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G3, Radeon 9200, OS9 screen resolution options


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I ran across a Soyo 24" LCD monitor a while back and finally got it fixed (bad cap in the power supply) and it would sure be cool to use it with my beige G3.  I got it all hooked up last night and have discovered that I cannot get it to display the native resolution (1920x1200.)  It will display most others up to and including 1600x1200.  Some result in a message on the monitor saying "out of range."  If I choose "All" in the Monitors control panel, I actually get some choices higher than 1920x1200 but not that one specifically.  Is there a way to custom add that one or am I out of luck?

 

It's connected via VGA.  It appears that it is only detected as a generic monitor with no specific resolutions supported, and is the same on a Windows 10 PC.  I have not tried DVI yet, that may change things.  The video card is a Radeon 9200 - seems like it was a flashed PC card but maybe not, it's been 15 years or more since I laid eyes on the card itself.  Running Mac OS 9.2.2.

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So I tried DVI... and it defaults to 1920x1200.  Great!  However... it does not work well.  Sometimes I get a distorted, static colored section on the right side and some programs that attempt to switch resolutions or screen colors crash hard and lock up the whole machine.  Some others make the screen flicker on and off.  Very odd problems that I never had previously... I am not sure if it's a video card issue, a driver issue, or a monitor issue, or some combination but I'm going to give up on it for now.  I guess I will just have to be happy with my old 19" Trinitron CRT.

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Consider to install and use the ATI driver software for the Radeon Mac Edition. I think there was also a shareware called »Joshuas Hack« (or similar) to enable proper DVD playback on the beige G3 (given, there is a DVD ROM/Combo/burner drive installed). I used to use a beige G3 with expanded VRAM and the Radeon card to drive two 17 inch displays side by side to view DVDs in widescreen across both displays. It worked flawlessly.

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