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Windows 7: only 2.5 gigs ram in 64 bit?

21 Dec 2009   #21
mooseman99

Windows 7 Ultimate 64 Bit
 
 

Alright i guess i was freaking out over nothing
+rep to both of you
Thanks for all the help


My System SpecsSystem Spec
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21 Dec 2009   #22
mpcrsc562

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by mooseman99 View Post
Thanks for all the help
you're welcome
My System SpecsSystem Spec
21 Dec 2009   #23
pallesenw

Windows
 
 

In a system that can use all installed memory that usage is not correct.

You have a 945 chipset, right? That means you are limited to 4GB total address space, just like you were in the 32bit OS-days.
My System SpecsSystem Spec
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21 Dec 2009   #24
LFB

Windows7 Enterprise SP1 x64 (Technet)
 
 

I think that you have too much Hardware reserved memory...

I have only 2MB:

only 2.5 gigs ram in 64 bit?-untitled.jpg

but, if you have an onboard video card that's another thing... or even old chipset limitations...


My System SpecsSystem Spec
21 Dec 2009   #25
yowanvista

Windows 10 Pro x64, Arch Linux
 
 

Memory remap feature must be enabled in BIOS for x64 systems
My System SpecsSystem Spec
21 Dec 2009   #26
dsperber

Windows 7 Pro x64 (1), Win7 Pro X64 (2)
 
 

I don't understand what the hysteria is all about.

I too have a 4GB machine running Win7 Pro 64-bit.

Right-click on Computer, select properties, shows 4.00GB installed memory. This is correct. Same shown by CPUZ and Resource Monitor and any other tool you care to run.

In X64 all of that memory is available for use. The OS takes a portion of the physically installed memory for its own use, running apps take pieces for their own use, hardware/drivers may take pieces for their own use, and when you finally look at usage at any point in time there will be the sum of all those pieces subtracted from whatever physical memory you started with.

In my case, at this very moment Everest easily shows the two parts that make the whole of 4GB installed: USED 1631MB, FREE 2465MB, MEMORY UTILIZATION 40%.



What is the ambiguity?
My System SpecsSystem Spec
21 Dec 2009   #27
pallesenw

Windows
 
 

Quote   Quote: Originally Posted by dsperber View Post
I don't understand what the hysteria is all about.
It is about installed vs usable amount. Not all hardware can make use of all the installed ram. This thread is an example of that, because the 945 chipset cannot make 4GB DRAM usable.

Quote   Quote: Originally Posted by mooseman99 View Post
Just checked bios-
it says total recognized ram is 4000
but total usable ram is 2500
Is the first clue. Memory remapping is how you solve that, but that involves a chipset that has more than 4GB address space and supports remapping.
My System SpecsSystem Spec
21 Dec 2009   #28
SMOKKINU

Windows 7 Ultimate 64bit
 
 

Mine shows all 6GB's as usable?


Just wondering, not really complaining.


My System SpecsSystem Spec
21 Dec 2009   #29
LFB

Windows7 Enterprise SP1 x64 (Technet)
 
 

Quote   Quote: Originally Posted by SMOKKINU View Post
Mine shows all 6GB's as usable?


Just wondering, not really complaining.


Go on Resource Monitor and see the Hardware Reserved amount...
My System SpecsSystem Spec
21 Dec 2009   #30
Lee K

Windows 7 Ultimate 64 bit
 
 

Wondering if something is not right with one of those sticks of ram, there is a memory test came with Windows 7. Just type memory into the search bar and it will come up with diagnose your systems memory problems, it will restart and do some testing at a lower level at restart. Maybe this will give you some indication on what the problem is.
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 only 2.5 gigs ram in 64 bit?




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