Simviation Forum - Overlooked performance tweak?

Dec 18^th, 2004 at 5:20am

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I got to wondering about AGP aperature settings and whether or not it could increase performace especially with a lower grade grapics card, so I went surfing only to be more confused than I already was Wink

I have a Geforce FX5200 (128Mb)

Now upon reading for hours on end it seems to be a he says she says situation.
Some recommend having your AGP Aperature setting at half your system RAM, others say half your video card RAM.

And most say that it should be set at 128 MB for best performance.

Mine is currently set at 64 MB which would be half my video card RAM but have read and been told that with 1Gig of system RAM I should set it at 128Mb anymore would be pointless but a gain in performance should be noticable, but if I wanted could go as far as 256Mb.

My question is should I try it at 128Mb or leave well enough alone at 64Mb.
Has anyone ever messed with this setting and what if so happened?

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Reply #1 - Dec 18^th, 2004 at 7:45am

Gixer Offline
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Mine is set to how much ram I have on my vid card, so 256 in my case. Yours set to 128.

AMD64 3500+ @ 2200MHz 400FSB&&MSI K8N Neo 2 mobo nForce3 chipset&&1gig Corsair XMS PC3200 timings @ 10.2.2.2 &&XFX 6800 Ultra @ 450/1200&&80gig HDD&&Loadsa fans!!!

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Reply #2 - Dec 18^th, 2004 at 9:12am

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Thanks Gixer that is what I shall do.

Can I expect any big improvement or will it be subtile if any?

Amazing the things I think about while trying to sleep, maybe there is a computer wiz somewhere deep inside me I have yet to discover Grin

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Reply #3 - Dec 18^th, 2004 at 9:27am

Gixer Offline
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I didn't notice any, I tried different amounts. Was at 512 at one point but lost nothing going to 256.

AMD64 3500+ @ 2200MHz 400FSB&&MSI K8N Neo 2 mobo nForce3 chipset&&1gig Corsair XMS PC3200 timings @ 10.2.2.2 &&XFX 6800 Ultra @ 450/1200&&80gig HDD&&Loadsa fans!!!

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Reply #4 - Dec 18^th, 2004 at 10:02am

Jared Offline
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yep, no noticeable changes here on my end either... Sad

tried it about a year ago to no avail...oh well, perhaps there is another tweak out there for us. .

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Reply #5 - Dec 18^th, 2004 at 5:53pm

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Oh my GOD!!!!

Set it to 128MB and now get 1100 FPS at max settings in full technocolor 3D!!!!!!

NOT! Grin

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Reply #6 - Dec 18^th, 2004 at 6:06pm

bm Offline
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HMFFANST

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Reply #7 - Dec 18^th, 2004 at 6:37pm

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Quote:

HMFFANST

???

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Reply #8 - Dec 18^th, 2004 at 6:59pm

chomp_rock Offline
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Read up on what AGP aperture is here: http://www.ocfaq.com/article.php/overclocking/vidcard/43

Mine is set to 512mb (half of my system RAM size) but I did not notice a difference between 128Mb, 256Mb and 512Mb (my VGA has 256Mb of RAM).

AMD Athlon 64 3700+&&GeForce FX5200 256Mb&&1GB DDR400 DC&&Seagate 500Gb SATA-300 HDD&&Windows XP Professional X64 Edition&&&&That's right, I'm now using an AMD! I decided to give them another try and they kicked the pants off of my P4 3.4!

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Reply #9 - Dec 19^th, 2004 at 3:40am

the_autopilot Offline
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128 is reallly all you need.

Most games won't even use it so performence increases are non-existant. The only game thats ever went into my system mem is doom3 set only to ultra high mode. And that soon stopped when i correctly configured the com_hunkmegs cvar.

Link to sig:&&Click here&&(Cannot post signature here due to current forum restrications on linked images).

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Reply #10 - Dec 19^th, 2004 at 6:17am

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Well after setting mine to 128Mb I did notice some improvement with my feeble FX 5200, most of all stutters were gone, in PF I set up a quick combat with as many baddies I could and started to fly and to my surprise I actually shot one Wink

In FS9 I have recently started to have scenery loading problems, a split second pause when changeing view and then the scenery catching up, nothing to any major extreme I thought it had to do with me going the route of testing new video drivers but not any more, no pauses at all Wink

Although I will say that the 61:11 drivers are still the best for the 5200 card

Don't know how much the improvement even though minor was becasue of the aperature setting but there was some.

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