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I have a relatively high end PC. i7 3770k, 16gb RAM, GTX titan gfx card. When running fsx on highest settings with ORBX England 2.0 i get horrible frame rate, under 10 fps. It will also crash to desktop and say my computer has run out of memory. Anybody know why this would be? I would have thought my set up would be able to handle it.

 

Many Thanks

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Many members here at AVSIM are having OOM issues.  The most common cause is have LOD_Radius above the fsx default max (4.5) coupled with a high Texture_Max_Load setting.

 

Best regards,

Jim

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In a nutshell...

 

Turn your sliders down.

 

Max scenery in Orbx land is recipie for OOM.

 

OOM isn't your physical RAM, it's your virtual address space - and the limit inFSX is 4 GB. It's only 4 because FSX is a 32bit application. Also keep LOD at 5.5 or below (when in Orbx areas) and keep scenery one notch down from max.

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Thanks guys, much appreciated.

 

Silly silly question, but what is OOM and LOD? trying to find the abbreviations but can't. Very new to this!

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OOM = "out of memory"

 

LOD = "level of detail"

 

;)

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Do not ever feel embarrassed here.

 

We all learn something new on a daily basi, and luckily for us, there are a lot of helpful people ready to jump in and give a hand.

 

Welcome to the forums.

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You will find this settings in fsx.cfg. Fsx.cfg is located in "C:\Users\"your PC name"\AppData\Roaming\Microsoft\FSX."

 

For OOM errors:

 

 - Apply this microsoft fix for OOM errors http://support.microsoft.com/kb/947246

 - I have limit TEXTURE_MAX_LOAD to 2048. More than default 1024 is required for some high quality addons(NGX virtual cockpit for example). But more than 2048 is looking for trouble. This settings will reset to default every time you change something in FSX display option. I use FSDT addon manager to keep it at 2048

 - LOD_RADIUS i leave this on default settings. Increasing this you can get OOM's

 - If you use REX, choose DXT optimized textures where is posible, from REX settings

 - don't set screen resolution too high

 - in fsx scenery library, disable all scenery that is not used for your current flight(if you fly in USA, disable Asia, Europe, Australia etc)and all payware sceneries

 

For FSX performance:

 

 - Use Nick N. gude for windows 7 tuning, you have there one section for fsx and simconnect corect instalation too

 

 - Use Word Not Allowed's guide for fsx settings, like @@Trans_27 Pilot Chase already said above

 

Cheers

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I don't have it overclocked at the moment. Do yout think its worth doing that?

Absolutely. FSX is highly CPU dependent so overclocking is almost a necessity if you want to run HD scenery and add-on aircraft together along with weather apps, etc..

 

I'm currently at a modest 4.3Ghz and have good results but could go higher if needed.

 

Good luck. BTW, all good advice above.

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Overclock - Overclock - Overclock ------------ difference is day and night and I wouldn't push it past 4.6 ghz

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Thanks guys. Will try all this. Tried reading some over clocking guides, will attempt later. Just don't want to over heat anything as my case isn't exactly a high quality one

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