Hello all!
I currently own a Mitsubishi Diamond Pro 2070SB-BK 22" CRT. I'd like to drop a few comments by you all.
First, when it is hooked up to my ATi AIW R9700 Pro with the DVI>VGA adapter, when running 1600x1200@85Hz, I get a severe amount of flickering or some would call it 'waving lines' on the screen. It is not because of any speakers or any other electronic interference outside of the computer. I would try to record this on camera, but I don't have one.
I think this is a bug in the ATi cards because my friend who also has a NEC 22"...I don't remember the model number, but it is about 2 years old. He went from a Matrox G450 TV to the ATi AIW R8500 and he noticed the lines right away as well. His resolution for this is to run 1920x1440@85Hz. Personally, I run 1600x1200@75Hz. The monitor does not flicker then.
I purchased a Matrox G550 and tested out my monitor on this card using the VGA port and there was no such problem that I noticed. NOW, what I am wondering is there is a problem with ATi converting the signals with the supplied DVI>VGA converter or if it is NEC/Mitsubishi related. I do not have another professional CRT to test my theories with, but I think it's an ATi issue simply because I did not experience the problems with the Matrox and nor did my friend.
Since Matrox uses DVI>VGA converters with their Parhelia cards, I would find it hard to believe that I would experience such flickering on that card.
Now, my vision has gotten horribly bad lately. I was once a CRT man, then tried a Samsung 191T, but was dissatisfied with the ghosting because I was a gamer. Now, I am not a PC gamer anymore (resorted to my PS2 and Xbox), and am selling my 22" Mitsubishi for a NEC NEC 1760NX-BK-1 17" LCD.
If anyone would like me to try any tests or something to confirm any theories, LMK. 🙂