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Post your PLS Overclocking Results

post #1 of 199
Thread Starter 
If you've recently bought one of the Korean 'PLS' displays, e.g. QNIX QX2710, you will be happy to know that these should go straight up to 120hz, without any alterations to their hardware. biggrin.gif (i.e. no overlord 2b extreme pcb) At least mine has. Post your results, with the monitor brand, and type (glossy or matte) here, and whether you get any distortion when running at the higher refresh rate.

To overclock, simply open NVIDIA Control Panel, go to Change resolution, select the correct display and click Customize... Then click Create Custom Resolution... Here change the refresh rate to what you want. Click Test and you will find out whether your monitor is capable of running at that refresh rate. If it isn't, keep dropping it until it works.

You may see distortion at higher refresh rates, so just keep lowering it until you're happy. The distortion isn't permanent.

If your screen seems 'darker' or the colours seem wrong when you're running at a higher refresh rate, play around with some colour settings in NVIDIA control panel (brightness, contrast and gamma most importantly)

I assume this should be just as easy for people with AMD cards, have a look here:
http://www.nag.co.za/2013/03/01/weekend-project-overclocking-your-monitor/
Search for AMD on that page. (ctrl-f)

You can also use evga's pixel clock program. A quick google search will find it.

If anyone finds a way to make games run at 120hz in fullscreen mode, I'd be really happy.

Do this at your own risk! thumb.gif
Edited by robomartion - 4/15/13 at 6:01am
post #2 of 199
Thread Starter 
I have a QX2710 and it goes up to 133hz, but with significant distortion (red, green and blue lines).

It runs fine at 120hz, except that in the top right hand corner I get slight banding and it is slightly darker. This is unnoticeable in game unless looking at a solid lighter colour (the sky for example).

So far I've tried both Counter Strike: Global Offensive and Team Fortress 2 (windowed) and they look just as smooth as my vg278h when light boost is turned off. Assassin's Creed 3 lets me choose 120hz as a full screen refresh rate in settings and runs just as smooth.
Edited by robomartion - 4/15/13 at 2:47am
post #3 of 199
Wow, that is amazing news. I'll try this as soon as i reach home today. Hope my single HD6670 can handle 2560x1440 @ 120 Hz.

I don't game much, so just being able to push the pixels at 120 Hz should be good enough for me.

By the way, robomartian, which nvidia GPU are you currently using?
Edited by dishayu - 4/15/13 at 10:26am
post #4 of 199
Thread Starter 
GTX 670 PE
post #5 of 199
Ohhh i will test my QX2710 today when i get back from work.

Does anyone know if you can make custom resolutions in CCC?
post #6 of 199
This is interesting, subbed may have to get this as a second monitor biggrin.gif
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post #7 of 199
omg , this monitor price is gonna rise as hell ...


* quickly buys 10 monitors *
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post #8 of 199
That's what I'm thinking I want to get one of these before when there still 300$ can anybody confirm whether this is actually 120hz or if its frame skipping if it isn't I think I'll sell my perfect pixel overlord monitors and get 3 of these
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post #9 of 199
Well that sounds sweet!!

But importantly, are you certain you are seeing the 120Hz? I know for a fact that many, many monitors appear to support overclocking but on closer inspection it becomes clear that the monitor is actually skipping frames. I believe this post links a program that you can use to test for dropped pixels: http://www.overclock.net/t/1363440/nvidia-geforce-gtx-titan-owners-club/2170#post_19436523

Or another way to test is to hook up both this monitor overclocked, and any other monitor (e.g. I think you said you had a VG278HE?) running at 60Hz, and compare how smooth the cursor moves. A side-by-side comparison is essential.
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post #10 of 199
GREAT NEWS!
I got my monitor to work at 120Hz using on my HD6670 "Custom Resolution Utility"

http://www.monitortests.com/forum/Thread-Custom-Resolution-Utility-CRU

But i had a bit of flickering/stuttering and artifacting at 120Hz. I'm reasonably sure this is because my GPU sucks. I finally settled at 108 Hz which works flawlessly. I am seriously thinking of getting 2 more of these monitors and getting a better GPU to drive them as well.

Hamzatm : I used the "Refresh rate multitool" in that post and i don't think i see any dropped frames.
Edited by dishayu - 4/15/13 at 10:25am
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