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How do I enable Intel Physical Address Extensions?
John Savill
January 28, 2001
1 Min Read
A. Windows 2000 Advanced Server and Windows 2000 Datacenter can both address more than 4GB (8GB and 64GB, respectively). You enable this feature with the /PAE switch. Perform the following steps:
Use the following command to remove the system and read-only boot.ini attributes:
C:> attrib c:boot.ini -s -rUse the following command to open boot.ini in Notepad:
notepad c:boot.iniAdd the /PAE switch to the end of the OS you use. For example,
multi(0)disk(0)rdisk(0)partition(1)WINNT="Microsoft Windows 2000 Advanced Server" /fastdetect /paeSave the change.
Use the following command to reset the system and read-only attributes:
C:> attrib c:boot.ini +s +r
The 4GB limitation for each program still exists; however, the OS can address more memory, so the programs won't encounter physical memory limitations and the system will experience less paging.
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