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Windows 7: Windows 7 Ultimate 64-bit doesn't support 4GB RAM?

24 Oct 2009   #21
Ex_Brit

Win 7 Ult SP1/Win 8.1 Pro w/MC (all x64)
 
 

Quote   Quote: Originally Posted by jltk87 View Post
having the same problem as you guys. cannot install more than 2gb ram. just updated the bios and nothings changed. If i leave it to boot with 4gb then it hangs on the windows logo and after a while just turns itself off.

asus pn532 sli-se-deluxe, 2.4ghz dual core, corsair ram, 64 bit pro.
Are you sure about that board number? The 5N32 is 32-bit so will not recognize more than about 3.3gb anyway.

EDIT: I stand corrected....it will take up to 8gb RAM according to ASUS but the RAM sticks must be of specific makes/types.


My System SpecsSystem Spec
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24 Oct 2009   #22
sup3rsprt

XP, Seven, 2008R2
 
 

Quote   Quote: Originally Posted by Ex_Brit View Post
Are you sure about that board number? The 5N32 is 32-bit so will not recognize more than about 3.3gb anyway.
The number 32 relates to the amount of PCI-Express lanes.
My System SpecsSystem Spec
24 Oct 2009   #23
Ex_Brit

Win 7 Ult SP1/Win 8.1 Pro w/MC (all x64)
 
 

Yes, I did go back and edit my post, sorry about that. I've been combing the internet on this subject and so far have come up with lots of theories but no firm solution for you guys.
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24 Oct 2009   #24
joel406

Windows 7 Ultimate x64/x86 Windows 7 Pro x64/x86 Windows 7 Home Premium x64/x86
 
 

I have 6gigs of RAM and Win7 installed flawlessly.

You must have cheap hardware.
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24 Oct 2009   #25
sup3rsprt

XP, Seven, 2008R2
 
 

Quote   Quote: Originally Posted by joel406 View Post
You must have cheap hardware.
It's not really fair to say. Because his system might run other operating systems flawlessly. This is an issue specific to Windows 7.
My System SpecsSystem Spec
24 Oct 2009   #26
jltk87

windows 7 pro 64
 
 

was previousely using vista 64 which ran fine.

Ran windows 7 32bit fine as well with 4gigs. just 64 bit that has this problem.

I dont seem to have or cant find a max memmory setting in my bios.
My System SpecsSystem Spec
24 Oct 2009   #27
bobkn

Windows 7 Pro X64 SP1
 
 

Quote   Quote: Originally Posted by jltk87 View Post
was previousely using vista 64 which ran fine.

Ran windows 7 32bit fine as well with 4gigs. just 64 bit that has this problem.

I dont seem to have or cant find a max memmory setting in my bios.
I suggest running a memory diagnostic like MemTest86+:

Memtest86+ - Advanced Memory Diagnostic Tool

It's OS independent. I don't know whether the 64 bit version of Win7 has more trouble booting with glitchy RAM than the 32 bit version.

I'm running Home Premium X64 with 12GB of RAM. (The maximum it supports is 16GB; it goes to 192GB with Pro.)
My System SpecsSystem Spec
24 Oct 2009   #28
liptochron

Windows 7 Ultimate 64-bit
 
 

I'm having the same issue Simon, it's not your hardware. Well, it is your hardware, but specifically, it's the fact that W7 can't support your hardware yet. It seems to be an issue with owners of certain Asus mobos with Athlon processors.
I am running:
Asus M2V-MX mobo
Athlon X2 6000+
2x2048MB Kingston RAM

Before W7 I was running XP Pro-64 with no problems. Then when I tried to run a clean install of W7 everything froze until I took out 2GB of ram.
It's been mentioned in several forums. This thread seems to have a BIOS tweak that may help some people, but it's not an option on mine.
Anyone have issue with installing windows 7 x64 with 4GB ram

Unfortunately, that stick of RAM might have to sit in your drawer until Microsoft comes up with a patch.
My System SpecsSystem Spec
25 Oct 2009   #29
simonsiknasty

Windows 7 Ultimate 64bit
 
 

Does this issue just occur on the Ultimate version of Windows 7?
My System SpecsSystem Spec
25 Oct 2009   #30
jychan28

Windows 7
 
 

Bottom line, it is not Windows 7 Ultimate problem.
That is so obvious that it could not possible that Microsoft let that bug out.

I would think the problem most likely is the board or bios. Make sure the setting on the board is correct and the bios is up to date.

I installed Windows 7 x64 Ultimate version on a Asus motherboard. Later I replaced the Core 2 CPU with the Quad and got into trouble, machine won't boot. I put back the old CPU, got to the web downloaded the latest Bios and believe or not I had to use a floppy drive to update the bios. Once updated, put in the Quad, problem solved.

The CD supposed contain both 32bit and 64bit version. Put back 4G RAM, install the 32bit version. It will use 3G RAM. If you have installation with that too, you know your problem is your motherboard, Bios or possible you damaged your RAM or did not seat the RAM in the socket properly (Swap the RAM and see if you have damage the RAM strips).
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 Windows 7 Ultimate 64-bit doesn't support 4GB RAM?




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