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Virtual memory - 4/13/2006 2:01:23 PM   
Gordon

 

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The reason for setting "virtual memory" is to improve the speed of the computer in "farming" out memory overflow.

Good grief what is he talking about?
In a computer we have "RAM" which stands for 'Ramdom Access Memory" (abit like your brains short term memory) This is physical memory and are known as 'modules' and fit in slots on the motherboard (there will be a picture tutorial later on the insides of your computer)

So now we come to "Virtual Memory".
When "RAM" is all used up and that depends on how much physical memory you have (eg 512mb, 1gb 2gb etc etc) and I use the term "used up" as Windows and any program running requires so much memory in which to run, any data created needs or a program itself  needs to be written in 'temp files' on the hard drive.
Lets say "windows and Studio" are running and studio has a representation of 2gb of video files on the timeline, the total data size may be over your 1gb Ram (example) then the excess will be written to "virtual memory" (a hard drive) until as such time its needed and is called back in which case something else will then be written to the "virtual memory". In other words "virtual memory" is a temp storage for short term usuage

Still with me?, good
By fixing a area on the hard drive for all this storage, windows can quickly write to that area.
Why not let windows do it?
By letting Windows do it the "virtual memory" area will expand and collapse, all of which takes time and may end up in 'bits' here and there.
What we want is 1 big lump in which Windows can 'dump' things
In the next set of pictures is how we do that

< Message edited by Gordon -- 4/13/2006 4:04:48 PM >


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RE: Virtual memory - 4/14/2006 6:18:40 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:20:27 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:21:14 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:22:16 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:22:47 AM   
Gordon

 

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< Message edited by Gordon -- 4/14/2006 6:23:15 AM >


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RE: Virtual memory - 4/14/2006 6:23:50 AM   
Gordon

 

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We need to set drive "C" to  zero "Virtual memory" while we 'fix' the drive





click on the set button but not the ok button


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< Message edited by Gordon -- 4/14/2006 6:46:36 AM >


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RE: Virtual memory - 4/14/2006 6:24:23 AM   
Gordon

 

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Now Re-boot


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< Message edited by Gordon -- 4/14/2006 6:27:19 AM >


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RE: Virtual memory - 4/14/2006 6:25:03 AM   
Gordon

 

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After Re-booting




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< Message edited by Gordon -- 4/14/2006 6:28:27 AM >


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RE: Virtual memory - 4/14/2006 6:25:37 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:26:12 AM   
Gordon

 

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Close Defrag


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< Message edited by Gordon -- 4/14/2006 6:29:57 AM >


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RE: Virtual memory - 4/14/2006 6:29:12 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:30:37 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:31:11 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:31:45 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:32:16 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:32:57 AM   
Gordon

 

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RE: Virtual memory - 4/14/2006 6:33:38 AM   
Gordon

 

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Now Re-boot your finished



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< Message edited by Gordon -- 4/14/2006 6:35:34 AM >


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RE: Virtual memory - 4/14/2006 6:34:11 AM   
Gordon

 

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Picture 18

on re-booting if you were to start "defrag" again you would find this




Your "virtual memory" (green) is now all in 1 'lump' for nice and quick access
Each drive or partition has a 4gb limit, but each drive or partition can have a "virtual memory"

If you need to discuss this or any of the other "picture tutorials" start a new thread with the  tutorial name and the word "discuss" and someone will come along and sort any query out


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< Message edited by Gordon -- 4/14/2006 6:59:31 AM >


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Post #: 19
RE: Virtual memory - 9/18/2006 7:18:20 AM   
Gordon

 

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Once this has been done, as for a example if a  video capture is in progress the resulting temp file created can be written sequentially into "virtual memory" quicker than if the 'virtual memory' was split up or if there wasnt enough room. Allowing Windows to do this task will end up with loads of hard disc activaity as it expands and contracts the area resulting in slower writes

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