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  1. #1
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    Z490-E Gaming and Xonar Essence STX sound card

    I have a Z490-E Gaming board and my sound card (Essence STX) stops working when updating the BIOS to 2003/2004. Works perfectly fine when I go back to 1003. Anyone else experiencing issues with sound cards with these newer bios versions?

  2. #2
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    Try to disable VT-d [Advanced\System Agent (SA) Configuration\"VT-d"],
    As VT-d is enabled, the BIOS STXII of XII Hero 2002/2004 will not work.
    2002/2004 version BIOS,
    Vt-d is enabled, Iommu does not seem to be disabled normally (even if I choose to disable IOMMU, I still receive IOMMU error Log)
    Last edited by hsm06; 01-17-2021 at 04:23 PM.

  3. #3
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    Quote Originally Posted by hsm06 View Post
    Try to disable VT-d [Advanced\System Agent (SA) Configuration\"VT-d"],
    As VT-d is enabled, the BIOS STXII of XII Hero 2002/2004 will not work.
    2002/2004 version BIOS,
    Vt-d is enabled, Iommu does not seem to be disabled normally (even if I choose to disable IOMMU, I still receive IOMMU error Log)
    Damn, that was it. So annoying!

    Thanks for your quick reply and help!

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