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#31
10-01-2011, 06:50 PM
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Hi Guys. Hi RickRuski
I did what you had ordered, but in my case, the SLI works but I have many stoppages in the cities ... I I have done the same profile that you are using physic CPU and SLI is turned on .... I have 2 target in SLI (GTX 275) on ASUS P6T motherboard with 6gb ram trichannel and microprocessor is I7 at 2,8.... My FPS is in the water 60, the game runs fine, but in cities ... fps is very poor ... The levels of detail in cities and forests are very low and medium quality textures ... Any ideas. Thank you. 
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#32
10-01-2011, 08:11 PM
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Hi Span_Valalo,
I have 2x GTS450's in Sli and find that until my cards have reached full operating temp's they stutter a bit (this takes about 2 min.). Also are you leaving "Inspector" minimised or are you shutting it down??. I find that I must check my settings each time I go to start COD, "Inspector" seems to reset to "Global" settings when shut down. Don't know if you are running your cards over clocked, mine were O/C by factory but I have detuned them to standard clocks each time and find them more stable. Are both your cards from the same manufacturer??, Mine aren't and have different clocks, that is why I use EVGA "Precision Tool" to set both cards to same clock speeds ( Standard, no O/C). You can also use "Inspector" to set your clocks, Just make sure that you "unlock" minimum and Maximum. With "Precision Tool" you can Syncronise both cards clocks. These small adjustments I have found seem to make small improvements each time. EVGA Precision tool works with all Nvidia cards I have been told by EVGA, also MSI tool. The "Profile" that I'm using is only a work around until hopefully the developers and Nvidia come up with an "Official" profile, and only seems to be ok for some and not all (especially those with 3+GPU processors in Sli). I have just installed the latest Nvidia "Beta" drivers 285.38 but haven't had time to test them properly, at this stage I haven't seen any improvement from "285.27 Beta". Check and see if both your cards are running at the same temps or within 1--2 Deg of each other, if not this will indicate one card isn't operating properly in Sli. I'm getting fps over land 40--60fps depending on activity and 60--90fps over water. What Vram do your cards have?? anything less than 1gig with each card and you probably will be struggling. Each card must have the same amount of Vram to run in Sli (you can't mix a 1gig card with a 512mb card even though they are the same model, it won't work with Sli). This is information I have recieved from "Nvidia SLI Club". Cheers Rick Last edited by RickRuski; 10-01-2011 at 08:19 PM.
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#33
10-01-2011, 10:19 PM
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Quote:
But I have other Pc with single grapich card to GTX 465 with VRAM 1024MB - GDDR5 and motherboard P5K premium (5 yars old) with 4gb Memori Ram DDR2 and intel core quad duo, at 2,6ghz and this pc the game run better... I hope that Nvidia and Luthier make profile to SlI, it is very important...
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#34
10-01-2011, 11:13 PM
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Hi Span_Valalo,
The problem with Sli is that if you have 2 graphics cards with 896mb each of Vram the amount of ram that is available is still only 896mb, not 2 x 896mb. What does double is your "Cuda" cores, you will have 480 with your GTX275's instead of 240 single card. You might find that the GTX465 1045mb card will give you better performance at the moment on it's own. That being a GDDR5 as GDDR3 of the GTX275. If you haven't already got EVGA "Precision Tool" go to the EVGA site and download it (it is a free tool). See link: - http://www.evga.com/precision/ If you have trouble getting it, send me a pm and I will send it to you it's about a 6mb file. Cheers Rick Last edited by RickRuski; 10-01-2011 at 11:51 PM.
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#35
10-02-2011, 12:31 AM
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Quote:
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#36
10-02-2011, 03:35 AM
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Hi Span_Valalo,
I know it says it is an overclocking tool but I use it to take my clock settings back to "standard" ( de-clock factory O/C), and run my two cards at stock clocks. Don't think that it is solely an O/C tool, you can also use it in reverse in partnership with "Inspector" and then syncronise both cards to same clocks. e.g. Memory clock factory setting: - 1900 My setting: - 1804 (both cards) Shader clock factory setting: - 1700 My setting: - 1566 (both cards) Cheers Rick Last edited by RickRuski; 10-02-2011 at 03:38 AM.
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#37
10-02-2011, 09:23 AM
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Very good this program mate, tnks for sharing.
other question to O/C GTX 275 Zotar... How I can I overclock the graphics card safely?? where I can find references overclocling me?? thks Risk Last edited by 15.Span_Valalo; 10-02-2011 at 09:34 AM.
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#38
10-02-2011, 07:17 PM
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Hi Span_Valalo
If you haven't already, join "Nvidia Sli Club" which is at the Nvidia site. http://www.nvidia.com/page/home.html You will find lots of relevant information there, also help with you cards as to O/C. There are different threads for each series of Cards, just put your questions there just the same as you would here. The only thing is, they will scan your system to make sure it is a "SLI" system before they will allow you to join. If you have a "Genuine" SLI system and not a "Hybrid" there should be no problems. Cheers Rick Last edited by RickRuski; 10-02-2011 at 07:20 PM.
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#39
10-03-2011, 06:06 AM
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Quote:
~S~
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#40
10-03-2011, 06:12 AM
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