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[Official] The Qnix/X-Star 1440p Monitor Club - Page 37

post #361 of 25922
My first post on the forums, I was lured here by the buzz around QNix displays. Mine arrived today, Qnix Glossy pixel perfect from DreamSeller and the shipment from South Korea to Finland took exactly one week.

Mine is one of them "super" overclockers, I can go to 140Hz w/o any anomalities in the picture except the fact that screen becomes darker. @144Hz I get two distinct horizontal lines. I am now running at 120Hz with GTX 670 SLI. I have only very small amount of backlight bleed on lower mid part of the screen; it is too small to care about so I think I dont have to take the bezel apart.

Total cost of the display + pixel perfect + fedex fee for customs clearance + customs + VAT is about 300 euros. Very good price for a monitor with this good picture and refresh-rate! Thanks everyone here on overclockers, w/o you guys noticing this I would not be a super happy Qnix-owner now thumb.gif

Thanks for the OP, I have used the color profiles on the first post. Really nice job collecting all the usefull stuff to one place!

Here is a pic I took with my mobile phone of the screen while OC'ing, yes yes I do know how to take a SS on windows but CBA as I am making a small review on a finnish computer forums abt the screen smile.gif

https://dl.dropboxusercontent.com/u/65094004/2013-04-30%2014.59.26.jpg


P.S. Lots of other good stuff on OCN, I'm sure to keep on rolling to other threads after this crase cools down a bit smile.gif Now of to play some games, and check out how my rig fares with this baby biggrin.gif
Edited by CptKuolio - 4/30/13 at 7:54am
post #362 of 25922
Thread Starter 
Nice! Welcome to ocn! Many of us in these qnix threads are new, so you're in good company

144 hz might be the highest OC I've heard of yet
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post #363 of 25922
Monitor appears to be good again, thanks guys! I'll hold off on trying to get it replaced if it doesn't happen again. So my next question is I saw someome post that they ticked "Reduce DVI frequency on high-resolution displays" in CCC and the scan lines were reduced, and it worked! I'm curious what that and "Alternate DVI operational mode" really do.

I found this post by ToastyX:
Quote:
"Reduce DVI frequency on high-resolution displays" probably has no effect on most monitors. Back when video cards, monitors, and cables could barely handle the full single-link DVI bandwidth, some people were having signal quality problems with 1600x1200 monitors like the Dell 2001FP. 1600x1200 @ 60 Hz without reduced blanking is close to the single-link DVI limit of 165 MHz, so that option would use the CVT reduced blanking standard to reduce the pixel clock to around 130 MHz to get a more stable signal, similar to how we reduce the timing parameters to get a better overclock. Nowadays, most LCD monitors use CVT reduced blanking by default (or EIA/CEA-861 for 1080p), so that option wouldn't have any effect. It should be left off so it doesn't mess with the timing parameters.

"Alternate DVI operational mode" is coherent mode, meaning the clock and data are synchronized. Originally, DVI was non-coherent because the clock multiplier caused a delay in the clock signal that needed to be compensated for at the receiving end. This caused problems when using longer cables because the length affected the delay. Nowadays, everything is designed to use coherent signals for better stability, so this option should be left on. It shouldn't be turned off unless you're using an older non-coherent display.

Well, Reduce DVI frequency on high-res displays did something for me and other QNIX overclockers. It reduced my scan lines by a significant amount. I didn't really experience any difference with Alternate DVI operational mode (it does nothing to the scan lines) so I'm wondering why Toasty recommends it to always be on. With the first option on, I'm able to play games at 120hz with an occasional scan line here or there maybe once a minute. Not bad. Can I reduce the timings further to get rid of those few last ones? I don't really know what reducing the timing does. Does reducing them come at a cost for somewhere else?

Thanks smile.gif

Edit: The color flashing just happened again. I was browsing OCN then it flashed colors at me for a millisecond (it was so quick I could not make them out) and then the screen where I was with OCN came back. This all happened in much less than a second, so quick for me to describe what happened, but enough for me to realize it did happen.

The colors flashing reminds me of what happens if you're looking at a monitor's screen when you pull the DVI cable out. But I don't think it's my cable, I just got a new monoprice one (bought another one) and it's securely in each port.... I really don't know what's wrong confused.gif

Edit again: Found an example of what it looks like when the screen flashes. Not my monitor but I'm pretty sure it's like this, because of the ghost image left on my monitor last night:


So for a split second the image goes to that, and then my screen comes back up. So far it's happened twice. Nothing to do with overclocking I think, when I'm not trying to get a solid 120hz I leave my monitor at 60hz.
Edited by apav - 4/30/13 at 9:19am
post #364 of 25922
Hi everyone. My new QX2710 arrived today. I set everything up immediately and started overclocking to 120hz. I noticed that there's a single vertical line that shows up, so I lower my overclock to 75hz and it still shows up. Here's a picture of it


It doesn't show up when i'm running stock 60hz but that's no fun.

I tried different DVI cables, ports, securing all dvi ports, etc..

EDIT: I just did some more testing. It is there but extremely faint at any past 65hz. It gets worse as I up the hertz.
post #365 of 25922
Going to fish the thread for info, seems to be great monitors....
 
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post #366 of 25922
Quote:
Originally Posted by Jboss View Post

Did he undervalue/mark it as gift? 60 euros seems a lot if he did..

Yes he marked it as $50 dunno about gift. They obviously revalued it themselves.

Customs was way high at £60 (about $100) including duty and their fees. I doubt you can get it cleared yourself, UPS does it super quick so that there is no delivery delay, you don't even know until they arrive. I took the customs charge at the door.
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post #367 of 25922
Quote:
Originally Posted by CptKuolio View Post

My first post on the forums, I was lured here by the buzz around QNix displays. Mine arrived today, Qnix Glossy pixel perfect from DreamSeller and the shipment from South Korea to Finland took exactly one week.

Mine is one of them "super" overclockers, I can go to 140Hz w/o any anomalities in the picture except the fact that screen becomes darker. @144Hz I get two distinct horizontal lines. I am now running at 120Hz with GTX 670 SLI. I have only very small amount of backlight bleed on lower mid part of the screen; it is too small to care about so I think I dont have to take the bezel apart.

Total cost of the display + pixel perfect + fedex fee for customs clearance + customs + VAT is about 300 euros. Very good price for a monitor with this good picture and refresh-rate! Thanks everyone here on overclockers, w/o you guys noticing this I would not be a super happy Qnix-owner now thumb.gif

Thanks for the OP, I have used the color profiles on the first post. Really nice job collecting all the usefull stuff to one place!

Here is a pic I took with my mobile phone of the screen while OC'ing, yes yes I do know how to take a SS on windows but CBA as I am making a small review on a finnish computer forums abt the screen smile.gif

https://dl.dropboxusercontent.com/u/65094004/2013-04-30%2014.59.26.jpg


P.S. Lots of other good stuff on OCN, I'm sure to keep on rolling to other threads after this crase cools down a bit smile.gif Now of to play some games, and check out how my rig fares with this baby biggrin.gif
Nice, I can get all the way up to 147 without any anomalies in windows, and wont black screen until 168, but in games they highest I can get is 138 :/
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post #368 of 25922
At 120 I get faint blue lines across the screen. Dropped it down to 100 and everything seems ok. Does that sound like something that can be caused by the cable?
 
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post #369 of 25922
Quote:
Originally Posted by Strileckifunk View Post

At 120 I get faint blue lines across the screen. Dropped it down to 100 and everything seems ok. Does that sound like something that can be caused by the cable?
Sounds like a pixel clock limit to me, are you using standard timings?
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post #370 of 25922
Quote:
Originally Posted by y2kcamaross View Post

Sounds like a pixel clock limit to me, are you using standard timings?

I am. All I adjusted was the refresh rate.
 
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