OS not seeing all memory

Experts,


I have a HP DL380 G5 which has 8 gigs of ram installed.

I originally bought the server with 4 gigs, the OS was reading 3.25 gigs of ram in this config. I installed another 4 gigs so we can have a total of 8 gigs. The Bios and system management page see's all 8 gigs.

I installed the /pae switch to the Boot.ini. I am running Windows server 2003 R2 SP2.

The OS is only showing 4gb of ram, before i added the /pae switch it was 3.25gb.

How can i get the server to see the other 4 gigs?


What do you think i should do in order to see the rest?
Crucio666Asked:
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PUNKYConnect With a Mentor Commented:
If you use 32 bits OS, then that is all you can see. If you want use all of them, then install 64 bits.
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skree358Connect With a Mentor Commented:
Do you have this in the boot.ini file?

/fastdetect /NoExecute=OptOut /3GB /PAE
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Crucio666Author Commented:
I have this in my boot.ini

/NoExecute=OptOut /fastdetect /PAE
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roue461Connect With a Mentor Commented:
He is using PAE to try and overcome this limit.

http://en.wikipedia.org/wiki/Physical_Address_Extension

Here is a decent Wiki link for you and one from MSDN so you can check the way you have it set up.

http://msdn2.microsoft.com/en-us/library/Aa366796.aspx
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that1guy15Connect With a Mentor Commented:
Punky is right. The 32bit architecture is limited to only seeing 4 gig. You will need to go to 64bit os for Windows or your OS to utilize all your memory.
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skree358Commented:
Check this out:
http://www.bootstrike.com/Forums/viewthread.php?id=274

A guy was able to show up all 8GB on a 32-bit system running Windows Server 2003 using the line I posted.
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xr1140Commented:
there are 4 versions of Windows Server 2003; Standard, Enterprise, Datacenter and Web Edition

 which one do you have ?

http://www.microsoft.com/technet/windowsserver/evaluate/features/compare.mspx#Hardware%20Specifications
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Crucio666Author Commented:

"skree358:
Check this out:
http://www.bootstrike.com/Forums/viewthread.php?id=274

A guy was able to show up all 8GB on a 32-bit system running Windows Server 2003 using the line I posted."

is this a safe way?

From what i understand now, it is not supposed to be supported in 32bit OS's. I wouldnt want to force it onto it, it may cause more issues.....

thanks for all the help guys.
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PUNKYCommented:
Crucio666, that is right decision. The same questions like this posted in EE and other sites many many times, and there were suggestions to trick or hack but never be real. In fact, such hacking that is not sure was true, and it will not allowed to post in EE board, that is violating the rule and it is illegal.

Thanks for accept the answer.
Regards.
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Crucio666Author Commented:
i reinstalled the OS with Ent and it saw all 8 gigs. thanks
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