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Dual Output Video Card vs Single PCI and AGP Cards ??

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Hi all...Currently I have a dual output Radeon 9250 128 MB DDR running 2 monitors on my King Air sim. One monitor for scenery and one for gauges. The scenery is hooked to the VGA out connector and the gauges to the DVI out. The problem I have is in full screen modes I can't get over 10 FPS !!! (My FS2004 settings are all set to Medium settings). In window mode I stay around 10-15 FPS...Would I get better FPS and smoother operation by doing one of the following:1)Use the Radeon 9250 to drive one monitor ....say the scenery and add a single ouput AGP graphics card for the second monitor ?2) Remove the Radeon dual ouput card and replace with a single PCI and AGP graphics card to run the 2 monitors ?3) Any others ???My PC is 2.4Ghz, with 1 GB RAM so I think I have enough horsepower to be able to get smooth scenery in FS2004Any suggestions would be really helpful...all the best....JB

Hi JBI Use a Radeon 9800 Pro 128MB AGP to run scenery and an FMC CDU on my 767 simulator using LDS767. Up until recently I had two separate PCI Nvidia TNT2 cards to run my main instrument panels over two monitors.My frame rates are quite reasonable (15 to 30 FPS) with occasional drops in heavy scenery or weather situations.One of the PCI cards failed so I replaced both pci cards with a Radeon 9250 dual output, hoping for perhaps better performance.This was not the case....very little difference!In my opinion the 9250 is not all that suitable for a main FS card (not really designed around gaming), so my suggestion would be a higher end AGP card (assuming your 9250 is PCI) and use your 9250 to drive two other monitors for your panel and something else (GPS, Squawkbox etc)or just your one panel.If you can't afford it just get a another card to run your instrument panel and free up the 9250 to handle FS....that's more than enough for the 9250.Hope this helps

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Thanks Ian...I'll give it a go this weekend and see what happens....Regards....JB

I'm waiting for the release of the new Matrox Triple Head, not a VGA but an external box for sending the vga signal to 3 monitors instead the one.Also there is a Dual head version.Check here : http://www.matrox.com/graphics/offhome/gxm.cfmregardsEddie ArmaosAthens-Greece

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Hi all:I replaced my graphics cards and now have 1-AGP FX5200 (Outside View) and 1- PCI FX5200 (Panel View)...I amd getting good FPS rates in windowed and non-windowed mode.The problem I have is I am now getting a audio and video stutter evry 5 secs and its a pain in the rear !!!Any ideas what might be going on ?My system is 2.4 ghz PC, 1GB RAMMany thanks...JB

HI JBYou must disable hardware acceleration on the PCI card running your panel view....go to Display Properties....Advanced....Performance....and set hardware acceleration button to far left. I'm pretty sure this will cure your problem.

Hi JBAlso disable acceleration on your sound card in Direct X

I agree with JB.John

John
My first SIM was a Link Trainer. My last was a T-6 II
AMD Ryzen 7 7800 X3D@ 5.1 GHz, 32 GB DDR5 RAM - 3 M2 Drives. 1 TB Boot, 2 TB Sim drive, 2 TB Add-on Drive, 6TB Backup data hard drive
RTX 3080 10GB VRAM, Meta Quest 3 VR Headset

What is the Hardware Sound Acceleration and where is used or not ?In a single VGA system, with one or dual outputs, i will get better fps if this sound's acceleration level is left ?thanksEddie ArmaosAthens-Greece

There are no real definite answers. The reason behind all this crap is the PC architecture, hardware interrupts, DMA channels etc - sometimes two devices that use them (video cards, sound cards, ethernet, harddisks, etc) might share one and this could cause some stutters on hardware-intensive applications like games.So, "make it so and so" is not the correct answer, but checking out the hardware acceleration settings on sound, video and such drivers for different cards and devices are places to check, try and see if they make a difference.My PC crashes if I have hardware acceleration on in the matrox PCI card and I move windows in its screen (my gauge TFT monitor) but it works okay if hardware acceleration is disabled. Then again, it works okay on some other hardware combination. It's totally dependant on your setup, so you need to try it yourself, if you have problems.//Tuomas

Thanks Tuomas,no problems at the moment, so i will follow the rule: "If it works don't try to fix it"!regardsEddie ArmaosAthens-Greece

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