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Playing with my Seiki se39uy04. Got it to do 1440p at 60hz. Playing with other custom stuff. - Page 10

post #91 of 894
The panel TCON is 4 channel LVDS which is not enough bandwidth for 60Hz at 4k. A guy on hardforums says they are making a new TCON so you could do 60Hz but honestly I am not holding my breath.
post #92 of 894
Thread Starter 
Quote:
Originally Posted by DeadlyDNA View Post

Having 2 issues left on the seiki screens.

I get blanking on one screen sometimes when switching to a resolution. if i power off then back on it seems to fix the issue. I recall reading somewhere about blanking so i will investigate it.

other issue i have is one screen at 3840x2160 30hz on hdmi to dvi cable and DP adapter on the end is having some artifacts on the screen that looks like very light green snow. i will toy with this later and see if replacing the cables fixes it. or try and see if i can replicate on another screen to make sure mine is not failing or faulty.

I am posting here in hopes to keep Seiki information available on this thread to any who may work with this screen. Thanks!

Just out of curiousity did you fix the blanking issue and green snow? If so, could you post your fix here for the internet to see?
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post #93 of 894
Thread Starter 
Quote:
Originally Posted by DeadlyDNA View Post

My video card does not have a mini-DP port. Also because i am using a hard mod for pin 16 on DVI to disable monitor polling, i cannot use an hdmi to display port unless i find the pin out or possible way to hard mod it as well. Eyefinity is setup based on a group of monitors and when you switch resolutions on DP/HDMI ports, the display is removed from windows temporarily. This causes issue when i say load up Heaven benchmark, and it goes full screen initialization.During the time it takes the monitor to change resolutions windows removes the monitor temporarily and thus eyefinity disables temporarily. when the monitor is re-detected Eyefinity becomes active again. This causes a couple things to happen, first the screen blank and reset multiple times. During this temporary removal and replace my 3d app Heaven benchmark goes into a windowed mode, or a full screen mode. Then my benchmark runs only on a single card.

I cannot blame AMD or Eyefinity or Windows as a single cause, however i can blame the need for the display adapter/monitor to be removed and replaced thus, the hard mod is the only way i know of.

P.S. i would like to add, the monitor i have connected HDMI--->DVI(female)DVI(male)----> Diplay port does indeed show a snow/artifact effect only at 3840x2160 resolution. This may be an issue with my hardware(very likely) or some sort of issue with bandwidth on this irregular connection. I will obtain an HDMI to DP cable soon and see if it even corrects this. I cannot say exactly what the cause is right now(limited troubleshooting) However when i can dig into it more i will post it here in case the off chance someone else ends up doing this. My main choice for connecting this monitor this way, was the simple fact its all i had on hand, also it worked to my favor for the hard mod to stop the above outlined issue.


Link here about PIN MOD for DVI to stop monitor detection polling -- since i see no way to specify post number on that thread i am copying his instructions into a spoiler. Warning: Spoiler! (Click to show)
My video card does not have a mini-DP port. Also because i am using a hard mod for pin 16 on DVI to disable monitor polling, i cannot use an hdmi to display port unless i find the pin out or possible way to hard mod it as well. Eyefinity is setup based on a group of monitors and when you switch resolutions on DP/HDMI ports, the display is removed from windows temporarily. This causes issue when i say load up Heaven benchmark, and it goes full screen initialization.During the time it takes the monitor to change resolutions windows removes the monitor temporarily and thus eyefinity disables temporarily. when the monitor is re-detected Eyefinity becomes active again. This causes a couple things to happen, first the screen blank and reset multiple times. During this temporary removal and replace my 3d app Heaven benchmark goes into a windowed mode, or a full screen mode. Then my benchmark runs only on a single card.

I cannot blame AMD or Eyefinity or Windows as a single cause, however i can blame the need for the display adapter/monitor to be removed and replaced thus, the hard mod is the only way i know of.

P.S. i would like to add, the monitor i have connected HDMI--->DVI(female)DVI(male)----> Diplay port does indeed show a snow/artifact effect only at 3840x2160 resolution. This may be an issue with my hardware(very likely) or some sort of issue with bandwidth on this irregular connection. I will obtain an HDMI to DP cable soon and see if it even corrects this. I cannot say exactly what the cause is right now(limited troubleshooting) However when i can dig into it more i will post it here in case the off chance someone else ends up doing this. My main choice for connecting this monitor this way, was the simple fact its all i had on hand, also it worked to my favor for the hard mod to stop the above outlined issue.


Link here about PIN MOD for DVI to stop monitor detection polling -- since i see no way to specify post number on that thread i am copying his instructions into a spoiler.



Thanks for the awesome info. I'm going to try to write a synopsis of how to get these guys working in eyefinity for the OP if you don't mind correcting any errors in my steps below.

1. Flash to 50 inch firmware.
2. Use pixel patcher.
3. Remove pin number 16 from DVI cables.
4. Using two DVI to HDMI cables and 1 active displayport to DVI to HDMI attach tvs to card.

Is that correct?

Also, what is your opinion on the best way to game at 4k on the TV is? At 30hz with vsync I was getting some input lag that was unbearable for me. Without vsync I was getting screen tearing. I found the best way was to use RadeonPro to lock the FPS to 31 (I overclocked my refresh rate to 33) and keep vsync on. This fixed input lag for the most part.

Do you have another way that you deal with screen tearing/input lag?

Also thanks for your other thread. It's awesome.
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Cougartown
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post #94 of 894
Quote:
Originally Posted by salamachaa View Post

Just out of curiousity did you fix the blanking issue and green snow? If so, could you post your fix here for the internet to see?

Oh boy, where to start lol. To be honest i have done so much i have completely forgotten about those issues except screen blanking.

i have since last posted done the following changes i know of

Windows 8 from win7
WHQL 13.12 drivers (helped the most with the screen blanking)
changed cables/adapters then went back to my old ones.
Flashed 39inch firmware to the seiki's the latest one with backlight in main menu control.(might be going back to 50'inch firmware though the sleep mode on the new firmware is driving me nuts)


I am probably missing something here. I think the blank screen issue is a video card/driver/overclocking issue. it could be something to do with the cable or signals? It has rarely happened now its not really a big deal. Given that i am overclocking and changing so many things i cannot say for sure.I do recall i had a lot of screen blanking with 14.3 beta drivers.

I apologize i don't have a "specific" answer frown.gif - i forgot about this thread because i got so excited to game and bench lol
post #95 of 894
Thread Starter 
Quote:
Originally Posted by DeadlyDNA View Post

Oh boy, where to start lol. To be honest i have done so much i have completely forgotten about those issues except screen blanking.

i have since last posted done the following changes i know of

Windows 8 from win7
WHQL 13.12 drivers (helped the most with the screen blanking)
changed cables/adapters then went back to my old ones.
Flashed 39inch firmware to the seiki's the latest one with backlight in main menu control.(might be going back to 50'inch firmware though the sleep mode on the new firmware is driving me nuts)


I am probably missing something here. I think the blank screen issue is a video card/driver/overclocking issue. it could be something to do with the cable or signals? It has rarely happened now its not really a big deal. Given that i am overclocking and changing so many things i cannot say for sure.I do recall i had a lot of screen blanking with 14.3 beta drivers.

I apologize i don't have a "specific" answer frown.gif - i forgot about this thread because i got so excited to game and bench lol

It's all good. I was just curious if there was a specific reason for it. Did you fix your green snow issue by switching cables?




Also, I'm going to try to write a synopsis of how to get these guys working in eyefinity for the OP if you don't mind correcting any errors in my steps below.

1. Flash to 50 inch firmware.
2. Use pixel patcher.
3. Remove pin number 16 from DVI cables.
4. Using two DVI to HDMI cables and 1 active displayport to DVI to HDMI attach tvs to card.

Is that correct?

Finally, what is your opinion on the best way to game at 4k on the TV is? At 30hz with vsync I was getting some input lag that was unbearable for me. Without vsync I was getting screen tearing. I found the best way was to use RadeonPro to lock the FPS to 31 (I overclocked my refresh rate to 33) and keep vsync on. This fixed input lag for the most part.

Do you have another way that you deal with screen tearing/input lag?

Thanks for your other thread. It's awesome
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Cougartown
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post #96 of 894
Quote:
Originally Posted by salamachaa View Post

It's all good. I was just curious if there was a specific reason for it. Did you fix your green snow issue by switching cables?




Also, I'm going to try to write a synopsis of how to get these guys working in eyefinity for the OP if you don't mind correcting any errors in my steps below.

1. Flash to 50 inch firmware.
2. Use pixel patcher.
3. Remove pin number 16 from DVI cables.
4. Using two DVI to HDMI cables and 1 active displayport to DVI to HDMI attach tvs to card.

Is that correct?

Finally, what is your opinion on the best way to game at 4k on the TV is? At 30hz with vsync I was getting some input lag that was unbearable for me. Without vsync I was getting screen tearing. I found the best way was to use RadeonPro to lock the FPS to 31 (I overclocked my refresh rate to 33) and keep vsync on. This fixed input lag for the most part.

Do you have another way that you deal with screen tearing/input lag?

Thanks for your other thread. It's awesome

I should have came back and thanked you for this thread. I almost ended up spending way more on the dell 24inch/samsung TN panel 27inch. I know 30hz is a no go for most people. I couldn't bring myself to spend an insane amount of money for 4k technology that's still changing and maturing. My thread wouod be nonexistent if yours wasnt here.


No problem i will try to offer my help.
Step 1 -is not required but i would recommend due to 39'inch firmware having an annoying sleep timer that even when "off" still bugs me.
Step 2 - Required for me on AMD GPU's IF going to Eyefinity 3 of these.(this may change when they release a driver that doesn't have the pixel clock so low?)
Step 3 -Optional especially if people don't feel good about hardware mods. My reason for doing this was to stop windows from removing/adding a display when entering a game. It would cause various issues with hot plug detection where eyefinity would disable, or the game would run without crossfire.
Step 4 - Hardware dependent -was because i thought AMD R9 series only allowed to use 1 of the 3 ports(DVI,DVI,HDMI) I have since been told you can use the HDMI port and both DVI ports on an AMD R9 series GPU. Apparently, something like a 7970 does have that restriction, however the port arrangement could vary based on model?

I haven't got to mess with the vsynch/input lag much at all. Me personally i preferred Radeon Pro "dynamic" FPS limiter to 60FPS. I have not used proper vsynch yet because AMD 13.12WHQL drivers have broken vsynch on R9 series.

hope that helps some smile.gif
post #97 of 894
Deadly! did you get the 2560x1440p @ 60hz eyefinity working? an update would be awesome im trying to do the same thing you are but I cant afford any of the displays yet
post #98 of 894
also can you send some pictures of the 3 of the monitors next too each other?
post #99 of 894
Thread Starter 
Quote:
Originally Posted by Noah3210 View Post

Deadly! did you get the 2560x1440p @ 60hz eyefinity working? an update would be awesome im trying to do the same thing you are but I cant afford any of the displays yet

Hello, I see you are new here. If you want DNA to respond to you try using the quote button. It will send him a notification.
Cougartown
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Cougartown
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post #100 of 894
yeah thanks I have been watching this thread for a long time I am really hoping to get that 1440p on the seiki 39" is perfect size monitor. I sent him a pm also
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