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Upgrading Memory/Processors


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#1 wsnyder

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Posted 29 September 2009 - 09:01 PM

I'm a newbie, but anxious to learn. I'm rebuilding some units and want to upgrade memory. Running 32 bit Windows XP on single processor. I can put 4 GB on the board but is half of it unaccessible due to 32 bit? Would dual core help? Or, do I have to upgrade to 64 bit thereby making use of the 4 GB.

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#2 Budapest

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Posted 30 September 2009 - 12:20 AM

WinXP32 is capable of addressing all 4 GBs of RAM, however, some is set aside for hardware devices (PCI-E, PCI, etc.) which is why you will see Windows reporting something less than 4GBs.

http://www.microsoft.com/whdc/system/platf...PAE/PAEmem.mspx
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw




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