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Old 01-17-2009, 10:43 AM   #16
baldazor
 
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Cool fix

Such a fixer you Mirror's Edge try going to My Documents\EA Games\Mirror's Edge\tdgame\Config\ and open the tdengine.ini. In this file, change MaxMultisamples from 2 to 1. Close and save the file and then try starting your game. You'll probably want to do a search for MaxMultisamples as it's more than halfway down the text. I tried this on a 7900 GTX that was having the issue and it fixed it right up.
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Old 01-17-2009, 12:18 PM   #17
KXT
 
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Isn't that just the manual way of adjusting anti aliasing? Either way it didn't help the performance issue thx anyways.
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Old 01-18-2009, 07:25 PM   #18
saivert
 
 
 
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I'm having occasional crashes with PhysX enabled in the game. Turning PhysX off solved it.

The game is fully enjoyable without the PhysX effects so my advice to everybody is to just turn it off. It's not worth all the hassle.

My system:
OS: Windows Vista Ultimate x64 SP1
Graphics: GeForce 8800GTS 320MB
Motherboard: Gigabyte GA-P35-DS4
Processor: Intel Core 2 Duo E6750 (OC to 3GHz STABLE)

I'm running an even newer driver than the latest BETA. Seems like this is one of the Windows 7 drivers. The version number is 185.20.

I'm going to install the 181.22 and see if this runs better.

PhysX version: 9.09.0010

I'm having an idea that PhysX is not optimized for older cards (8800GTS is now a really old card as it doesn't even have full video deacceleration support) so that's what causes the crashes. You need premium hardware for PhysX to work. Which is silly because it would be cheaper for me to buy an Ageia PhysX PCI card instead of upgrading my graphics card. NVIDIA really loves your money.
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Old 01-19-2009, 11:47 PM   #19
lemming77
 
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Quote:
Originally Posted by saivert View Post
I'm having an idea that PhysX is not optimized for older cards (8800GTS is now a really old card as it doesn't even have full video deacceleration support) so that's what causes the crashes. You need premium hardware for PhysX to work. Which is silly because it would be cheaper for me to buy an Ageia PhysX PCI card instead of upgrading my graphics card. NVIDIA really loves your money.
I dunno, the 8800GTS is pretty old like you said, so maybe expecting full support for PhysX is being pretty optimistic. Besides, last time I checked, 9800GTs were going around at about £100 each.
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Old 01-20-2009, 08:48 AM   #20
MasterJan
 
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I 've instlled the new physx and the latest beta drivers with my nvidia gtx 280 and whenn the physx parts come, my fps drops from 60 to ~10. anyone knows how to solve this? I already reinstalled all my drivers.
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Old 01-20-2009, 01:41 PM   #21
g0dsgreen
 
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everyone try the new patch yet? specifically addresses Physx crashing according to the patch note.
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Old 01-21-2009, 04:59 AM   #22
Cu73B4k4
 
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Physx intense scenes improved noticeably with the newer Physx drivers, but my overal FPS seemed to go down as well with the new Graphics Drivers. Haven't had time to run them independently to see the culprit. But I can tell you Physx runs pretty darn well on this system, a Q6600 and a 8800 GTS 640mb for my primary, and a 8600 GT 256mb for Physx.
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Old 01-22-2009, 10:48 AM   #23
benmears
 
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So, could PhysX (or lack of PhysX) cause the game to crash? I don't really understand what PhysX is but it seems like it is exclusive to NVidia graphics cards?

I have an ATI Radeon X1600/X1650 series graphic card on my home computer and the game does not work (Is this card good enough?). My computers at work have NVidia GeForce 7900 GS graphics card and the game works fine on them.

Right when you launch the game for the first on the computers with the NVidia cards a PhysX window pops up and installs something. The game crashes before this screen pops up on the computer with the ATI card. Could this be the reason the game crashes?

So, has anyone with a non-Nvidia card got the game to work? I'm sure somebody has because that would be pretty outrageous if the game only worked with one brand of graphics card. However, at this point I feel like the game would work on my home computer if I only had NVidia instead of ATI.

Really hoping that I don't have to buy new stuff to get the game to work.
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Old 01-23-2009, 09:46 PM   #24
lemming77
 
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Quote:
Originally Posted by benmears View Post
So, could PhysX (or lack of PhysX) cause the game to crash? I don't really understand what PhysX is but it seems like it is exclusive to NVidia graphics cards?
It's basically GPU accelerated physics. It used to run on a seperate PhysX card, however since NVidia bought out the company who makes it, they've integrated it straight into their graphics cards now. If you have neither a PhysX card or an NVidia graphics card however, you should still be able to run the game just fine with PhysX acceleration turned off.

An X1600 should work fine though, since it meets the requirements listed. DX9.0C, 256MB memory... I'm not sure that's your problem.
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Old 02-15-2009, 01:21 PM   #25
Miguel1805
 
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So, I've got a Nvidia GTX280 on a 32 bit vista. I updated the nvidia drivers, as well as the physX drivers, and my FPS still drop to 10 or so while PhysX is on and something like glass shattering or fabric ripping is going on.

Whenever I try to install the 1.01 patch of the game it prompts an error message ("Mirror's Edge is not properly installed. Please reinstall the game").

I assume this is an error that has to do with the fact that I purchased my copy of the game, and I play it, via Steam.

I recieved no answer to my emails to EA online support.

I am wondering, will an update for the Steam users ever be released? Have you encountered the same problem when trying to install the patch ON a Steam copy of the game?

Thanks.
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Old 02-20-2009, 04:15 PM   #26
GIJames
 
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Steam updates games automatically, so you don't have to install patches manually.

EDIT: never mind, the steam update news for ME says it was last updated in December of '69.

Last edited by GIJames: 02-20-2009 at 04:24 PM.
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Old 05-03-2009, 05:00 PM   #27
ArarisValerian
 
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The latest batch of Nvidia BETA drivers (which can be acquired at Guru3d.com) improve Mirror's Edge performance by 45% (said so in the release notes).

I've been using the 185.68 drivers without any issues at all.
1920x1080, 8XQAA, PhysX on, Highest Settings and in the PhysX heavy scenes it drops to 58fps. Before updating to those drivers the same scene would drop me down to 8fps. Make sure you're using the newest PhysX driver release (April 9th I believe).

-Core i7 @ 4.06Ghz, SLI GTX 280 SSC, 9800GT PhysX, 6GB DDR3, ASUS Xonar D2X-

Last edited by ArarisValerian: 05-17-2009 at 04:09 PM.
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Old 06-29-2009, 06:19 AM   #28
IntelliMoo
 
 
 
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My issue (and fix)...

I'm using XP 32, 186.18 WHQL and 9.09.0428 PhysX (latest at time of posting), two 8800 GTS 512 in SLI at 1920x1200, and 2X AA in the game.

The game runs great for me. But for the second time now (first time was several weeks ago), I have run into an issue where the game suddenly performs as if PhysX acceleration is disabled. For example, break a glass window, and the fps goes to hell instead of normally being unnoticeable.

The fix is uninstalling and reinstalling the nvidia PhysX. No idea what possibly happened to the PhysX install that would cause this issue, but luckily the reinstall fixed it both times I had this issue start happening out of the blue.

Last edited by IntelliMoo: 09-28-2009 at 04:56 PM.
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Old 09-28-2009, 04:56 PM   #29
IntelliMoo
 
 
 
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UPDATE!

Seems the PhysX becoming unaccelerated issue in Mirror's Edge (and possibly eventually anything else) is due to running another Unreal3-engine game that makes use of PhysX and includes older physx dll files in its own folders, such as Mass Effect and Unreal Tournament 3. The solution I have found that avoids this issue (so far) is replacing the dlls with the appropriate ones from the AGEIA subfolders. For example, for Mass Effect I first deleted the ones that are already in the windows system folder (PhysXLoader.dll and PhysXDevice.dll), then from the AGEIA v2.7.2 subfolder I replaced PhysXCore.dll 2.7.2.5 with 2.7.2.9, and replaced NxCooking.dll 2.7.2.5 with PhysXCooking.dll 2.7.2.9 (renamed to NxCooking.dll, they are the same functionality dlls). So now the game will use the latest files of the physx level required (2.7.2 in this case). I then did this same thing for Unreal Tournament 3 (2.7.3 level) and Mirror's Edge itself (2.8.0 level). All working well so far, here's hoping.

Last edited by IntelliMoo: 09-29-2009 at 01:16 AM.
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Old 12-03-2009, 10:15 AM   #30
stooeh
 
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^ Re-above post

If you delete the PhysxLocal folder and the PhysXCore.dll and PhysXDevice.dll files (or rename them) in the your \Steam\steamapps\common\mirrors edge\Binaries folder it will use your system installed physx instead. Fixes the slowdown issue for me
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