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Swaroopa

Arma 2 CO DX9 or DX11

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I was looking at the new Editor tutorial released by BI and the graphics look great. I have a fairly good system AMD Phenom II X4 and ATI 5770 1GB DDR5. The game runs smoothly with all settings at very high and native rez is 1900x1020 but there are graphic problems such as rough edges and incomplete shadows. Is that because I'm still on WinXP DX 9? Please let me know if upgrading to Win7 DX11 can do any good to improve graphics?? I have the latest version of catalyst drivers. Thanks.

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Since the game is running DX9, using Win 7 with DX11 is irrelevant. My Win 7 generally gives me better performance than I did have in XP, but that can just be due to the OS and what I have installed/running.

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I got both Arma 2 and operation arrowhead in a package called Combined Operations. I was doing the newly released BI editor tutorials. As the tut says, I dropped this squad car and I could see a huge difference when compared to the graphics in the video. I also have the BAF DLC. This my first ever high end graphics card so I tend to become graphics whore. Does operation arrowhead supports DX11? Is there something I need to do to get optimum graphics?

Specs:

1. AMD Phenom II X4 965

2. ATI 5770 1GB DDR 5 - Latest drivers updated

3. 2 GB DDR 2 RAM

4. 24'' LCD Monitor

5. 450 Watt CPU

6. Normal ATX Cabinet

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I got both Arma 2 and operation arrowhead in a package called Combined Operations. I was doing the newly released BI editor tutorials. As the tut says, I dropped this squad car and I could see a huge difference when compared to the graphics in the video. I also have the BAF DLC. This my first ever high end graphics card so I tend to become graphics whore. Does operation arrowhead supports DX11? Is there something I need to do to get optimum graphics?

Specs:

1. AMD Phenom II X4 965

2. ATI 5770 1GB DDR 5 - Latest drivers updated

3. 2 GB DDR 2 RAM

4. 24'' LCD Monitor

5. 450 Watt CPU

6. Normal ATX Cabinet

Your Power Supply unit is very lacking in wattage btw. 450W is not nearly enough for a 5770 and quad. You always want extra wattage/power when it comes to PSUs so your hardware is never restricted by it.

Arrowhead uses DX9 as well.

The reason the videos look so smooth is because they probably have very strong PCs and the OS installed on that PC probably only has ArmA 2 installed meaning nothing else is there to eat performance.

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There's a variety of reasons your GPU would get to 100C... but that's why you are getting artifacting everywhere. Turn up your fan speed on the GFX card and make sure it's getting ventilation (Cable management in case and ambient temperatures... never stuff your computer in a corner or in a tight space).

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Yes, the problem is my cabinet. It's of a pretty basic model and I can sense the heat near my leg. I think the PSU is fine as the requirement for ATI 5770 is 450W PSU. I input my config in this website, power consumption of my config is 397W.

http://educations.newegg.com/tool/psucalc/index.html

I think getting a cabinet with better ventilation system would boost the performance.

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Yes, the problem is my cabinet. It's of a pretty basic model and I can sense the heat near my leg. I think the PSU is fine as the requirement for ATI 5770 is 450W PSU. I input my config in this website, power consumption of my config is 397W.

http://educations.newegg.com/tool/psucalc/index.html

I think getting a cabinet with better ventilation system would boost the performance.

yes... but just because your PSU says it outputs 450w doesn't mean it does. It could ACTUALLY be outputting 400w.

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I have read somewhere that a PSU actually gives an output more than what is specified on the PSU. I have no problem with other games such as BFBC2, L4D2, Mass Effect 2, GTA IV etc. I've ordered this cooler master cm 690 II Advance edition. If this is not going to fix the problem, then it's PSU (Goddamn I'm broke :(). I will receive the chassis on Tuesday.

http://www.coolermaster.com/product.php?product_id=6638

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