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(More customer reviews)I have finished trying out the DVI extender I bought. What I have is Windows 7 running on a Nvidia GeForce 9400 GT video card. The 9400 has a DVI output as well as VGA to my Dell SP2208WFP monitor. The monitor's native res. is 1680 x 1050 which I use. I bought fifty feet of CAT6 wire to use and I already had a DVI to HDMI 25' cable as my standard.
Using the 25' cable, my nvidia control panel see my TV set as a Zoran HDMI TV and set the res. to 1080i or 1920 x 1080 @ 30Hz. Picture is solid with good color. Looks just like my dell monitor. When I switch to the DVI extender using the CAT6 50' wire, the nvidia control panel see the DVI extender as a DVI extender. The control panel shows the max res. at 720i. I can manually load more resolutions along with their frequencies (refresh rates) but they don't work. Nothing shows on the TV with the other rates and resolutions. They range from 29Hz to 60hz at different resolutions. I have tried them all. And really the 720i does not work because there are color sparkles on the screen, so the picture is unusable and unwatchable. To get true solid color I have to switch to 480i.
I do realize that to be real fair to the DVI extender I should have used a 25' cat 6 cable but the box does say it will work at a range to 130' or 80'. I will try to sell it but I can't list it as the company did because as far as I can tell the extender does not work at its printed specifications.
HDmi To Dvi Over CAT5E Mini-extender
Dvi To HDmi Over CAT5E Mini Extender
So that is my report. Thanks for asking about my experience with the SIIG DVI to HDMI cat6 extender. I don't recommend it for High Def. pictures.
Aloha.
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