Integrated graphic card and AGP/PCI

Posted on 2006-05-31
Last Modified: 2012-05-05
Hi all,

If I installed an AGP/PCI graphic card, I know that CMOS will automatically disable the function on the integrated graphic card.

Is there anyway to go around it if I wanted utilise both the integrated graphic card and the add-on AGP/PCI graphic card to switch between 2 monitors?
Question by:mysticaljoey
    LVL 30

    Expert Comment

    when you get both drivers loade... just DISABLE the video you don't want to use in DEVICE MANAGER

    toggle as necessary
    LVL 95

    Expert Comment

    by:Lee W, MVP
    Some systems permit the onboard card to work when another card is installed... some don't.  We might be able to help further if we knew exactly what brand/model system you have (or motherboard), but even then, there's no certainty we will.  If you need multiple monitors, I'd suggest getting a dual head card or add a PCI graphics adapter in addition to the AGP adapter.
    LVL 87

    Expert Comment

    I agree with leew, but just want to add that usually a mainboard with builtin grafik won't allow for a 2nd card to work concurrently.
    LVL 4

    Expert Comment

    Depends on the motherboard model. Read the board manual (sometime it tells you).

    Below is typical or almost standard with all desktop motherboard (not workstation nor server board)

    Motherboard with AGP built-in and free AGP slot.
       - If you install AGP card the the on-board AGP will be disable automatically
       - If you install PCI VGA then both will work but configure the BIOS to initialise AGP/PCI (AGP first and PCI second)

    LVL 70

    Accepted Solution

    MOST systems will not support both the integrated video and an AGP card.   The integrated video on modern boards IS an AGP video device -- so when you install another AGP card, that supercedes the onboard device.   As noted above, if you simply install a PCI video card, you can usually use both ... however, a much better approach is to simply install a dual-monitor-capable AGP card.   There are MANY such cards;  they are not expensive; and you'll then have a unified driver that supports both displays (no issues with conflicts between graphics drivers to worry about).

    This is a superb value for a dual-monitor card  (especially with the current rebate):

    ... there are many others, depending on the performance level you're looking for.
    LVL 70

    Expert Comment

    ... that really is a good value !!   I just ordered one for a spare card :-)
    (guess it cost me $25 to help you with this question !!)

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