Possible solution to unstable FPS (NVIDIA users)

A nice feature for nvidia users, esp. for those with higher end boards (Kepler): use recent drivers and activate the Frame Rate Limiter option (it works well in combination with adaptive vsync, btw...).

To access this option you need to use either a tool from a gfx board vendor (like EVGA or MSI) or, much preferred!, the NVIDIA Inspector (eg. from here ).

It will stabilize the whole display - and might correct issues with input lag or high temperatures...

some ***update***

In the NVIDIA Control Panel I changed the following:

Power Management Mode: Adaptive (yes, adaptive! I was using Maximum performance and all it did was crash to windows and make my FPS unstable)
Threaded Optimazation: On

https://dl.dropbox.com/u/74323020/settings.jpg [dl.dropbox.com]

Windows Aero: Disabled
Page file: Disabled

How to disable pagefile:

http://www.youtube.com/watch?v=Eh66PzVNUvg [youtube.com]

How to disable Aero in Windows 7:

http://www.youtube.com/watch?v=F1_N_1PnAx8 [youtube.com]

This is my user.cfg file:

GameTime.MaxVariableFps 59.95
Render.DrawFps 0
Render.DrawScreenInfo 0
Render.PerfOverlayEnable 1
Render.PerfOverlayVisible 1
RenderDevice.Dx11Enable 1
RenderDevice.ForceRenderAheadLimit -1
RenderDevice.TripleBufferingEnable 1
Screenshot.Format png
UI.DrawEnable 1
WorldRender.DxDeferredCsPathEnable 0
WorldRender.SpotLightShadowmapResolution 1024

My settings ingame : Everything ULTRA + 4x MSAA + HBAO+ Vsync ingame ( no DOF)
for 99% of the time I don't have fps drops, it also depends a bit on the maps.. Gulf of Oman is still a bitch

Rig:

i7 930 @ 4.2Ghz
6GB RAM @ 1603Mhz
Asus P6X58D-E (0602)
Gigabyte GTX 670 Windforce 2GB @1231/7406


So far it is working insanely good. I can finally enjoy the game and I am not ALT+F4 after couple of minutes. Only FPS drop I noticed was @ Karkand from the US side going through the right side.. that small area there seems to always give me a little problem.

Give it a try and let me know!

Maybe this is going to help as well 

http://www.evga.com/forums/tm.aspx?high=&m=1323124&mpage=1#1323124

some more updates:

If you have Microshutter in bf3: ingame write this opening console ~ command renderdevice.forcerenderaheadlimit 1 and it fixed it

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

90 fps + still lagging

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

there is a know issue with the way bf3 interact with the hardware......is dice fault.....double check your pc if there is optimize for gaming.....

set windows to max performance

disable windows aero.....

overclock your gpu and cpu

disable pagefile

disable the unnecessary services

run ONLY bf3 at the time......

Did the nvidia one, and i can play bf3, but on fps that change from 60 to 5 to 60 to 3 to 45 all the time..

this video could be help as well http://www.youtube.com/watch?v=ECIfCJoa8Ag&feature=relmfu

in game open console press ~ and gametime.maxvariablefps 60

"this video shows you how to record/play without any lag.
My fps would drop tons of times in-game thus giving me lag, not anymore.
This only works if your fps never drops below 60."

well in that video it sais: "This only works if your fps never drops below 60." could be that you need update your pc or even try run it on low grapchics also i saw you have 2048 GB RAM well not good should be 4gb at least i have 8gb also which wins you run 32 or 64 bits?

As n00beris said before,problem is with your RAM,you have only 2GB and BF3 is really a demanding game that requires a minimum of 4GB for best gameplay.

Also as I said before on your post,you have only a Dual Core CPU and BF3 doesn't like Dual Core CPUs,only Quad Core and above.

Try downloading Game Booster program and end tasks in the background to ensure you have as much as RAM free,also if you can,upgrade your RAM to 4GB and CPU to Quad Core.

*****UPDATE******

I have a good news for NVIDIA graphic card users!!!!!!!!!!

(At least this works for me 100% and still works with no crash!)
I updatet my notebooks drivers to latest - 306.97 and crashing dissapeared. Really!! No crashes to desktop anymore.
I guess this have something to do with vertical synchronization.
Before i had 306.23 driver, crashed all the time like a bitch!

So man advices and recommends heard, but none of them worked!
and even EA expert did not mentioned nothing about drivers.....
a lot of texts from them but no sense at all.

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