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HowTo: Prevent GTX 200 Series Downclocking

post #1 of 133
Thread Starter 
**UPDATE 07/31/2009*************

Due to limitations on driver versions > 185.xx RivaTuner must be forced to use a specific driver version. To enable said force please see the updated post HERE first.

Cheers!

******************************

Greets,

Had an issue recently where my new GTX 260 Core 216 card from EVGA would adjust it's frequencies during idle times or times the GPU was not under heavy load.

This in and of itself is not an issue because the nVidia GTX 200 series of cards (GTX 260/280 and future x2 versions) have a power savings feature built in to keep the cards cool while not necessarily needing the extra bandwidth of the GPU.

This does however cause an issue in some games that don't fully utilize or stress the GPU and in some occasions can lock your game up or other issues. As well the Folding@Home project will take a big PPD hit because while the card goes into power savings mode or in my case the Windows XP BLANK screensaver.

I noticed while monitoring my card would "down clock" to it's 2D Performance clocks while just idle at desktop even while running a full GPU2 Gromacs F@H core. Engaging the keyboard or mouse would ~instantly~ pop the clocks back up to the 3D Performance clocks, which are the highest, thus resulting in much more PPD even while idle at the desktop.

To remedy this I used RivaTuner 2.20 which has the ability, even with the latest beta 180.xx drivers, to ~force~ a selected mode regardless of the power savings mode. This has given me more stability in the games I was having issues with AS WELL a maintained F@H PPD in the upper 6-7k.

To enable these features you must download and install RivaTuner 2.20 which most already have or have used in the past. RivaTuner can be downloaded from it's official source Guru3D located at this address.

Once you've downloaded and installed RivaTuner we can now go through and enable the Power User settings to enable the `Force Profile` functions.

*Warning*Warning*Warning*
You Will Receive Various Warnings Throughout This Power User Settings Possibly. PLEASE Read Them And Understand For I Cannot and Will Not Be Held Responsible - Do Your Homework!

Step 1 - Setting The Power User Setting
  • Navigate to the Power User tab on RivaTuner
  • Find The Entry For `Rivatuner \\ NVIDIA \\ Overclocking` (Image 1, Item 1)
  • Expand The Leaf By Pressing [+]
  • Find The `EnablePerflevelForcing` Entry (Image 1, Item 2)
  • Right Click The Entry and Toggle The Light Bulb ON (Image 1, Item 3)
  • You Should Now Have The Value = 1
  • Hit OK To Save The Setting
  • If Prompted To Reboot At This Time, Do Not Yet

Image 1 - Power User Settings


Step 2 - Enable Overclock & Forced Performance
  • Navigate Back To The Main Tab
  • Locate The `Driver Settings` Area
  • Down Click The Arrow To The Right Of Driver Name (Image 2)
  • A FlyOut Menu Will Appear, Choose First Icon (Image 3)


Image 2 - Driver Settings


Image 3 - Driver Settings - System Tweaks

  • Once in the `System Tweaks` Window Choose The `Overclocking` Tab
  • Now Enable Overclocking Support (Image 4, Item 1)
  • Optionally Choose To Unlink or Link Core and Shaders (Image 4, Item 2)
  • If You Wish To Overclock The GPU You Can Do So Here As Well
  • Drop Down Force Performance Level
  • Choose `performance 3D` (Image 4, Item 3)
  • Check `Apply Settings At Startup` and Save Button (Image 4, Item 4)

Image 4 - Overclock Tweaks

Once your done hit OK and you more than likely will get a PopUP about rebooting to enable these features. Do so now so they save and persist.

[Update #1]
You MUST also, if you wish for this to be transparent each time you run Windows, to make sure RivaTuner is running each startup.

Step 3 - Enable Automatic Startup

  • Navigate to the `Settings` tab
  • Check the `Send to tray on close` (Image 4, Item 1)
  • Also Check `Run At Windows Startup` option and I choose Registry Entry (Image 4, Item 2)

Image 5 - Settings For Automatic Restart

Upon reboot you will, hopefully, never notice your GTX 200 series GPU "down clocking" in games and/or Folding@Home for that precious PPD!

!~fin~!





Edited by Ictinike - 7/31/09 at 12:01pm
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post #2 of 133
Thanks for the info! While I have taken note of the downclock feature, I've not experienced any problems because of it. That said, it's good to know that the feature can be controlled manually, and I'll probably disable the downclock before it starts to cause problems.
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post #3 of 133
Thread Starter 
Quote:
Originally Posted by kremtok View Post
Thanks for the info! While I have taken note of the downclock feature, I've not experienced any problems because of it. That said, it's good to know that the feature can be controlled manually, and I'll probably disable the downclock before it starts to cause problems.
NP and thank you!

Does anyone know, to the general group, how to get these in the FAQ section now-a-days? I tried to post this in the FAQ Section but I see things changed since I last posted a FAQ.

Thanks again and any questions or need help let me know..

Cheers!

-Ictinike
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post #4 of 133
This should be sticked or link from in a sticky.
    
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post #5 of 133
Wow, great info! Repped
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post #6 of 133
i must agree awsome info i know it was a power saving thing but good thing it can be solve thanks alot
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post #7 of 133
Quote:
Originally Posted by Ictinike View Post
NP and thank you!

Does anyone know, to the general group, how to get these in the FAQ section now-a-days? I tried to post this in the FAQ Section but I see things changed since I last posted a FAQ.

Thanks again and any questions or need help let me know..

Cheers!

-Ictinike

FAQ system is broken and is no longer in use....
Once again...
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post #8 of 133
if i do this will it prevent the card from going into Low-Power 3D but still let it drop to 2D clocks on my desktop?

*EDIT*that was poorly worded, Is there a way to do this so i sticks in High-power 3D when under ANY load, but stays at 2D clocks on my desktop?
Edited by [FDG]Explosion - 12/12/08 at 9:04am
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post #9 of 133
im currently running windows 7 & RT wont work so im using EVGA precision, is there any way i can enable that setting without RT..??
Attachment 90422

in the few weeks i've had this card i never noticed till now that it downclocks itself....lol

cheers......
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post #10 of 133
OK, I tried to do this yesterday, but it turns out that I'm far too much of a n00blar to figure out how RivaTuner works. If anyone finds an alternate method of preventing the automatic downclock, I'd love to hear it. Cheers!
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Windy
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CPUMotherboardGraphicsGraphics
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RAMHard DriveHard DriveHard Drive
24GB Corsair XMS3 Crucial M4 64GB Crucial M500 Samsung Spinpoint F3 1TB 
Optical DriveCoolingOSMonitor
LG DVD-RW Corsair H50 w/Scythe SFF21F Windows 7 Home Premium 64-bit Dell S2740L 
KeyboardPowerCaseMouse
Deck Legend 105 - Fire / Linear Corsair AX 750 Soldam Windy Black Knight Mionix Avior 8200 
Mouse PadAudio
Rocketfish Speed Creative Soundblaster XTreme Audio 
CPUMotherboardGraphicsGraphics
SU7300 Asus UL30Vt NVIDIA GT210m Intel GMA4500HD 
RAMHard DriveOptical DriveOS
4GB DDR3 500GB Seagate (5400rpm) Velocity Micro External Windows 7 Home Premium 64-bit 
MonitorPowerCaseMouse
1366 x 768 63 Wh Battery Asus UL30Vt Multi-Touch Trackpad / Logitech VX450 
CPUMotherboardGraphicsRAM
E8400 @ 4.050 GHz Gigabyte EP45-UD3L EVGA GTX 660 SC 8 GB Corsair Dominator DDR2 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 640GB | 1TB, 320GB, 120GB, 120GB Lite-On DVD-RW / LG Super-Multi DVD-RW Windows 7 Professional Samsung 2333SW + 2333HD 
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