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Mar
26
revised Windows 7 x64 4GB ram use only 3.1 GB like x86
better answer.
Mar
25
accepted Windows 7 x64 4GB ram use only 3.1 GB like x86
Mar
25
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Mar
25
revised Windows 7 x64 4GB ram use only 3.1 GB like x86
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Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
Is not a bios problem, otherwise i can't see 4GB ram Available. however thx.
Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
maybe you're right.. thx.
Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
my peek usage was 3.1 before ran the bcdedit command line, after it was on 3.5 / 3.6 GB. Testing with mem opt that alloc all available memory. Yeah, maybe it's memory optimizer too fault. :) thx
Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
I don't think so, the Hardware reservation Memory in resource monitor is 2MB only [added picture in question], perhaps i'm not sure about that, maybe the PCI-E need some extra ram.
Mar
25
revised Windows 7 x64 4GB ram use only 3.1 GB like x86
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Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
it's an oldone, nVidia GEForce 9500 GT 1GB RAM
Mar
25
revised Windows 7 x64 4GB ram use only 3.1 GB like x86
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25
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Mar
25
revised Windows 7 x64 4GB ram use only 3.1 GB like x86
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25
awarded  Custodian
Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
[update question: yes i'm using x64 os, and monitor ram with SysInternal process explorer] Maybe it's somenthing related with Power Saving too?
Mar
25
reviewed Approve suggested edit on Windows 7 x64 4GB ram use only 3.1 GB like x86
Mar
25
comment Windows 7 x64 4GB ram use only 3.1 GB like x86
Bios is updated with last version.