How to run a Dell 2209WA at 75Hz

Discussion in 'Displays' started by evilsofa, Apr 25, 2009.

  1. evilsofa

    evilsofa [H]ardForum Junkie

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    I'm seeing in the 2209WA megathread that it's possible to run it at 75Hz, but it takes a little technical work to do. I'd like to start this separate thread to put together clear instructions on how to do so for both nVidia and ATi users, and also to find out if all 2209WA monitors can do it, or only some. I don't own these monitors myself, but my brother-in-law has two, so I'll quote what's been said on this topic so far that I can find:

     
  2. giskard

    giskard n00b

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    Hi All. I've had success using the settings provided by ToastyX on a nVidia 8800GT, but have since changed to the ATI 4770 and im having trouble getting back to 75hz. I've read that powerstrip is the ticket to 75hz, but im unsure of the settings to get it over the line. Could someone post a screen grab of the correct powerstrip settings?

    Cheers,

    G
     
  3. Tosan

    Tosan Limp Gawd

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    Creating a new custom resolution in the Nvidia control panel with ToastyX's settings worked fine for me with an 8800 GTS under Windows XP. It doesn't seem to support fractional refresh rates so I'm at 76Hz instead of 76.647, but I had no problems getting that to work. PowerStrip, on the other hand, did not work for me at all.

    I'm also using RefreshLock to lock the monitor at 76Hz in games.
     
  4. giskard

    giskard n00b

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  5. SJetski71

    SJetski71 [H]ardForum Junkie

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    You may want to read this thread closely, and give his software a whirl, just to be sure you're not wasting your time.

     
  6. rhiridflaidd

    rhiridflaidd [H]Lite

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    http://www.hardforum.com/showthread.php?p=1034028590

    Shows that it does not skip frames.


    http://www.ocforums.com/showthread.php?t=603714

    There is a lot of info in this thread about different nvidia drivers and it's impact. Basically read nd4spdbh2's posts- some posts in this link are misleading.

    edit.

    Just tried it - it works - easy. A few pics seem to confirm that no frames are being dropped.


    p.p.s.

    But I can't seem to get refreshlock to work. When I run it it frops the refresh to 60. It only accepts 60 as "safe."
     
    Last edited: Aug 12, 2009
  7. ilear

    ilear n00b

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    hi there,
    i tried to set it as described, but when i select 75Hz and open timings, i see ~81 Hz refresh rate, is that safe? Or i should set in upper selectbox so much Hz to have 75Hz on bottom?
     
  8. ZippityDoDa

    ZippityDoDa n00b

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    I am running Windows XP with an Nvidia GTX260, and used to be able to get the monitor to run in 75hz, through the instructions. Well today I updated my drivers as it had been a little while since I had done so. And now with the newest drivers (195.62), I am not able to get this monitor to 75hz.

    The layout of the control panel has changed slightly since I last updated (it had probably been a solid 2 or 3 months since my update). But I found the "custom resolution" menu, added the settings by ToastyX, which have worked up until this point. Now I click test, screen goes black for a second it comes back, the option "click yes to keep settings" pops up. During this time, according to my monitor, the 75hz is in effect. So I click yes to keep settings, the screen goes black again for a second. In the graphical settings I can still see it is 60hz, and on the menu of the monitor I see "1680 x 1050 @ 60hz" as well.


    http://img39.imageshack.us/img39/175/nvidiax.jpg

    I am sure it is a problem with the thing sitting between the chair and the keyboard, but I have tried multiple times all resulting in failure.
     
  9. precariousgray

    precariousgray Limp Gawd

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    Thanks for consolidating this information. My 2209WA should arrive soon, and I'm definitely interested in seeing if I can get 75hz working properly with my 5770!
     
  10. Disconnect

    Disconnect [H]Lite

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  11. Jerec

    Jerec [H]Lite

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    What's the reason to bump it up to 75Hz?
     
  12. precariousgray

    precariousgray Limp Gawd

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    Disconnect, what settings did you use in Phoenix? I'm not sure which ones in the first post correspond to what's showing in the "Detailed Timings" tab, if that's even the correct place.

    Great, now I feel like a moron. ;-(
     
  13. btgorman

    btgorman Limp Gawd

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    Can the 2209WA run at 3x75hz if you use 3 in eyefinity?
     
  14. Xuerian

    Xuerian n00b

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  15. Groats

    Groats n00b

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    Is there any risk of damaging the monitor by forcing up the Hz?
     
  16. TeraMeow

    TeraMeow n00b

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    Yes, but you can check the 2209 thread and look at what others are doing to reduce the risk.
     
  17. dunnno

    dunnno [H]Lite

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    I doubt it since it's part of the official specs.
     
  18. doz

    doz [H]ardness Supreme

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  19. precariousgray

    precariousgray Limp Gawd

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    That driver's finally got me running at 75hz, yay! Apparently I'm too much of a lazy, moronic schlub to figure out which settings to change in Phoenix on my own. Thanks for the link!
     
  20. sideeffect

    sideeffect n00b

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  21. aggressor

    aggressor Limp Gawd

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    This worked for me after a reboot. No need for additional programs = hooray :D

    I DO have a question, though...if this is part of the official specs of the monitor, why does it require hacks to activate 75\76hz? Certain other monitors let you, so why not this one?
     
  22. Matija

    Matija Limp Gawd

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    It's not a part of the official specs - it's a hack. The monitor _may_ be able to do 75 Hz, but it's not guaranteed. My monitor starts displaying corruption in the form of horizontal lines, and it also starts making a noise. I'm quite convinced that running *my* monitor on 75 Hz for a short while would destroy it. It works for some monitors, but not for others.
     
  23. aggressor

    aggressor Limp Gawd

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  24. precariousgray

    precariousgray Limp Gawd

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    Still no issues running at 76hz, but I can't really be sure if there's much of a difference from 60. Still lots of tearing in games, but at least I can press the menu button for the OSD and see 1680x1050@76Hz at the bottom!
     
    Last edited: Dec 18, 2009
  25. Leopardi

    Leopardi Limp Gawd

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    So how do I run it at 75Hz? I have an ati card. I tried refreshlock, refresfroce and dxdiag value thingy. It just reports 60hz. Then I went to the timing settings in powerstrip and chose 75hz for vertical and there were artifacts all over the screen.
     
    Last edited: Mar 4, 2010
  26. evilsofa

    evilsofa [H]ardForum Junkie

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    See sideeffect's post earlier in this thread (post #20).
     
  27. Leopardi

    Leopardi Limp Gawd

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    I want 75Hz, it feels better in games.
     
  28. rhiridflaidd

    rhiridflaidd [H]Lite

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    If the spec says 75 why are you guys running it at 76??
     
  29. dizolit

    dizolit Limp Gawd

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    The modded EDID from wsg most people are using bumps it up to 76hz. Don't know why 76 instead of 75, but 75hz isn't an option with the mentioned EDID.
     
  30. wagsrules

    wagsrules [H]ard|Gawd

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    75 and 76 hz are both options for me. I run an ati 5770.
     
  31. rhiridflaidd

    rhiridflaidd [H]Lite

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  32. SYN ACK

    SYN ACK [H]ard|Gawd

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  33. rhiridflaidd

    rhiridflaidd [H]Lite

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    Right. I'm a novice here, but on messing with this inf...

    http://www.overclockers.com/forums/showpost.php?p=6280080&postcount=159

    I can see that the horizontal refresh is indeed set at 76, but the vertical refresh is still at default, whilst the spec for this monitor

    http://support.euro.dell.com/support/edocs/monitors/2209WA/en/ug/about.htm#Specifications

    at 75hz is 86 khz.....

    So this monitor, even with this inf is still running below system spec.

    The bloke in the OC forum clearly knows what he's doing.....

    I can create a dat file that reads

    1680 x 1050p at 75Hz - VESA STD

    But the detail timings is something different again.

    So.....who is expert enough to get this pixel clock up to 187?

    Edit- Some theory

    http://www.mcamafia.de/mcapage0/timecalc.htm

    "1680x1050" 146.250 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync Default

    "1680x1050" 153.290 1680 1712 1744 1842 1050 1053 1059 1089 -hsync +vsync - killer's dat.

    K
     
    Last edited: May 18, 2010
  34. einz

    einz Limp Gawd

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    Can someone explain to me the appeal of 75Hz? I understand why higher resolution is better back in the CRT days, but what's so good about 75 vs 60? Is it simply a matter of higher perceived FPS? Doesn't your eye lose the ability to see >30-40fps?
     
  35. rhiridflaidd

    rhiridflaidd [H]Lite

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    The neuropsychologyists did not use fast paced FPS's in their testing methodology - perhaps they should. Gamers know that the scientists are wrong on this one.

    Right on digging, the answer to why killer wrote his setings as he did is that the Dell settings with a 187mhz pixel clock can't work because a DVI connection has a 165mhz cap.

    This monitor seems happy at 76, so why not go for the 1mhz extra.

    So there we go.

    The 76 dat works for me, and I can use it in BFBC2 - that's all I need!

    The scientists can set up a clan game of counterstrike, one team with vsync set at 75, the other with vsync set at 40 so this can be settled once and for all.
     
    Last edited: May 19, 2010
  36. evilsofa

    evilsofa [H]ardForum Junkie

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    No.

    http://www.100fps.com/how_many_frames_can_humans_see.htm
     
  37. Leopardi

    Leopardi Limp Gawd

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    Still no 75Hz driver available?
     
  38. Koslov

    Koslov [H]ard|Gawd

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    I'm having problems with the latest NVIDIA drivers on a 8800GT
    Any updated info for Nvidia users? Never had a problem with my ATI card
     
  39. TechHead

    TechHead 2[H]4U

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    ^Mine works at 75hz, using an 8800GT SLI setup + 257.46 drivers IIRC.
    Will check when I get home from work today.
     
  40. Neochrome

    Neochrome n00b

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    Sorry for resurrecting this old thread, but I have jut tried to "overclock" my DELL 2209WA to 76Hz refresh rate. I did it with the help of manual settings, in nVidia Control Panel, with just a little change: Total vertical pixels at 1088 (compared to 1087 from a guide) and Polarity +/- (horizontal / vertical). And polarity is my question, because it seems to not change anything visible on the screen, and I can do 76Hz with +/- or -/+. What is the purpose of the Polarity? How is it affecting your panel/screen/its quality? Thank you...