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GTX260 Problems after upgrade. (Read 298 times)
Jul 25th, 2009 at 12:18am

ftwd   Offline
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Fly FS

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Hi all,

I recently upgraded my machine to

AMD Phenom II 9950 Quad
M2N68-VM mobo
MSI N260GTX oc
4 gig ram
Xigmatek NRP-MC651 psu
on WIN XP sp3 home edition 32 bit.

Since upgrading the CPU, mobo, ram and graphics card I have started to get strange anomolies in FS9. About 10 min into a flight out of Brisbane Australia when the graphics start to get more complicated, the image pauses for just over 10 seconds then I start to get ground textures in the sky, aircraft textures on ground tiles and if I change from the 3d cockpit to the 2d one, I get a screen just full of autogen textures! I have checked the GPU temps and they have never exceded 61 degrees C when the problem occurs. My PSU is designed for nVidia SLI and I am running off two different +12v rails each with 18amps. I have the latest nVidia drivers installed and I used driver sweeper in safe mode before installing them to get rid of the previous driver.

I have tried tried reducing the USERVA to as low as 2304, but I still seem to be getting problems.

In FSX, I completed a flight from YBBN to YSSY then after landing I had verticle spikes comming out of the Autogen. When I changed views, the whole thing locked up and I had to turn the PC off to get out of it.

Is my GPU stuffed???

Cheers,

Nathan   Cry

 
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Reply #1 - Jul 26th, 2009 at 8:10pm

757200ba   Offline
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757200-THOR of the skys
Florida

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Ok, from what you say, i guess there is some kind of conflict there.
Its not a super machine, but its a "so so" machine.
4gb of memory, are they separated? If yes try to take one out. See if it works better.
Im not a Guru but i guess there is something there not working right.
850w seem more than enough to run that sys.
But i guess there is something there saying "NO".
keep us posted.We all know that fs9 doesnt take "advantege of multi core" but....
thats an ok system, so that must be something saying "no" to FS9
Undecided
 
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Reply #2 - Jul 27th, 2009 at 12:37am

SubZer0   Offline
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KLNA

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Browse to CONTROL PANEL - SYSTEM - ADVANCED TAB - PERFORMANCE BUTTON - ADVANCED TAB - VIRTUAL MEMORY – CHANGE BUTTON

First we must clear the system of the old page file and build a new one. Select NO PAGING FILE, the SET and OK then APPLY. Close the System Properties box and you will be asked to reboot, select YES and reboot.


In some cases the old page file will remain on the hard drive. We want to delete that file before we rebuild a new one.

Go to C:\ and se if the following file is there in the root directory: pagefile.sys

If it is, right click and delete it.


Browse to CONTROL PANEL - SYSTEM - ADVANCED TAB - PERFORMANCE BUTTON - ADVANCED TAB - VIRTUAL MEMORY – CHANGE BUTTON

Rebuild the page file:

Select the drive Windows is installed on in the top list, then...

Place a bullet in CUSTOM SIZE then enter the following in BOTH MIN and MAX boxes: 3072


The page file ALWAYS goes on the boot drive with WindowsXP. Never move it.

Click SET then OK and the next box click APPLY and OK to close it.

The system may ask you to reboot, select YES

Then try this:

First download the explorer from http://www.ntcore.com/exsuite.php

Next make a copy from fs9.exe. Than start "CFF Explorer" and open the orginal fs9.exe file.
Now go to NT Header/File Header and click File Header. There you find a button labeled "click here". Click it. And select the mark at "App can handle> 2gb adressest "
Save the modified EXE, overwrite the orginal one (You have youre copy saved?).


In FSX, go to the fsx.cfg and add the following to the very end:

[BUFFERPOOLS]
PoolSize=250000000
 
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Reply #3 - Jul 28th, 2009 at 2:14am

ftwd   Offline
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Fly FS

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Thanks Andy and  Undecided ,

I tried everything you recomended Andy but I still got had the same problems. The company I bought the card from suggested that there is a problem with the GPU so I returned it for testing and hopefully replacing. I had an AMD Athlon 64x2 4400 and an nVidia 8800GTS in the system before and never had a problem with FS9. Hopefully a new GPU will fix it.

One other question Andy, you suggested that the [BUFFERPOOLS] be set at 250000000 (250 million-7 zeros!) for FSX? Is that correct? I had it it 2500000 (5 zeros) but have changed it to 4000000 (6 zeros). Everywhere I have read suggested in the millions, not hundreds of millions?

Cheers,

Nathan
 
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Reply #4 - Jul 28th, 2009 at 11:24am

SubZer0   Offline
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The BUFFERPOOLS setting is a shot in the dark, really. It either works or it doesn't, there's not inbetween. Moreover, you have to have the right number for it to work right. I used to have that setting in .cfg, and it was at 250million working fine, but I've taken it out altogether now as I only tweak by the autogen sliders in the in-game settings. Quite honestly, it's best to leave the fsx.cfg alone. The only thing you should really change is the widescreen setting to TRUE if you have a widescreen monitor, and the TEXTURE_BANDWIDTH_MULT to 70 or 80 for your system.

I know what it's like to have to return hardware and wait the long wait... Best of luck with your new card!
 
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