XP Page file Help


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Can someone please explain what the page file in XP is ?

I know it sounds silly 2 most of you but i really have to know how it affects my OS and if its OK to delete it...

Thank U in Andance ;)

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How to Configure Paging Files for Optimization and Recovery in Windows XP (Q314482)

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The information in this article applies to:

Microsoft Windows XP Home Edition

Microsoft Windows XP Professional

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For a Microsoft Windows NT and Windows 2000 version of this article, see Q197379 .

SUMMARY

The paging file (Pagefile.sys) is a hidden file on your computer's hard disk that Windows XP uses as if it were random access memory (RAM). The paging file and physical memory comprise virtual memory. By default, Windows stores the paging file on the boot partition (the partition that contains the operating system and its support files). The default, or recommended, paging file size is equal to 1.5 times the total amount of RAM. This article discusses how you can configure the paging file for system optimization and recovery.

To enhance performance, move the paging file to a different partition. When the paging file is on the boot partition, Windows must perform disk reading and writing requests on both the system folder and the paging file. When the paging file is moved to a different partition, there is less competition between reading and writing requests.

However, if you completely remove the paging file from the boot partition, Windows cannot create a dump file (Memory.dmp) in which to write debugging information in the event that a kernel mode STOP error message occurs. This can lead to extended downtime if a debug procedure is necessary to troubleshoot the STOP error message.

The optimal solution is to create one paging file that is, by default, stored on the boot partition, and then create one paging file on another, less frequently accessed partition. Additionally, it is optimal to create the second paging file so that it exists on its own partition, with no data or operating-system-specific files. By design, Windows uses the paging file on the less frequently accessed partition over the paging file on the more heavily accessed boot partition. An internal algorithm is used to determine which paging file to use for virtual memory management.

When you place a paging file on its own partition, the paging file does not become fragmented, and this counts as another definite advantage. If a paging file resides on a partition that contains other data, it may experience fragmentation as it expands to satisfy the extra virtual memory that is required. An unfragmented paging file leads to faster virtual memory access and greater likelihood of a dump-file capture that is free of significant errors.

If you follow the preceding recommendations, you meet the following paging file configuration goals for optimization and recovery:

The system is properly configured to capture a Memory.dmp file if the computer experiences a kernel mode STOP error.

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The paging file on the less frequently accessed partition is used most often because it is on a partition that is least busy.

NOTE : If your computer contains multiple hard disks, you can also create a paging file for each hard disk. When information is distributed across multiple paging files, the hard disk controller can simultaneously read from and write to multiple hard disks. As a result, system performance is enhanced.

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I dont know about everyone else but when I read a MS document it makes me sick. heres the simple down to earth way to make your pc work faster using the swap file to your advantage.

I always partition my ide0 the same way

1 big c: partition and the leftover x: which is double the size of my system ram. I have 1.5gb of ram so I needed a 3gb X: then after its FORMATED FAT right click on my computer then select properties. click advanced then PERFORMANCE click settings....then click the advanced tab......then at the bottom click Change under virtual memory......then select x: drive give it a custom size of double your ram for intial size and maximum size.....click set....then click on the c: drive and select NO Paging File...click ok then ok again and finaly ok 1 last time and reboot.

you should notice that your pc boots faster....and when you use photoshop it runs smoother.

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Depending on the size of your memory, if you have atleast 512MB of RAM you can set your page file to on or about 50MB and forget about it. Your system should run alright. If on the other hand your memory is less than the number mentioned above, then check the 'system manged size' which is usually 768MB. Just get on with other interesting stuff and forget about this.

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