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#1
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very low 3D performance for hardware
I've been noticing that my system gets poor 3D performance compared to
the systems of others and havent been able to lick the problem just yet. I have am AMD 2800XP, KT400 mobo, 1gig corsair ram, maxtor 7800rpm 120gig drive, ati radeon 9800 pro, winxpsp2, etc. Everything is in tip-top shape with latest drivers and stable as a windows system can get. I ran a popular benchmark and after comparing my score of 27,000 to others I'm getting radeon 9600 performance out of an 9800 card. Even when overclocked I still do not get anywhere near the scores most 9800pro owners get; they usually around 40,000 while I'm stuck at 27,000. In real world gaming my computer lags behind others when it comes to graphic settings compared to someone with a simiiar system. In the BIOS I have AGP as the primary video interface, 256 meg arpeture, and everything looks good to me in there. Perhaps I should knock it down to 128 as the card only has 128 megs of video ram? Is there something else that could be causing this poor score? The RAM I have is pretty cheap and the one 512 module is only rated at 100mhz but works fine at 133. The mobo is stable but I do know of one issue with AGP. At 8xAGP the 3D video apps crash almost instatly. I have no problems at 4x. I have the latest VIA drivers for the AGP interface. I also have the latest ATI drivers. My understanding is that no card could ever make use the 8x interface so using 4x shouldnt affect performance. This is a homebuilt system using an MSI kt400 board which has a lot of performance options. I'm guessing either im missing something obvious or the agp chipset on this might be messed up, although it is not giving me any errors unless I run it at 8x. Anything else I might be missing? I'd appreciate any suggestions. Mike245 |
#2
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very low 3D performance for hardware
"Mike245" wrote in message ... I've been noticing that my system gets poor 3D performance compared to the systems of others and havent been able to lick the problem just yet. I have am AMD 2800XP, KT400 mobo, 1gig corsair ram, maxtor 7800rpm 120gig drive, ati radeon 9800 pro, winxpsp2, etc. Everything is in tip-top shape with latest drivers and stable as a windows system can get. I ran a popular benchmark and after comparing my score of 27,000 to others I'm getting radeon 9600 performance out of an 9800 card. Even when overclocked I still do not get anywhere near the scores most 9800pro owners get; they usually around 40,000 while I'm stuck at 27,000. In real world gaming my computer lags behind others when it comes to graphic settings compared to someone with a simiiar system. In the BIOS I have AGP as the primary video interface, 256 meg arpeture, and everything looks good to me in there. Perhaps I should knock it down to 128 as the card only has 128 megs of video ram? 256 is too high, I believe the aperture should be set to no more than the installed ram amount Is there something else that could be causing this poor score? The RAM I have is pretty cheap and the one 512 module is only rated at 100mhz but works fine at 133. The mobo is stable but I do know of one issue with AGP. At 8xAGP the 3D video apps crash almost instatly. I have no problems at 4x. I have the latest VIA drivers for the AGP interface. I also have the latest ATI drivers. My understanding is that no card could ever make use the 8x interface so using 4x shouldnt affect performance. This is a homebuilt system using an MSI kt400 board which has a lot of performance options. I'll bet that no one else that your comparing your system to, is using a MSI board. I'm guessing either im missing something obvious or the agp chipset on this might be messed up, although it is not giving me any errors unless I run it at 8x. Are the other rigs NOT using 8x also? Anything else I might be missing? I'd appreciate any suggestions. Mike245 |
#3
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very low 3D performance for hardware
"JAD" wrote in message ... "Mike245" wrote in message ... I've been noticing that my system gets poor 3D performance compared to the systems of others and havent been able to lick the problem just yet. I have am AMD 2800XP, KT400 mobo, 1gig corsair ram, maxtor 7800rpm 120gig drive, ati radeon 9800 pro, winxpsp2, etc. Everything is in tip-top shape with latest drivers and stable as a windows system can get. I ran a popular benchmark and after comparing my score of 27,000 to others I'm getting radeon 9600 performance out of an 9800 card. Even when overclocked I still do not get anywhere near the scores most 9800pro owners get; they usually around 40,000 while I'm stuck at 27,000. In real world gaming my computer lags behind others when it comes to graphic settings compared to someone with a simiiar system. In the BIOS I have AGP as the primary video interface, 256 meg arpeture, and everything looks good to me in there. Perhaps I should knock it down to 128 as the card only has 128 megs of video ram? 256 is too high, I believe the aperture should be set to no more than the installed ram amount Is there something else that could be causing this poor score? The RAM I have is pretty cheap and the one 512 module is only rated at 100mhz but works fine at 133. The mobo is stable but I do know of one issue with AGP. At 8xAGP the 3D video apps crash almost instatly. I have no problems at 4x. I have the latest VIA drivers for the AGP interface. I also have the latest ATI drivers. My understanding is that no card could ever make use the 8x interface so using 4x shouldnt affect performance. This is a homebuilt system using an MSI kt400 board which has a lot of performance options. I'll bet that no one else that your comparing your system to, is using a MSI board. I'm guessing either im missing something obvious or the agp chipset on this might be messed up, although it is not giving me any errors unless I run it at 8x. Are the other rigs NOT using 8x also? Anything else I might be missing? I'd appreciate any suggestions. Mike245 Does BIOS ID the CPU correctly? For that CPU, FSB should be 166 with DDR333 for max performance. What PSU? Make and rating? The problem at 8x AGP may well be because your memory is overclocked. Mike. |
#4
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very low 3D performance for hardware
You have to turn Fast Writes off. That is what is causing the lag.
Go in to SmartGart, and set AGP to 4x and FastWrites OFF, and do it twice. The system will autodetect and turn FW back ON. The 2nd time it will hold. Also set ram to 100. It won't have much effect and you need to time ram closely. Try it anyway, and run your bench mark on both settings to check it. johns |
#5
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very low 3D performance for hardware
Do you have v-sync enabled? Are you using Anti aliasing? Those high numbers
you see are run without eye cansy turned on. "Mike245" wrote in message ... I've been noticing that my system gets poor 3D performance compared to the systems of others and havent been able to lick the problem just yet. I have am AMD 2800XP, KT400 mobo, 1gig corsair ram, maxtor 7800rpm 120gig drive, ati radeon 9800 pro, winxpsp2, etc. Everything is in tip-top shape with latest drivers and stable as a windows system can get. I ran a popular benchmark and after comparing my score of 27,000 to others I'm getting radeon 9600 performance out of an 9800 card. Even when overclocked I still do not get anywhere near the scores most 9800pro owners get; they usually around 40,000 while I'm stuck at 27,000. In real world gaming my computer lags behind others when it comes to graphic settings compared to someone with a simiiar system. In the BIOS I have AGP as the primary video interface, 256 meg arpeture, and everything looks good to me in there. Perhaps I should knock it down to 128 as the card only has 128 megs of video ram? Is there something else that could be causing this poor score? The RAM I have is pretty cheap and the one 512 module is only rated at 100mhz but works fine at 133. The mobo is stable but I do know of one issue with AGP. At 8xAGP the 3D video apps crash almost instatly. I have no problems at 4x. I have the latest VIA drivers for the AGP interface. I also have the latest ATI drivers. My understanding is that no card could ever make use the 8x interface so using 4x shouldnt affect performance. This is a homebuilt system using an MSI kt400 board which has a lot of performance options. I'm guessing either im missing something obvious or the agp chipset on this might be messed up, although it is not giving me any errors unless I run it at 8x. Anything else I might be missing? I'd appreciate any suggestions. Mike245 |
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