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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 49

post #481 of 2929
is it normal if i get somewhat sort of flicker when scroll fast?
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post #482 of 2929
The day someone manages to hack the firmware or release a way for this to work on AMD cards (without needing the samsungs) wiill be a very happy day indeed.
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post #483 of 2929
Crap, testing 3x portrait LB Surround and having a heck of a time trying to get games to launch and not kick-off LB. I can get 3x portrait LB Surround to work fine on the desktop but it's like the games switch to some slightly different 120 Hz 3240x1920 resolution or something and kick LB off. Funny thing is once the games is closed and goes back to desktop LB turns back on. So frustrating!
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post #484 of 2929
Thread Starter 
Quote:
Originally Posted by Falkentyne View Post

The day someone manages to hack the firmware or release a way for this to work on AMD cards (without needing the samsungs) wiill be a very happy day indeed.
There's been some research on DDC/CI using Entech SoftMCCS beginning at post 494 of HardForum thread. So far, the most successful DDC command is 03 FA 00 0A (from post 572) which enables the strobe backlight mode on the XL2420T but doesn't correctly fix the pixel response curve to stay synchronized with the strobe. SoftMCCS command final byte 00 through 0A adjusts the LightBoost OSD setting from 0% through 100%. We need more SoftMCCS guinea pigs to crack the DDC/CI puzzle, so a software utility can be made.

It should improve convenient for nVidia users, so for nVidia users, the Plan B is to instead petition nVidia to make this an official driver toggle; I think nVidia would rather do this (and lessen developer pressure to create a utility) than let AMD get all the LightBoost goodness.
Quote:
Originally Posted by shedokan View Post

is it normal if i get somewhat sort of flicker when scroll fast?
Also, if the flicker is abnormal (double-image like 60fps@120Hz), try hitting Control+T while at the Desktop. That usually fixes things.

If this isn't the cause, and if everything looks perfectly clear when you track eyes on smooth moving objects, then this just might be the stroboscopic stepping effect especially if it's not scrolling in perfectly smooth steps (Chromium Smooth Scroller helps, and using scrollwheel). These stroboscopic effects also happens on a CRT or plasma too. If you are very distracted by this CRT style behavior, you can turn it off at desktop usage, and only use LightBoost within video games.
Quote:
Originally Posted by CallsignVega View Post

Crap, testing 3x portrait LB Surround and having a heck of a time trying to get games to launch and not kick-off LB. I can get 3x portrait LB Surround to work fine on the desktop but it's like the games switch to some slightly different 120 Hz 3240x1920 resolution or something and kick LB off. Funny thing is once the games is closed and goes back to desktop LB turns back on. So frustrating!
Does this happen regardless of whether you enable/disable the Stereoscopic 3D checkbox? I'd like to help you troubleshoot this, because there might be a second person (who just got a pair of Titan's) considering surround gaming with LightBoost.

Another idea is to download NVInspector.exe and trying to override the resolution, so that it stays at the same resolution at desktop.

Also google "3D Vision surround"; those instructions also help quite a lot.

Let me know if I'm helping any?
Edited by mdrejhon - 2/26/13 at 8:54pm
post #485 of 2929
well the slight flicker doesnt happen unless theres alot of pictures on some page im watching, but scroling this topic for example Chromium Smooth Scroller , and using scrollwheel, the text can look somewhat bold while scrolling biggrin.gif
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post #486 of 2929
Quote:
Originally Posted by mdrejhon View Post

Does this happen regardless of whether you enable/disable the Stereoscopic 3D checkbox? I'd like to help you troubleshoot this, because there might be a second person (who just got a pair of Titan's) considering surround gaming with LightBoost.

Another idea is to download NVInspector.exe and trying to override the resolution, so that it stays at the same resolution at desktop.

Also google "3D Vision surround"; those instructions also help quite a lot.

Let me know if I'm helping any?

Yes, tried both ways. If the check-mark is selected, it will disable rotation to portrait. Either with or without the check-mark, after reboot LB is disabled (something that worked single screen). I was able to get around the resolution problem and games kicking out of LB on single screen by using CRU.exe and setting the resolution manually. I also tried custom-bezel corrected resolutions and it still kicks it off.

That doesn't work anymore as you cannot set the Surround resolution as the way the NVIDIA drivers via surround and work with Windows is very different. I need to find a way to remove all of those hundreds of trash resolutions that are created by Windows under "list all resolutions". I'll try NVInspector and a few other things but I am not hopeful. LB is just too easy to kick off with all of these variables interacting in Surround. I've also ordered an emitter to hard-ware that in and not rely on the modified .inf's. At least that will eliminate one variable.

So is there no more progress finding out what signal the NVIDIA drivers are sending to the monitor to tell them to turn on LB? Some program/utility would be immensely helpful in stuff like this not having to rely on buggy drivers etc.
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post #487 of 2929
Quote:
Originally Posted by mdrejhon View Post

There's been some research on DDC/CI using Entech SoftMCCS beginning at post 494 of HardForum thread. So far, the most successful DDC command is 03 FA 00 0A (from post 572) which enables the strobe backlight mode on the XL2420T but doesn't correctly fix the pixel response curve to stay synchronized with the strobe. SoftMCCS command final byte 00 through 0A adjusts the LightBoost OSD setting from 0% through 100%. We need more SoftMCCS guinea pigs to crack the DDC/CI puzzle, so a software utility can be made.

It should improve convenient for nVidia users, so for nVidia users, the Plan B is to instead petition nVidia to make this an official driver toggle; I think nVidia would rather do this (and lessen developer pressure to create a utility) than let AMD get all the LightBoost goodness.
Also, if the flicker is abnormal (double-image like 60fps@120Hz), try hitting Control+T while at the Desktop. That usually fixes things.

Sooooo.......what you are saying is that I shouldn't sell my 7970s+EK Water blocks quite yet in favor of a Titan? You crazy computer geniuses are going to come up with a way to get this to work with AMD????

Also, if someone is taking up a collection for donations on making this work with AMD.....I'll pitch in some money and love you long time.
Edited by chuckinbeast - 2/27/13 at 12:15pm
post #488 of 2929
I finally am able to get lightboost to stick in bf3. I have had no problems any other times. following the directions enabling stereo3d applying then unchecking the box worked for any of my 2d games but would kick bf3 out of lb. I was stuck using ctrl t to play. this is how I got it to work.

enable stereo 3d
apply
uncheck stereo 3d
do not apply.

started bf3 and lb was enabled without having to ctrl t.

I left nvidia panel open and stereo 3d unchecked

restarted my pc without applying or closing nvidia panel.

on restart lb was still enabled and bf3 launched with lb and no ctrl t.

don't know if those steps would help Vega since I have no clue about portrait surround. I will leave it up to you big dogs.
post #489 of 2929
pressing ctrl+t doing nothing for me, LB is just on 24/7. even If I changed a resolution other than 1080p

CTRL + T should take LB on/off or wat?
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post #490 of 2929
eh...nevermind on that....doesn't seem to be working now :\
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