Tech Support > Microsoft Windows > Does Windows XP use all the memory in my system
Does Windows XP use all the memory in my system
Posted by Howard Weiss on March 29th, 2006


My system processor is a Processor x86 Family 15 Model 2 Stepping 5
GenuineIntel ~3199 Mhz. I have 8 GB of memory in the system. I am running
Windows XP Professional Version 5.1 Build 2600.xpsp_sp2-gdr.050301-1519 SP2.
About Windows tells me that the Physical Memory available to Windows is
3,406,812 KB or about 1/2 the actual memory in the system. Is Windows using
all 8 GB and, if so, how?


Posted by Bert Kinney on March 29th, 2006


Hi Howard,

WindowsXP supports up to 4gb of ram. More than that will be ignored, and
could cause system instability.

For more information take a look at these articles.

Virtual Memory in Windows XP by Alex Nichol MS-MVP:
http://aumha.org/win5/a/xpvm.php

The amount of RAM reported by the System Properties dialog box and the
System Information tool is less than you expect after you install
Windows XP Service Pack 2
http://support.microsoft.com/kb/888137/en-us

RAM, Virtual Memory, Pagefile and all that stuff
http://support.microsoft.com/kb/555223/en-us

--
Regards,
Bert Kinney MS-MVP Shell/User
http://bertk.mvps.org

Howard Weiss wrote:



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