Video card number crunch?

My ATI Radeon X1300 video card is running slow and i have suspected that I needed more ram. When i check my system information it say that i have 384MB of knock against; however, my in CMOS it say that I've got 512 and I even go as far at to open my computer up and check the run into stick. I KNOW i've got at lowest possible that much. So here's the problem. On the video card's box it says the card have 256MB DDR-2 memory. Shouldn't that 256 of memory be added to my 512, so why does the system information say that i've get only 384MB of bump. What's going on?

Any information would help

Answer:
No, the 256MB of Video RAM on your Video Card is "COMPLETELY" Separate from your System memory of 512MB and is never added to your system Ram.What is stirring to you is you have an "ONBOARD" Video that is to say turned on and should be disabled as you have a separate Video Card (ATI X1300). This Onboard Video "IS SHARED Memory" and is using 128MB of System RAM, thats why is single totals 384MB...(128+384=512) or (512-128=384). When you boot your computer, press the "DEL" key to enter your BIOS Setup and turn bad the Onboard Video...Change the setting to (PCIx) if that is the type of Video card your ATI is. that should disable the onboard video built into your motherboard and see you new ATI X1300 PCIx Video Card to work properly and you will no longer lose 128MB to the onboard video. Also 512MB is batrely satisfactory to run windows, agree to alone for you to play any 3D Video Games. Try adding another 2GB of Ram to your system. For the best price on RAM check out http://PRICEWATCH.COM
it is shared video memory, so it is stealing it from the bump you have installed on your motherboard
no you video knock against is separate from system ram. your system alone will use 256 ez.. try spyware scanner, and defrag drive and disc verbs up..
1. Your graphics card's ram have nothing to do next to your motherboards ram as such and so it isn't added to the total at adjectives.
2. Sounds to me like you are reading the available memory of the stick, (what's not mortal used already by programs that are running) instead of the total of the stick. Btw, 512mbs isn't near plenty memory these days to run the clean graphics intensive games.
3. Your graphics card is effected by CPU usage...the more resources that are human being used the slower the card will also run...being that your CPU & 512mbs memory after becomes the choking point contained by your system no matter how appropriate a graphics card you have.
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