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Windows 7: neo basic 2165 - 4gb installed but only shows 3gb installed


24 Mar 2011   #1

Windows 7 Ultimate x64
 
 
neo basic 2165 - 4gb installed but only shows 3gb installed

hey guys got an issue her thats been like a stubbed toe - just cant let go of it -
im using a dual core neo basic 2165 -

i just recently upgraded my ram to 4gb 2x - 2gb -ddr2 800
but it just shows 2.75 usable - and only 3gb installed -
ive tried every thing so far- still same result- tried the msconfig trick posted her still results after reboot - please help thanks guys more power

My System SpecsSystem Spec
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24 Mar 2011   #2

Ubuntu 12.10
 
 

Hello Joey,

Its simple, your computer cannot use 4GB of RAM as your computer is using Windows 32bit. To use 4GB or more RAM, you will need to have installed Windows 64 bit. Windows 32bit can only use around 3.25GB RAM, although this might vary between different computers. Could you tell me you CPU name so I could check if it supports 64 bit?

Slasher
My System SpecsSystem Spec
24 Mar 2011   #3

Windows 7 Ultimate x64
 
 

ei slash, it is running 64.bit Windows 7 - its a laptop neo basic 2165 - thats as fa as i know abt the laptop- pentium dual core thanks again for the reply
My System SpecsSystem Spec
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24 Mar 2011   #4
Microsoft MVP

Win 7 Ultimate x64
 
 

64 bit won't help. Here are the specs on that laptop,

NEO | Basic B2165

and the specs on the Via chipset in it,

VIA VN896 Mobile PCI Express Chipset brings Vista to notebooks with stunning image quality technology - VIA Technologies, Inc.

It only supports up to 4 GB of ram total, so unless there is a memory re-mapping option in the bios (doubtful), then it won't matter whether it is 32 bit or 64 bit Windows. This is why (just change the 8 GB mentioned for 4 GB, and the same aaplies),

The system memory that is reported in the System Information dialog box in Windows Vista is less than you expect if 4 GB of RAM is installed

Quote:
Note When the physical RAM that is installed on a computer equals the address space that is supported by the chipset, the total system memory that is available to the operating system is always less than the physical RAM that is installed. For example, consider a computer that has an Intel 975X chipset that supports 8 GB of address space. If you install 8 GB of RAM, the system memory that is available to the operating system will be reduced by the PCI configuration requirements. In this scenario, PCI configuration requirements reduce the memory that is available to the operating system by an amount that is between approximately 200 MB and approximately 1 GB. The reduction depends on the configuration.
My System SpecsSystem Spec
24 Mar 2011   #5

Ubuntu 12.10
 
 

Are you sure it is 64 bit? How much RAM did the laptop come with?
My System SpecsSystem Spec
27 Mar 2011   #6

Windows 7 Ultimate x64
 
 

@ slasher yup im sure - the lap top came with 2gb preinstalled -
@stormy18
this is he driver i have installed as well - it only shows me 2.75 usable - as my ram i have 4gb currently installed -
thanks alot guys for the replies greatly appreciate the help
My System SpecsSystem Spec
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 neo basic 2165 - 4gb installed but only shows 3gb installed




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