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jerryuscg

Large Address Aware 4 Gig patch... better instructions ?

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Last week someone put up the link for the "Large Address Aware" 4G patch to fix the FS2004 OOM errors. Luckly my newest flight sim computer from Jetline Computers has this patch on it and it WORKS ! I'm thinking about the future when I buy my next flight sim computer. I do not know what Jetline did to install this patch and I want to know for myself. The "instructions" for the installation of the 4 G patch is too sparse for me to understand. Will someone who knows how to install this patch for FS2004 please give me specific instructions on how to "install" the patch to FS2004. Thanks jerrycwo4

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There is an executable that you download and run. You point it to your fs9.exe and run it. It will add the flag for you and backup your old file.It really is that simple :)-Paul

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"You point it to your fs9.exe " I guess that this is the part that I don't understand? Not ever installing this patch I dont know how to do this. Please explain better. Thanks jerrycwo4

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Hey Jerry,Same concept as uploading an attachment to an email... Download this file and run it. http://www.ntcore.com/4gb_patch.php it will open the windows explorer window as though you were browsing for a file to upload to an email. Browse to your fs9.exe file and select it and hit ok. The 4GB Patch program will do the rest and you are done. All you have to do is browse to your fs9.exe in your root FS9 directory highlight it and hit ok.Very easy.-Paul

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Thanks Paul. That's what I needed. This patch is too important to "guess" how to do it. Now that this patch is installed, (I didn't install it; a person at Jetline Computers did) what did it change to my computer so that I can look and "prove" to myself that this patch has been installed? What's differant on my computer that I can see after the patch has been installed? Does it show changes to a file or folder or does a date or something else change? Thanks jerrycwo4

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Thanks Paul. That's what I needed. This patch is too important to "guess" how to do it. Now that this patch is installed, (I didn't install it; a person at Jetline Computers did) what did it change to my computer so that I can look and "prove" to myself that this patch has been installed? What's differant on my computer that I can see after the patch has been installed? Does it show changes to a file or folder or does a date or something else change? Thanks jerrycwo4
What you will find is FS9 will not crash with OOM errors anymore, period. No matter the load you place on FS9 it will run stable. On my system FS9 is a heck of allot smoother with loading updated weather and textures as I fly along. I can now fly from KJFK to Heathrow or Gatwick without an OOM issue on short final. This wasn't possible with XP or 7 before the patch. I'm glade I don't have to install that dreaded /3gig switch in the boot.ini file as that never worked for me. Under 7 just making 'FS9.exe' Large Address Aware and that's it. I don't know what smoking gun your looking for, all this is pretty straight forward... wink.png

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Thanks Paul. That's what I needed. This patch is too important to "guess" how to do it. Now that this patch is installed, (I didn't install it; a person at Jetline Computers did) what did it change to my computer so that I can look and "prove" to myself that this patch has been installed? What's differant on my computer that I can see after the patch has been installed? Does it show changes to a file or folder or does a date or something else change? Thanks jerrycwo4
You might see the 'last modified' date change... The 'patch' only changes 1 bit in the file from 0 to 1; there is no change in file size. DJ

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Just patched my FS9.exe. Will I have any benefits with only 4 GB RAM?
Yep... I only have 4gig's RAM and it's a big difference especially when flying into the New York area....

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forgive my ignorance, but is this patch only for 64 bit machines?
No, it is also of use on 32bit systems but needs a little additional work to be useful - in WinXP the boot.ini needs modification and in Win7/Vista you may need a bit more. DJ

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forgive my ignorance, but is this patch only for 64 bit machines?
The short answer is 'YES' this should only be tried on 64Bit machines... To better explain this I wouldn't say this works on 32Bit machines because this truly is a crap shoot as to how much video RAM and machine RAM your computer has (either way mileage may vary where as what we're saying here on a 64Bit machine is a guarantee for everyone). In the confines of 32Bit the less memory you have the better because the OS will not use the combined memory of your onboard RAM with your video RAM without swapping things and don't think about a memory upgrade because the limit is 4gigs but you never see 4gigs in use for your programs. The benefit of making the FS9 'Large Address Aware' on a 32Bit machine is negligible at best with some users having more of a problem than before. From my experience the 'Boot.ini' mod 3gig patch combined with what we've mentioned here in XP 32Bit is a 'NO GO' period. It's one of those tweaks that some say worked but FS9 ran weird on my machine after trying it to a point I removed the mod. It wasn't until I got Window 7 64Bit that I truly saw what my machine was capable of. If you have a 32Bit OS the best thing you can do to get to the next level of performance with FS9 (or FSX) is to go 64Bit, there's no way around it...

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Well, after I patched my FS9.exe with the 4GB patch, FS didn´t respond when loading a flight. Reverted back to the old one and everything is now all right again.

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Well, after I patched my FS9.exe with the 4GB patch, FS didn´t respond when loading a flight. Reverted back to the old one and everything is now all right again.
I would try and see what's going on because your one out of 99% that have had success with this in Windows 7 64Bit including myself...

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HiSmall note.If You have serious problem with fs9 like memory leak or equivalent, the 4gb patch will only delayed CTD.It won't crash with short flight (probably) but at the end at long flight You will get CTD.So the goal is to solve possible mem leak problem.After applying 4gb patch (before on XP64 bit) I solve the problem with OOM message but I get g3d.dll crash.On new rig with W7 64 bit I didn't apply 4gb patch and I don't have any kind of CTD (hopefully) because there is no mem leak. I'm thinking what to put in fs9 ;-)Regards Edin

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I would try and see what's going on because your one out of 99% that have had success with this in Windows 7 64Bit including myself...
Would do you mean with "try and see"? I tried several times to start a flight with different sceneries and planes but it got stuck in the loading screen. Windows showed the famouse blue circle and it didn´t load anything. Checked it via the taskmanager and it showed me that FS9 doesn´t respond any more. Used the old one and it worked as a charm.Btw. yesterday was the first time I ever saw FS9 using more that 1 GB RAM.

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Btw. yesterday was the first time I ever saw FS9 using more that 1 GB RAM.
You must not fly into KEWR (Imaginsim's version) or KLGA that much. Dusk flying into NYC with full AI and add-on scenery takes allot of memory. OOM's flying into this area are a thing of the past for me now. Anyway what I meant with 'try and see' is you have something going on on your machine that's unique. To settle for having FS9 run in a 64Bit environment only able to access 2gigs of ram is crazy. You need to find out why FS9 is not loading up when you apply the patch so you can fully take advantage of your hardware. Now if you want to stay stuck at 2gigs of resources like you had in XP 32Bit I won't argue with you, to each his own as they say...

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The short answer is 'YES' this should only be tried on 64Bit machines... To better explain this I wouldn't say this works on 32Bit machines because this truly is a crap shoot as to how much video RAM and machine RAM your computer has (either way mileage may vary where as what we're saying here on a 64Bit machine is a guarantee for everyone). In the confines of 32Bit the less memory you have the better because the OS will not use the combined memory of your onboard RAM with your video RAM without swapping things and don't think about a memory upgrade because the limit is 4gigs but you never see 4gigs in use for your programs. The benefit of making the FS9 'Large Address Aware' on a 32Bit machine is negligible at best with some users having more of a problem than before. From my experience the 'Boot.ini' mod 3gig patch combined with what we've mentioned here in XP 32Bit is a 'NO GO' period. It's one of those tweaks that some say worked but FS9 ran weird on my machine after trying it to a point I removed the mod. It wasn't until I got Window 7 64Bit that I truly saw what my machine was capable of. If you have a 32Bit OS the best thing you can do to get to the next level of performance with FS9 (or FSX) is to go 64Bit, there's no way around it...
Thanks for you answer. I'll leave well enough alone. :-)

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Even after all of this "fixing" I'm still a little afraid to try to reinstall Ultimate Terrain (UT) USA. I've had it before and I think that is were my 1st OOM crash occured. Are any of you guys above in this post flying FS2004 with UT USA installed and NOT having any OOM problems ? You opinion please. Even after applying the 4 gig patch to my FS2004 Windows 7 (64 bit)computer should I still try to find and fix my memory leaks that I think that I still have?(even tho I am not having OOM problems at this time). What do I look for besides "empy" scenery folders? Thanks jerrycwo4

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If you have a memory leak that's an issue that has to be researched and found as the leak with enough time will affect any machine no matter how much ram you have. As far as Flight1's Ultimate Terrain is concerned I am almost certain your OOM problems are solved. If your not having any issue now I'm almost certain you won't have any issue installing this one add-on. smile.png

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I'm sorry guys but my last question did not get answered. Besides for looking for empty scenery files, what else causes OOM's? Thanks jerrycwo4

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I'm sorry guys but my last question did not get answered. Besides for looking for empty scenery files, what else causes OOM's? Thanks jerrycwo4
Jerry, 1. Empty scenery files aren't the problem - empty texture folders paired with scenery folders are.2. OOM's are generally caused by running too many highly complex add-ons in a very limited area.3. It is possible, but not easy, to get OOM's with a patched FS9.1 under Win7 x64 - the folks who get them are generally guilty of condition 2., above. The bottom line is that you only need to worry about them if they happen. In the meantime, just relax and enjoy. You will not get an OOM with UT USA, Europe, or whatever with the system you have set up. DJ

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