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BF Vietnam Freezes; EA says IRQ Conflict???

Discussion in 'Hardware' started by Art Vandalay, Apr 13, 2004.

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  1. Art Vandalay

    Art Vandalay Thread Starter

    Apr 13, 2004
    This ones a doozy. I have been having problems with my comp freezing when running EA Games "Battlefield Vietnam". After adjusting the video cache and sound buffer files I still experienced freezing. I updated WinXP w/ SP1a, Updated my video Driver from Nvidia and Updated my VIA drivers. EA Support pointed out that the problem could be due to an IRQ Conflict between my Video Card & Onboard Sound sharing the same IRQ. NOTE: THIS IS THE ONLY APPLICATION THAT I'VE NOTICED PROBLEMS WORTH MENTION. My specs are:

    994 MHZ AMD Thunderbird
    1G SDRamm
    WINXP (+SP1a)
    NVIDIA GeForce FX 5200 U (AGP)
    Onboard Sound (VIA AC'97)
    DirectX 9.0

    XP Shows The following IRQ Assignments:
    IRQ 11 Microsoft ACPI-Compliant System OK
    IRQ 11 NVIDIA GeForce FX 5200 Ultra OK
    IRQ 11 VIA Rev 5 or later USB Universal Host OK
    IRQ 11 VIA REv 5 or later USB Universal Host OK
    IRQ 11 NETGEAR FA311 Fast Ethernet Adapter OK
    IRQ 11 Primary IDE Channel OK
    IRQ 14 Primary IDE Channel OK
    IRQ 15 Secondary IDE Channel OK
    IRQ 0 System Timer OK
    IRQ 8 System CMOS/real time clock OK
    IRQ 13 Numberic data processor OK
    IRQ 6 Standard Floppy disk controller OK
    IRQ 4 Comm Port (COM1) OK
    IRQ 3 Comm Port (COM2) OK
    IRQ 1 Keyboard

    I've read that Video cards should have their own IRQ -BUT- I've also read that its perfectly normal for IRQ Sharing (steering?) in XP. (?) Other posts mention that I WOULD NOT want to manually assign IRQs in BIOS because the system could be unstable. One person suggested that is disable the COM1 & COM2 ports in hopes that the AGP slot would receive one of the unused IRQs (3 or 4)- but it didn't sound like it was guaranteed. I'm at a complete loss as to how to procede. I would like to get this game running but I don't think it would be worth taking extreme measures to do so. I also don't understand why if there is a IRQ conflict it only shows up in BFV (and XP doesnt detect a conflict). Any help would be greatly appreciated. Thanks.
  2. Art Vandalay

    Art Vandalay Thread Starter

    Apr 13, 2004
    Just got a reply from the Video Card Manufacturer:

    "Not likely an IRQ issue with windows XP. What I could suggest is Make
    sure you have a Minimum of 250 watts of power output rating on your
    power supply. Make sure the power is properly connected to the card.
    Disconnect it and make sure all 4 pins in that power cable are making
    proper contact. Make sure you are running the latest motherboard
    chipset drivers, also make sure you have Direct X 9.0b, make sure you
    are running forceware driver version 56.72. Make sure all your bios
    settings are correct especially the one that says where the video boots
    or is used from. It should say AgP for this card not pci. We find that
    this happens when the bios is looking for the card in the pci bus first
    then checks the agp bus seconds later and finds the video. "

    I'll have to check the power plug & bios thing they mentioned but everything else is current. Makes me think that EA is telling people they have IRQ conflicts to stall customers out for a patch. Any thoughts?
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