agp on a compaq

This is a discussion on agp on a compaq within the Tech Board forums, part of the Community Boards category; My friend has older compaq pc with a 900mhz AMD Duron processer and I can't seem to get the agp ...

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    Registered User Josh Kasten's Avatar
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    agp on a compaq

    My friend has older compaq pc with a 900mhz AMD Duron processer and I can't seem to get the agp port to work on it. It has an onboard card that shares the system memory and it came with a 16mb agp graphics card as well. But it doesn't seem to over ride the board one. I've looked at the bios setting and i don't see any where on how to turn off the onboard. The bios is very different from others and it has very few settings. Have any idea on why the agp one is not working.
    int a; don't make a program without it.

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    *this
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    This probably isnt the fix, but I had a similar problem once, and had to set it to PCI in the BIOS even though it was an AGP slot. Are you sure the graphics card still works?

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    Registered User Josh Kasten's Avatar
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    The bios is so simple on the computer it doesn't have an option like that. I'm not 100% sure that the cards worked i've tried two but i haven't tried them in other pc's yet.
    int a; don't make a program without it.

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    Is the on board a card you plug into an AGP or is it actually integrated into the mobo? Also are you trying to plug another card into an AGP slot and it won't work? Chances are the comp will use the first card if they are the same(ie. vid cards). If it is just plugged into the AGP slot just un plug that, otherwise you might have to find a jumper to switch.

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    Registered User Josh Kasten's Avatar
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    No the onboard one is build on to the motherboard it can not be removed. I'm trying to add a agp card to the computer. I didn't see a jumper on the board for the which graphics to use but i can look again.
    int a; don't make a program without it.

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    5|-|1+|-|34|) ober's Avatar
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    I'm a little confused, so let me see if I've got this straight: You have a motherboard with an AGP slot and built-in VGA adapter, correct? And you're just trying to add an AGP card and it will not recognize the new card?

    Have you installed the driver for the card yet? There is a very good chance that both the AGP card and the onboard video will work at the same time, so there should be no reason to "override" the onboard video.

  7. #7
    PC Fixer-Upper Waldo2k2's Avatar
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    what OS is he using?
    what happens when you plug the monitor into the agp card, do you have a signal up until windows trys to boot?
    PHP and XML
    Let's talk about SAX

  8. #8
    Registered User Josh Kasten's Avatar
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    I'm a little confused, so let me see if I've got this straight: You have a motherboard with an AGP slot and built-in VGA adapter, correct?
    Yes, that is right.
    And you're just trying to add an AGP card and it will not recognize the new card?
    Yes
    Have you installed the driver for the card yet?
    Yup
    what OS is he using?
    win2k
    what happens when you plug the monitor into the agp card, do you have a signal up until windows trys to boot?
    The screen will never turn on when its pluged into the agp card.
    int a; don't make a program without it.

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    Is the monitor light yellow or green?

    Does it ever change or make any noise or do anything when it is plugged in?

  10. #10
    Registered User Josh Kasten's Avatar
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    Yellow, and it never does anything. It seems to me that the motherboard is just overriding the agp and just using the on-board instead.
    int a; don't make a program without it.

  11. #11
    Registered User Frobozz's Avatar
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    What is the model of the machine? Compaq usually keeps information on their older models on their website for quite a while. Might also be able to dig up something with it.

    Oh and I don't suppose he happens to know the power output of the power supply does he? Compaq (and HP as well) seems to leave that tidbit off their site. I've had trouble with cards in the past simply because the power supply couldn't meet the demand.

  12. #12
    5|-|1+|-|34|) ober's Avatar
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    I'm also going to assume that the AGP card is actually working??

  13. #13
    Bob Dole for '08 B0bDole's Avatar
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    My experience is that you have to switch it from using the onboard to using the agp slot, especially in older computers. Look up on compaqs website for the manual and figure out where the jumper or bios setting actually is.
    Hmm

  14. #14
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    Is the card 8x AGP? The card might be too good for the mobo.

  15. #15
    Bob Dole for '08 B0bDole's Avatar
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    >Is the card 8x AGP? The card might be too good for the mobo.

    all AGP cards are backwards compatible with 1x agp

    ...I'm pretty sure.
    Hmm

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