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ATI 9200SE w/ DVI out: slow PC performance
Hi everyone,
I'm having an issue on the following configuration: Soltek SL-B8E-F motherboard, Asus ATI Radeon 9200SE graphic card, Pentium 4 processor, Windows XP Professional SP1. When installing Windows XP from scratch, everything works perfectly as long as I'm using the analog video output of the graphic card. At this point, if I connect the monitor to the DVI output, when I turn the PC back on, it slows down to "almost unusable". Boot takes forever (2 minutes instead of 20 seconds), sound from the on-board AC'97 card stutters and the mouse pointer stutters when there's heavy hard disk access, and shutdown is also very slow. It looks like DMA mode got disabled, but it actually is enabled in the device manager. There are no conflicts whatsoever in the device manager, and I have all the latest drivers installed. There are no particular peripherals connected to the PC, everything is standard. The problem can be reproduced easily: format the PC, re-install Windows XP, everything works. Then connect the monitor (an AOC LM919) to the DVI output, and the problem starts again. I have yet to try installing Windows XP with the monitor already connected to the DVI output, but that's not the point. I really don't understand why changing the port on the graphic card slows down an entire system so much. No, there are no exotic programs installed, no antivirus, no anything. Removing the ATI drivers doesn't help. Even removing the ATI card entirely (and thus using the Intel 865G chipset onboard graphic card) doesn't help at this point: the system remains slow, until I reinstall Windows. A "system repair" or "restore" doesn't help either. It wants to be reinstalled completely. I haven't touched anything in the BIOS. Re-installing Windows without touching the BIOS fixes the problem. The motherboard BIOS has been upgraded to the latest version (1.4X). I have already changed the AGP aperture from 64 to 128 MB (and back again). The system has 512 MB RAM. This is not an issue about poor graphic performance. I only need a system having a decent speed to work with. When this happens, I have a Pentium 4 2.6 GHz performing like a 486.. I have never seen anything like that and I'm clueless. Do you have any suggestions? Thank you very much. -Manuel -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
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