly. Check with the video card
manufacturer to see if there is a ROM BIOS upgrade available
(usually for free) or a VESA TSR which can be loaded to
correct the problems.


Problem: "I only get display resolutions up to 360x480x256, but I have a
Super VGA that should do lots of high resolutions."
Reason(s): a) GDS is unable to discover that the VGA is anything more than
a standard VGA, and VESA support is not working properly.
Don't be alarmed, this is actually common. Try using the
/VESA command line parameter to force full blown VESA, and
go through this video configuration process.
b) The card installed is a very strange video card which GDS
doesn't support. We have piles of Super VGA's, but there
are always new ones coming out, sometimes faster than they
can be supported. Contact the manufacturer of the video
card to see if they have sent us an evaluation card to test
for GDS compatibility.


Problem: "When I look at some pictures, my machine locks up, and I have to
reset it or turn on and off the power to get it back."
Reason(s): a) The video BIOS of the card is really buggy. There are
several video cards on the market like this, but we won't
mention names... If you are having this problem, call the
manufacturer and ask if they have sent an evaluation card
for GDS compatibility testing.





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END OF GDSMODE.TXT - Thank you for choosing GDS.