DNOTTIS
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I need a few guys with the BF BC2 hitch to test this... start the game, alt-tab to Task Manager, set affinity on the BF BC2 exe, untick one of your CPUs cores (assuming you have a quad core CPU) and post your results. Apparently this is alliviating the BF BC2 hitch and users are seeing higher minimums doing this.
I'm at work for 5 more hours and can't test this - so if some of the folks with the hitch could test this that would be great!
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 17:45:00
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Lol BF BC2 tech - Hello Gamer,
Thank you for that information, I appreciate. I do notice a couple of things that could causing trouble. Firstly, I notice you are running an i7 processor. Battlefield Bad Company 2 was not designed for a processor with 8 cores. Furthermore, you are running on a Windows XP 64bit Operating System. None of our titles, except for Crysis, are designed for 64bit systems, only 32bit systems. We cannot guarantee functionality because your system set up was never used for testing and is thus not supported. I recommend checking out our Forums at forums.ea.com and discuss it with other gamers who have similar system setups and see if there is a workaround for having a 64bit XP system.
Thank you,
Kevin P
Tier 3 Customer Support
http://forum.ea.com/eaforum/posts/list/1710022.page
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Cosmosis909
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 17:50:18
(permalink)
DNOTTIS
I need a few guys with the BF BC2 hitch to test this... start the game, alt-tab to Task Manager, set affinity on the BF BC2 exe, untick one of your CPUs cores (assuming you have a quad core CPU) and post your results. Apparently this is alliviating the BF BC2 hitch and users are seeing higher minimums doing this.
I'm at work for 5 more hours and can't test this - so if some of the folks with the hitch could test this that would be great!
I just tested this and the game was smooth for the first time ever for me on dx11. I reset NV control panel settings and deleted bc2 settings.ini file before I tested. Check when you get home Dean im positive it will make a difference! Very weird that this fixed it though.
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 17:55:36
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Cosmosis909
DNOTTIS
I need a few guys with the BF BC2 hitch to test this... start the game, alt-tab to Task Manager, set affinity on the BF BC2 exe, untick one of your CPUs cores (assuming you have a quad core CPU) and post your results. Apparently this is alliviating the BF BC2 hitch and users are seeing higher minimums doing this.
I'm at work for 5 more hours and can't test this - so if some of the folks with the hitch could test this that would be great!
I just tested this and the game was smooth for the first time ever for me on dx11. I reset NV control panel settings and deleted bc2 settings.ini file before I tested. Check when you get home Dean im positive it will make a difference! Very weird that this fixed it though.
I have a feeling we are going to find alot of the stutter problems, not just BF BC2 will be related to this. I've noticed how everyone with the hitch has been either Q9xxx or i7s. Thats about the only thing everyone with this hitch has had in common. Its quite possibe Nvidia needs to fix the way their drivers are working with quad core CPUs. We know this isn't a game issue otherwise the HD58xx cards would've been affected by this as well. Yea, I'll test it tonight and let you know as well. Hopefully a few of the others confirm this to fix it for them too. We are finally getting somewhere with this!! Hurray!
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 17:57:21
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So you're saying that running on 3 cores instead of 4 solved your stuttering issue?
Don't know why it would, I have no problems running in DX11.
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 17:59:45
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NemesisChild
So you're saying that running on 3 cores instead of 4 solved your stuttering issue?
Don't know why it would, I have no problems running in DX11.
It was suggested to me as it was fixing it for other people. I didn't find this, I was told about it. So I'm sharing with the folks here having this problem.
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Cosmosis909
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:03:44
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NemesisChild
So you're saying that running on 3 cores instead of 4 solved your stuttering issue?
Don't know why it would, I have no problems running in DX11.
Yes this fixed the stutter on my system. Have no idea why but it did.
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chizow
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:08:47
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Cool, looks like it was a system/game engine problem just as I thought! Glad EA was able to figure out the fix for you guys. 
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:10:57
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chizow
Cool, looks like it was a system/game engine problem just as I thought! Glad EA was able to figure out the fix for you guys.
Thats wasn't from EA. The post from EA was unrelated, I just thought it was funny what they said. Its not a system / game engine problem though, remember, works fine with ATI cards. Its still only an Nvidia issue...
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chizow
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:15:46
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DNOTTIS
chizow
Cool, looks like it was a system/game engine problem just as I thought! Glad EA was able to figure out the fix for you guys.
Thats wasn't from EA. The post from EA was unrelated, I just thought it was funny what they said.
Its not a system / game engine problem though, remember, works fine with ATI cards. Its still only an Nvidia issue...
Again, clearly not true as its well established ATI cards have the same problems, they just might not manifest themselves on every system. Similar to Nvidia cards not all having the same problem, depending on system. Its certainly possible the problem was more prevalent on Nvidia systems because just as I said numerous times, Nvidia hardware is more dependent/responsive to CPU speeds, but the fact you changed the game .exe affinity from 4 to 3 cores and didn't have to do anything to the drivers shows its very clearly an engine problem.
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:20:30
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chizow
DNOTTIS
chizow
Cool, looks like it was a system/game engine problem just as I thought! Glad EA was able to figure out the fix for you guys.
Thats wasn't from EA. The post from EA was unrelated, I just thought it was funny what they said.
Its not a system / game engine problem though, remember, works fine with ATI cards. Its still only an Nvidia issue...
Again, clearly not true as its well established ATI cards have the same problems, they just might not manifest themselves on every system. Similar to Nvidia cards not all having the same problem, depending on system. Its certainly possible the problem was more prevalent on Nvidia systems because just as I said numerous times, Nvidia hardware is more dependent/responsive to CPU speeds, but the fact you changed the game .exe affinity from 4 to 3 cores and didn't have to do anything to the drivers shows its very clearly an engine problem.
Dude, we'll just agree to disagree - but if you can put in a HD5870 and NOT change the affinity to 3 cores tells me its NOT a game issue. I mean according to your reasoning this would mean a quad core CPU is too much CPU for Fermi. By handicapping the CPU the GPU can finally keep up. (Now obviously I don't believe this, I'm about 99.9% sure this is an issue Nvidia will clear up through drivers). Let's just end the constant bickering, the information has already been passed on to Nvidia...then again... where did I get that suggestion from??? hrmmm.... ;)
post edited by DNOTTIS - 2010/08/13 18:23:28
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Insurgent
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:27:08
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DNOTTIS
I need a few guys with the BF BC2 hitch to test this... start the game, alt-tab to Task Manager, set affinity on the BF BC2 exe, untick one of your CPUs cores (assuming you have a quad core CPU) and post your results. Apparently this is alliviating the BF BC2 hitch and users are seeing higher minimums doing this.
I'm at work for 5 more hours and can't test this - so if some of the folks with the hitch could test this that would be great!
so if ht is on that'll leave six cores to go or disable ht for just the three cores?
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chizow
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:30:07
(permalink)
DNOTTIS
chizow
DNOTTIS
chizow
Cool, looks like it was a system/game engine problem just as I thought! Glad EA was able to figure out the fix for you guys.
Thats wasn't from EA. The post from EA was unrelated, I just thought it was funny what they said.
Its not a system / game engine problem though, remember, works fine with ATI cards. Its still only an Nvidia issue...
Again, clearly not true as its well established ATI cards have the same problems, they just might not manifest themselves on every system. Similar to Nvidia cards not all having the same problem, depending on system. Its certainly possible the problem was more prevalent on Nvidia systems because just as I said numerous times, Nvidia hardware is more dependent/responsive to CPU speeds, but the fact you changed the game .exe affinity from 4 to 3 cores and didn't have to do anything to the drivers shows its very clearly an engine problem.
Dude, we'll just agree to disagree - but if you can put in a HD5870 and NOT change the affinity to 3 cores tells me its NOT a game issue. I mean according to your reasoning this would mean a quad core CPU is too much CPU for Fermi. By handicapping he CPU the GPU can finally keep up. (Now obviously I don't believe this, I'm about 99.9% sure this is an issue Nvidia will clear up through drivers). Let's just end the constant bickering, the information has already been passed on to Nvidia...then again... where did I get that suggestion from??? hrmmm.... ;)
No, the 5870 not changing affinity just tells me the 5870 isn't as CPU dependent and wouldn't be as subject to variations on multiple cores, as I've already linked for you numerous times: http://www.bit-tech.net/hardware/cpus/2010/07/05/how-many-cpu-cores-do-games-need/5 Honestly I'm not sure how you think Nvidia will fix this in their drivers when it very clearly needs to be addressed in a BFBC2 patch to limit the game's core affinity to 3 rather than 4. This is the same reason we can't just make our Dual Core games to run on 3 and 4 cores by simply signing affinity, because threads are assigned core affinity by the game engine. But yes, there's no need to bicker over it, a very simple client side fix that I'm sure DICE will patch soon has taken care of it, sounds like Nvidia was able to work with DICE to get to the bottom of it.
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:35:11
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Chizow -
Well since we've gotten this far... do me a favor and try it...test it in MP using DX11 and let me know if you notice a difference. Test it both ways and compare it. See if you notice the hitch once you've tried it with 3 cores.
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Robs03gts
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:35:38
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chizow
Cool, looks like it was a system/game engine problem just as I thought!
What a load of garbage.
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:36:15
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Insurgent
DNOTTIS
I need a few guys with the BF BC2 hitch to test this... start the game, alt-tab to Task Manager, set affinity on the BF BC2 exe, untick one of your CPUs cores (assuming you have a quad core CPU) and post your results. Apparently this is alliviating the BF BC2 hitch and users are seeing higher minimums doing this.
I'm at work for 5 more hours and can't test this - so if some of the folks with the hitch could test this that would be great!
so if ht is on that'll leave six cores to go or disable ht for just the three cores?
Good question - test it and let us know. According to the second post, the response someone got from EA Support, the game wasn't designed for more than 4 cores though.
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:37:18
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Robs03gts
chizow
Cool, looks like it was a system/game engine problem just as I thought!
What a load of garbage.
Hey Rob - test it and lemme know.. you still have a 480??
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:38:22
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..I'd also like to see others having stutters in other games to test this too.
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Robs03gts
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:44:39
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chizow
But yes, there's no need to bicker over it.
Then would you please ***EDITED BY AB*** it and stop trying to force your opinion on everyone else?
post edited by Afterburner - 2010/08/15 00:19:33
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:45:25
(permalink)
Funny, no stuttering here with my i7 920 and Nvidia 480. Besides the initial PB check of course, but that lasts for 10 seconds at most when connecting to a server. That has always been an issue with any PB game though.
EDIT: Aren't most of these console ports nowadays built to run on the triple core processor on the Xbox? In that case, it would make sense that removing one core from the game would increase performance.
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Robs03gts
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 18:46:05
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DNOTTIS
Robs03gts
chizow
Cool, looks like it was a system/game engine problem just as I thought!
What a load of garbage.
Hey Rob - test it and lemme know.. you still have a 480??
No im sorry brother, I sold it a couple of weeks ago. I will wait till you test it and see what you find and then I might purchase another one if it fixes it.
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chizow
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:04:11
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DNOTTIS
Chizow -
Well since we've gotten this far... do me a favor and try it...test it in MP using DX11 and let me know if you notice a difference. Test it both ways and compare it. See if you notice the hitch once you've tried it with 3 cores.
Just tried it, was actually worst for me, probably because I'm running SLI and need the extra cycles, 3xCores are basically pegged at 100% for me, so 75% the entire time in-game on 3 cores, 10% or so on the 4th. Not good, need that extra headroom or I get a lot more jerky gameplay (not microstutter, just noticeable hitches). This is alt-tabbed, in-game total % is ~80-85% even with 1 core affinity disabled for BFBC2.exe  Robs03gts
What a load of garbage.
Ya that's a good summary of every contribution and conclusion you've made on the topic.
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C++vid
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:07:48
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Just tried it.
Getting practically the same performance as before, but then again, I'm not running an i7-based system.
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chizow
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:10:40
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C++vid
Just tried it.
Getting practically the same performance as before, but then again, I'm not running an i7-based system.
Ya man, didn't think it would, sorry to be the bearer of bad news, I typically don't get involved with the CPU bottlenecking discussions because for whatever reason people are hypersensitive/resistant to it, but that's just the reality of it. The folks with low FPS and low GPU usage are going to need to upgrade their CPUs to improve FPS in BFBC2.  If anything this fix is going to make things worst for people with slower CPUs.
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:13:40
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I can't even set affinity for some reason. It keeps saying access denied... I set to run as admin...
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borgeolsen
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:21:19
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DNOTTIS
I need a few guys with the BF BC2 hitch to test this... start the game, alt-tab to Task Manager, set affinity on the BF BC2 exe, untick one of your CPUs cores (assuming you have a quad core CPU) and post your results. Apparently this is alliviating the BF BC2 hitch and users are seeing higher minimums doing this.
I'm at work for 5 more hours and can't test this - so if some of the folks with the hitch could test this that would be great!
I can confirm this is giving a near ATI smoothness on the Multiplayer gameplay. My setup: i5 750 @ 3.6 ghz GA-P55-UD5 8 gig Kingston HyperX 1600mhz Corsair TX750 Zotac GTX480 AMP! Edition I want to be clear that I am neither an ATI or NVIDIA fanboy and have owned cards from both manufacturers the last year. I used to have XFX 5850 Black Edition and then i moved on to a XFX 5870 Black Edition. The game had a much smoother feeling with the ATI cards, but im sure NVIDIA/DICE will solve this problem. Thanks for the advice DNOTTIS, I will test this on World Of Warcraft aswell, as it seems i have a small stutter there aswell.
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:25:52
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chizow
C++vid
Just tried it.
Getting practically the same performance as before, but then again, I'm not running an i7-based system.
Ya man, didn't think it would, sorry to be the bearer of bad news, I typically don't get involved with the CPU bottlenecking discussions because for whatever reason people are hypersensitive/resistant to it, but that's just the reality of it. The folks with low FPS and low GPU usage are going to need to upgrade their CPUs to improve FPS in BFBC2. If anything this fix is going to make things worst for people with slower CPUs.
Hey, I took you seriously before! You were probably on of the reasons why I'm switching from AMD to Intel, lol. (i7 - 930 to be exact ^__^)
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Viamonte
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:27:17
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Actually, another fix would be to disable Hypertreading on BIOS, and leaving the affinity to all four cores, but four threads instead of eight, because the number of THREADS seems to be the issue that EA representative pointed out. Anyone there care to try my theory?
Maybe that's a reason many people don't have this issue.. they oc'd and disabled HT to improve temps.
 MB: MSI Eclipse SLI CPU: i7 920 @ 4ghz w/ CoolerMaster V8 RAM: Corsair 6gb 1600mhz @ 1600mhz VID: EVGA GTX 480 @ 870mhz / 2100mhz 1.100v HD: 2x Samsung HD 500gb MON: LG W2353V KB: Logitech g15 SOUND:Soundblaster X-Fi Xtreme PCI-e @ Edifier CASE: CoolerMaster CM 690 PSU: Corsair tx850w
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DNOTTIS
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:27:21
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Does anyone know if there is a way to make a shortcut that would set affinty on launch of the game to 3 cores?
2600k @ 4.6ghz, G.Skill Ripjaws 16GB DDR3, Asus P8P67 LGA, X-Fi Ti PCI-e, Zotac GTX 680, Coolermaster UCP 1100 watt PSU, Lian Li v-2000, Custom Water Cooled GPU and CPU.
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Re:Possible stutter workaround for BF BC2 with 4xx cards..
2010/08/13 19:27:43
(permalink)
Does anyone know how to fix the access denied issue when trying to set BC2 processor affinity. I wanted to test this for the heck of it, but it is giving me an access denied message. I am signed in as admin, running the game as admin... still the error.
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