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RAM Problem


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#1 Delta16

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Posted 24 November 2008 - 11:49 AM

I have bought a new 2GB Ram . Now i have 4 GB of RAM. When i right click on my computer to check the specs there is only 3GB RAM, and i have 4 GB.:/.
I have checked on PC Wizard 2008 and it marked that there is 4GB RAM.
Why the system properties show that i have 3 gb and is the pc using 4GB or 3GB ?

Thanks in advanced

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#2 dc3

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Posted 24 November 2008 - 12:06 PM

A 32-bit operating system will only show about 3GB to 3.5GB of RAM. You would need to use a 64-bit operating system to have the full 4GB recognized.

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#3 Delta16

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Posted 24 November 2008 - 12:15 PM

I have a 64-Bit operating system and on Vista Ultimate it marked 4GB.

Does Xp use 4GB or 3GB as it marked?

Thanks in advanced

Edited by Deadly Elegance, 24 November 2008 - 12:32 PM.


#4 dc3

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Posted 24 November 2008 - 12:44 PM

A 32-bit Windows operating system will recognize up to 4GB of RAM, but will not show the total amount because of the draw from critical functions such as the system BIOS, motherboard resources, memory mapped I/O, AGP, PCI, PCI-E, and other memory allocations for PCI devices.

Different onboard devices and different add-on cards (devices) will result in different total memory size. This means that the more PCI cards installed will require more memory resources, resulting of less memory free for other uses.

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#5 Delta16

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Posted 24 November 2008 - 01:49 PM

Thanks, thats a reasonable answer.

At least it is used for something, Thanks again

#6 dc3

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Posted 24 November 2008 - 02:33 PM

My pleasure.

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