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Windows 7: Only 8 GB Ram recognised of 12 GB


05 Feb 2011   #1
Danii

Windows 7 Ultimate 64 bit
 
 
Only 8 GB Ram recognised of 12 GB

Hello,
i am dealing with a very strange problem right now.

first of all, my system specs:
PT6 SE Mainboard
Intel Core I7 920
12 GB ram (6 x 2GB DDR3)
Nvidia GTX 260
Windows 7 Ultimate 64 bit

Recently windows 7 only shows me 8 of 12 GB Ram, when I check with CPUID it shows me all 12 GB ram. The bios shows me 8 as well.
what is wrong and how can I fix this? I thought of the mainboard or the chips being bad but if that would be the case CPUID woudnt show me all 12 GB RAM.


My System SpecsSystem Spec
05 Feb 2011   #2
yowanvista

Windows 8.1 Pro x64
 
 

Enable 'Memory Remap' in your BIOS

Uncheck Max mem from msconfig (msconfig>Boot>Advanced options)
My System SpecsSystem Spec
05 Feb 2011   #3
Danii

Windows 7 Ultimate 64 bit
 
 

Thanks for the quick reply, where do I find that option?
My System SpecsSystem Spec
05 Feb 2011   #4
DocBrown

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

Also check in System Configuration for Maximum Memory set to Zero (0)

If not, set that & save & reboot computer.


Attached Thumbnails
-maximum_memory.jpg  
My System SpecsSystem Spec
05 Feb 2011   #5
Danii

Windows 7 Ultimate 64 bit
 
 

I checked Maximum Memory and it was allready unchecked.
And I still cant find Memory remapping in my Bios...
its not under Chipset.
My System SpecsSystem Spec
05 Feb 2011   #6
DocBrown

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

Each different Mfg of Bios's seems to hide it it different sub-menus. Sometimes, I have to go through each menu & sub-menu, 1 at a time until I find what I need to change.
My System SpecsSystem Spec
05 Feb 2011   #7
Danii

Windows 7 Ultimate 64 bit
 
 

I just went throu every sub menu & menu in my Bios and there was no such thing as Memory remmaping. How can this be? could it be that the Asus PT6 SE doesent support that function?
My System SpecsSystem Spec
05 Feb 2011   #8
profdlp

Main - Windows 7 Pro SP1 64-Bit; 2nd - Windows Server 2008 R2
 
 

What speed are you running the RAM at? When using all six slots in the P6T it is recommended not to use any of the XMS settings.
My System SpecsSystem Spec
05 Feb 2011   #9
Danii

Windows 7 Ultimate 64 bit
 
 

Where do I find that Information?
And what does XMS mean?
My System SpecsSystem Spec
05 Feb 2011   #10
Danii

Windows 7 Ultimate 64 bit
 
 

okay I think I found my memory speed, I have a programm called AIDA64 wich shows DDR3-1333 (667 MHz) as the speed of all 6 modules.
My System SpecsSystem Spec
Reply

 Only 8 GB Ram recognised of 12 GB




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