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IRQ conflict with Sound and Video card
Hardware Posted by Hank Whitehead on Friday January 03, @06:25AM
from the dept.
Sound Card and Video card use the same IRQ (11). Causes sound to cut out, and pop sometimes.
I have a AI61 mainboard, Athlon 700, 32MB geForce MX video, Audigy card. Audigy and video card both get IRQ 11 assigned. My sound cuts out and pops...it seems only when graphic things are happening. From what I have been reading, it may be because they share IRQ. How can I correct this? I tried removing and reinstalling cards, but they get the same assignment every time. I tried flashing a new BIOS. No help.

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    Re: IRQ conflict with Sound and Video card
    by Jason on Friday January 03, @02:02PM
    Hank,

    I believe your're correct in stating that shared IRQ's can cause this problem (and others). As a rule shared IRQ's are undesirable.

    I believe that normally PCI IRQ's are uniquely and dynamically assigned in the BIOS (on a per slot basis) unless otherwise "wired down" with a manual assignment in the BIOS.

    Have a look in the system BIOS, typically under Advanced/PCI assignments (or something similar). Most systems will allow you to access the system BIOS by pressing the DEL key or F2 key at startup. Look for a BIOS startup message that displays which one works for your system.

    Good luck and post a reply if this solves your problem.

    Cheers,
    Jason
    [ Add a Reply to this ]
    • Re: IRQ conflict with Sound and Video card
      by Hank on Monday January 06, @04:25PM
      Thanks for the help.
      I did a lot of message board reading. I know it sounds too easy but I changed the PCI slot of the Audigy card. It seemed to shuffle the IRQs again, leaving the Audigy on IRQ alone............but, it still cuts out..

      Any additional guidance would help.
      [ Reply to this ]
      • Re: IRQ conflict with Sound and Video card
        by ximo on Friday January 24, @02:14AM
        when you starts your FBSD at the prompt on the console before the kernel be loaded write -cv or something like this, there is a message warning the options, usually this is well explained in the FAQ, BOOK etc you should to try to avoid your conflicts in the menu that follows the action above mentioned configuring what causes the colision and sorry it's a bit long to explain by e-mail read more about it please. :) Ximo
        [ Reply to this ]
    Re: IRQ conflict with Sound and Video card
    by Bob on Thursday June 05, @05:28PM
    I have the same problem, my sound and video card are sharing IRQ5, i dont know how to fix it, when i play music, and run applications, i get a popping sound, and cutting out. HELP!!
    [ Add a Reply to this ]
    Re: IRQ conflict with Sound and Video card
    by Malin O on Sunday October 05, @07:59AM
    Hi! My sounds pops too sometimes. It for example pops when im writing messages in MSN messenger while winamp is running! How can i look if they are sharing the same IRQ? I'm not very good at computers, so please try to explain as simple as possible! HOpe someone can help me.. (and sorry for my english)
    [ Add a Reply to this ]
    • Re: IRQ conflict with Sound and Video card
      by Ray on Monday October 27, @08:25AM
      To check a list of all Hardware IRQ assignments, do the following: 1. Click on Start and then click Run. 2. In the Open box, type "msinfo32" without the quotes and then click Ok. 3. In the left portion of the screen, click on the plus sign next to Hardware Resources. 4. Choose the IRQs branch, and a listing of devices and their IRQ usage will appear. This is how to check the IRQ assignments. Should work for Windows 98, ME, 2000, and XP. Changing them is another story :)
      [ Reply to this ]
      • Re: IRQ conflict with Sound and Video card
        by charlie pelletier on Sunday December 07, @03:45PM
        IRQs CAN be changed in Windows but it can be a royal pain to do so. I suggest to any and all who dare to do this pray long and hard for patience before attempting the changes. It is not quite as bad as dealing with the registry but it is trying.
        [ Reply to this ]
    Re: IRQ conflict with Sound and Video card
    by Paul Ackroyd on Thursday January 15, @05:36AM
    I had the same IRQ11 conflict with an Augigy 2 and a GeForce 4 Ti 4200 under Win98SE. Go into the BIOS and disable ACPI. That removed the conflict for me. Be sure that the sound card is not in the highest priority PCI slot as that slot often shares an IRQ with the AGP slot (so I am told).
    [ Add a Reply to this ]
    • Re: IRQ conflict with Sound and Video card
      by Yan Baribeault on Wednesday July 12, @07:57PM
      I have an Audigy 2, with a PCI-Express All-In-Wonder, and my HD and EAX cababilities are not working in any games that support it. Guess what, they both share IRQ 16. You mentioned it shared with AGP, so it seems that haven't figured it out with PCI-E either.
      [ Reply to this ]

     
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