Disable on-board sound (to install Creative SoundBlaster board)

Discussion in 'Asus' started by news.charter.net, Aug 2, 2004.

  1. I'm gettin ready to install an Audigy 2ZS in my P4b533e mobo and need to
    disable the onboard sound. I can't find any BIOS settings to do this. How is
    it acconplished?
    news.charter.net, Aug 2, 2004
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  2. news.charter.net

    Bob Knowlden Guest


    Page 4-25, Onboard AC97 Audio Controller. (Choose to disable it.)

    (If you don't wish to download the manual, it's under the Advanced settings
    area, I/O Device Configuration at the bottom left of the screen.)


    Bob Knowlden

    Address may be altered. Replace nkbob with bobkn.
    Bob Knowlden, Aug 2, 2004
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  3. Thanks Bob for pointing me a level deeper in the BIOS setup menus.

    Now that I've looked at the I/O Device Configuration menu (where "Onboard
    AC97 Audio Controller" can be disabled), I also find a PCI Configuration
    menu where "Onboard PCI Audio Controller" can be disabled.

    Should I disable both or only one of these "audio" type settings?
    news.charter.net, Aug 2, 2004
  4. news.charter.net

    Bob Knowlden Guest

    I'd start with the I/O config, and see if the PCI controller is
    automatically grayed out when you disbale the AC97 device. Of course, for
    all I know, it'd work best the other way 'round.

    (My own board is a P4P800. I don't recall such a setting in the PCI section,
    and the onboard sound and NIC are under "integrated devices", if memory
    serves. I'm using an Audigy 2 rather than the onboard audio. I believe that
    it sounds better, besides saving some CPU overhead.)

    Bob Kn.

    Bob Knowlden, Aug 2, 2004
  5. news.charter.net

    Paul Guest

    That BIOS is a little strange looking.

    The CMI8738 is optional, so would exist on an Audio version of the
    board. If the CMI8738 isn't on the board, then you wouldn't have
    to worry about it. If it is on the board, disable it.

    The Southbridge has an AC97 interface (the AClink), but without a
    CODEC for it to talk to, or room for some kind of riser card with
    an AC97 or MC97 interface, I don't see the point of being able to
    enable/disable the AC97. Disabling it shouldn't hurt anything.

    Paul, Aug 2, 2004
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