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4gb installed but says low memory

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by kenomanx

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when ever I'm playing a game the game does not lag at all then a window pops up saying vista is low on memory we recommend you close the game. i have 4gb installed in my PC vista only shows 3gb and i have an 8800 with 700 some MB of ram installed and the game I'm playing is only using 1.5gb of ram does any one know why this might happen?

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by thechas

I don't know what is going on with your game. It sounds like you might have a memory leak though.

As to Vista only showing 3GB of your 4GB of RAM, there is a limitation with some chip-sets that while they can address and recognize 4GB of RAM, the top 1 GB is reserved for the CPU to use for a variety of system tasks. Including the addressing of the system buses.

Chas

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