I have two video card AGP 4X but it's not working.Why?????

HI Lau_kua08,

First off, your motherboard is a AGP 4x slot, and the Card is a AGP 8X card. However, NVIDIA based graphic cards which support AGP 8x mode (Accelerated Graphics Port) follow the AGP 3.0 specification. The AGP 3.0 specification retains backwards compatibility with older AGP 4x technology. All NVIDIA Geforce and Quadro GPU's which support AGP 8x mode are downwards compatible with AGP 4x motherboards. When a graphics card which operates at AGP 8x mode is installed on a motherboard which only supports up to AGP 4x mode, the card will automatically switch to AGP 4x operation.

So, yes it will work.

Good Luck,

Mark

high resolution is supported by high resolution monitors or LCD no matter what type of Video card are you using so first check monitor compatibility with the resolution

The answer is a definite YES. By definition of the AGP set standard, 8x gear absolutely must be backward compatible to 4x. 

Any 8x card in 4x-only mainbaord, or 4x AGP card in 8x capable motherboard must and most definitely will work.

Only cards that work with this board are AGP 4x graphics cards or possiblly AGP 8x cards that are backwards compatible. If you buy an 8x card do your research to make sure it's backwards compatible before purchase. Newer graphics cards are pci-express x16 or pci-e 2. These will not work with your board. Hope this helps & please remember to rate my answer. Thanks.

If you buy an 8x AGP graphics adapter(video card) for a 4x AGP system, the card will function at 4x rate, it will still work with your system, and also download and install the latest catalyst drivers for your computer at (ATI.com)

Your motherboard only supports AGP. You can use any AGP graphics card that supports up to 4X AGP. nVidia and ATI make great cards as well as other manufacturers that mak boards using nVidia and ATI chipsets. I would recomend a card with at least 512MB of memory onboard. I hope this helps.

Lou

Accourding to other users that own the 510CMT, once the AGP card has been installed it automatically disables the onboard graphics card. http://forums12.itrc.hp.com/service/forums/bizsupport/questionanswer.do?prodSeriesId=316510&prodTypeId=12454&threadId=1050434&admit=109447627+1213753294488+28353475

From reading post from the link above, the EVO can run only a 4x 1.5v AGP video card and it's picky about this. So if you have an AGP card & it runs both 8x & 4x speed chances it wil not function in the EVO.
Here is a list of AGP 1.5v 4x cards that should function in the EVO:
http://www.google.com/products?q=NVIDIA+GeForce2+AGP+2x+4x+64MB+1.5v+only&btnG=Search+Products&hl=en&show=dd

Good Luck!
Mike

Before removing your current card swap video outputs on the PC. If currently connected to the VGA output switch to the HDMI connector AT the video card. Use the HDMI to VGA adapter that came with the video card. Check & see if the display loads Pc starts. Taking the information directly from your motherboard manual pg. 25, your AGP video can only run at, AGP supporting 1.5 V 4X AGP cards. The 9600pro runs at 8x & it is not backwards compatible. (able to run at either 8x or 4x). You could run the Sappire ATI Radeon 256MB 9550 DDR AGP 4x/8x 1.5volt card.
Here is one site: http://www.colordrives.com/sapphire-ati-radeon-9550-256mb-ddr-agp-4x-8x-video-card---retail-box.html
When you do get the video card be sure to set your bios AGP to the correct size as listed in your manual pg. 109 subsection 4.4.7
I hope this helped.

Hi,

Most current AGP video cards are now 8X and they will still work with your motherboard but will just be limited to 4X. Trying to find a 4X might be time consuming whereas using an 8X downgraded to 4x would be comparatively easier and faster.

Additionally most Video cards will work under XP with the appropriate drivers but Vista has a limited list of compatible Video cards.

Hope that this be of some help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.

the 4x card WILL work in an 8x slot but it will only run at 4x speed because of the card limitation. also, the 8x card WILL work in a 4x slot but it will only run at 4x speed because of the slot limitation. i've done it. peace