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Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
04-27-2021, 03:27 AM
Post: #991
RE: Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
(04-27-2021 03:08 AM)pepaelcangri Wrote:  Any recommendation to reduce ghosting? I was using it with 165hz G-Sync and a lot of ghosting (also using overdrive), installed the strobelight setup, and on 144hz without G-Sync it enhance a lot.. Or that's what I feel Hahha Huh
You would need a monitor with a strobing backlight feature.
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06-07-2021, 09:40 AM
Post: #992
RE: Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
I've tried long time ago with no success the Lightboost tool on 3 VG248QE monitors connected with 3 DP cables to a HD7990 but after playing with things and not getting very far I've abbandoned the idea. Now I find myself trying again but this time the monitors are connected via DP thru a MST hub on a 6900XT.
Still nothing is enabling, I've also tried to flash the 24c02 eeprom in one of the monitors but it turns out to be the EDID table only for the DVI...
I just can't get it working, maybe I'm missing something?
the DDC protocol works because I can adjust a few menu parameters with a tool called "ControlMyMonitor" and by launching the Lightboost app, that has been published here a few post before for a guy with a 5700xt receiving garbage due to drivers, it tells "success" but still the screens are not lightboosting :c

Here's the debug.txt that I got: https://pastebin.com/zWai7pL9

Any help is appreciated! sorry if my english is broken but it's not my native language Smile
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06-07-2021, 03:07 PM
Post: #993
RE: Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
(06-07-2021 09:40 AM)FalloNero Wrote:  Here's the debug.txt that I got: https://pastebin.com/zWai7pL9
The debug.txt log shows all three monitors were unlocked successfully, so this is an issue with the installed refresh rates not taking effect, which can happen when using an MST hub. Try adding the refresh rates using AMD Radeon Software by adding custom resolutions for each monitor using the same values shown in CRU after installing the refresh rates with the setup program.
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06-08-2021, 02:40 AM (Last edited: 06-08-2021, 03:15 AM by FalloNero)
Post: #994
RE: Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
(06-07-2021 03:07 PM)ToastyX Wrote:  
(06-07-2021 09:40 AM)FalloNero Wrote:  Here's the debug.txt that I got: https://pastebin.com/zWai7pL9
The debug.txt log shows all three monitors were unlocked successfully, so this is an issue with the installed refresh rates not taking effect, which can happen when using an MST hub. Try adding the refresh rates using AMD Radeon Software by adding custom resolutions for each monitor using the same values shown in CRU after installing the refresh rates with the setup program.

I've DDUed the drivers and resinstalled the latest ones just to be sure, then ran the "strobelight setup" and installed 120hz strobed and 144hz non strobed.
Opened CRU and read the 120hz mode and manually copied in the radeon software for each screen.
https://imgur.com/a/rvc1z9h

I'll update after the restart! if this works i'll have to open up again the monitor I modified cuz i've changed the current sense resistors for the LED backlight bringing it from 110mA to 120mA, thing is that there are 2 transistor the board that can pulse to increase the current above the maximum average the pannel can use and I think that's for the strobelight (i've cut the traces off so it wont be able to pulse more current)

(06-08-2021 02:40 AM)FalloNero Wrote:  
(06-07-2021 03:07 PM)ToastyX Wrote:  
(06-07-2021 09:40 AM)FalloNero Wrote:  Here's the debug.txt that I got: https://pastebin.com/zWai7pL9
The debug.txt log shows all three monitors were unlocked successfully, so this is an issue with the installed refresh rates not taking effect, which can happen when using an MST hub. Try adding the refresh rates using AMD Radeon Software by adding custom resolutions for each monitor using the same values shown in CRU after installing the refresh rates with the setup program.

I've DDUed the drivers and resinstalled the latest ones just to be sure, then ran the "strobelight setup" and installed 120hz strobed and 144hz non strobed.
Opened CRU and read the 120hz mode and manually copied in the radeon software for each screen.
https://imgur.com/a/rvc1z9h

I'll update after the restart! if this works i'll have to open up again the monitor I modified cuz i've changed the current sense resistors for the LED backlight bringing it from 110mA to 120mA, thing is that there are 2 transistor the board that can pulse to increase the current above the maximum average the pannel can use and I think that's for the strobelight (i've cut the traces off so it wont be able to pulse more current)

So after fiddling with things and resetting the custom res a few times turns out the steps are:

- dont even bother with the "setup" just skip into AMD and add the custom resolution here https://imgur.com/a/cKPJLJh (take care those monkeys at AMD say KHz but it's Hz)
- Run Strobelight and wait for it to send the right DDC commands
- Hopefully setup eyefinity Big Grin

Thanks ToastyX for all your work and time
Btw the monitor i've modded is indeed a bit darker than the others, the current overdrive theory was right, i guess time to open it up again :c
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