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Windows 7: it is possible to use full 4gb ram in win7 x86

23 Oct 2011   #1
wasim

Windows 7 Ultimate x64
 
 
it is possible to use full 4gb ram in win7 x86


hello to all
it is possible to use full 4gb ram in win7 x86 if yes then how?
if not then how to use wastage ram for fast performance?



My System SpecsSystem Spec
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23 Oct 2011   #2
Hopalong X

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

1) No. You need Win 7 64bit.
2) Get Windows 7 64bit.
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23 Oct 2011   #3
Wishmaster

Windows 7 Home Premium 64bit
 
 

I would not go trying to tweak the system to use less RAM etc. All youll accomplish is making thing actually slower.


Also, as recommended, moving to 64bit will be the best way to may use of all your RAM.
Keep in mind, your Win7 key is not 32 or 64 bit specific.

So you can install the 64bit version, and your key will activate it without issue.
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23 Oct 2011   #4
marsmimar

Microsoft Community Contributor Award Recipient

Win 7 Pro 64-bit
 
 

This Microsoft article may help explain why 32-bit Windows 7 cannot make use of a full 4GB RAM.

The usable memory may be less than the installed memory on Windows 7-based computers
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23 Oct 2011   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Don't try to tweak. It will make matters worse. And here is some more info: Maximum Memory in 32-bit Windows Vista : Windows Vista and Windows 7 Help
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23 Oct 2011   #6
badger906

Windows 7 Ultimate x64, & Mac OS X 10.9.2
 
 

if you have a bundled disc it contains both x64 and x86 copies on one disc
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23 Oct 2011   #7
flemur13013

Windows 7 Ultimate
 
 

Yes, it's possible to access 4Gig from 32 bit Win 7. I've been doing it for a while and never had any problems at all.

Find "4GB-RAMPatch-Multilingual-12.7.2010.exe" and run it.
My System SpecsSystem Spec
23 Oct 2011   #8
Corazon

Windows 7 Professional SP1 32-bit
 
 

Quote:
if you have a bundled disc it contains both x64 and x86 copies on one disc
That is not correct. While Windows 7 DVDs do include every possible edition on one disc, they come as either 32-bit or 64-bit. Not both on one disc.

Quote   Quote: Originally Posted by flemur13013 View Post
Yes, it's possible to access 4Gig from 32 bit Win 7. I've been doing it for a while and never had any problems at all.
Find "4GB-RAMPatch-Multilingual-12.7.2010.exe" and run it.
That's a hack of unknown origin and while it may work, it runs inside the Windows kernel and with full privileges over the entire system. To trust something like this not to mess up your system is insane... It also violates licensing agreements with Microsoft.
My System SpecsSystem Spec
23 Oct 2011   #9
marsmimar

Microsoft Community Contributor Award Recipient

Win 7 Pro 64-bit
 
 

Quote   Quote: Originally Posted by flemur13013 View Post
Yes, it's possible to access 4Gig from 32 bit Win 7. I've been doing it for a while and never had any problems at all.

Find "4GB-RAMPatch-Multilingual-12.7.2010.exe" and run it.
According to Microsoft it's possible for a 32-bit system to access more than 4 GB of physical memory providing PAE (physical address extension) is explicitly enabled.

With PAE, the operating system moves from two-level linear address translation to three-level address translation. Instead of a linear address being split into three separate fields for indexing into memory tables, it is split into four separate fields: a 2-bit field, two 9-bit fields, and a 12-bit field that corresponds to the page size implemented by Intel architecture (4 KB). The size of page table entries (PTEs) and page directory entries (PDEs) in PAE mode is increased from 32 to 64 bits. The additional bits allow an operating system PTE or PDE to reference physical memory above 4 GB.

Seems this might be a safer option than trusting some hack.

Physical Address Extension (Windows)
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24 Oct 2011   #10
wasim

Windows 7 Ultimate x64
 
 

i think better thing is that i use win7 x64 or wait and upgrade to new world of "windows 8" when it officially release
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 it is possible to use full 4gb ram in win7 x86




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