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тАО02-24-2006 12:31 AM
тАО02-24-2006 12:31 AM
bl25p only seeing 4GB out of 8GB RAM installed from OS
Hi,
I'm looking for some help in solving a problem I'm having with 4 bl25p blades. All blades are using Windows Server 2003 std. SP1, Proliant Support Pack 7.40A with 7.41 insight agents (to fix high CPU problem we had)
At some point Windows has stopped recognizing all 8GB of RAm installed in these blades. When the system starts up, the BIOS indicates 8024MB of RAM, through iLO you can see the system is configured with 8 x 1024MB memory, one 1024MB per bank.
Within Windows, on the properties of My Computer, it indicates the system IS using PAE(Physical Adress Extentions) but only 4GB ! This is WITH or WITHOUT the /PAE option in the boot file. We have many Opteron blades that use full system memory without any boot.ini options to specifiy /PAE option, always using hardware.
Could someone provide some tips of where to look ?
I've attached some screen shots.
I'm looking for some help in solving a problem I'm having with 4 bl25p blades. All blades are using Windows Server 2003 std. SP1, Proliant Support Pack 7.40A with 7.41 insight agents (to fix high CPU problem we had)
At some point Windows has stopped recognizing all 8GB of RAm installed in these blades. When the system starts up, the BIOS indicates 8024MB of RAM, through iLO you can see the system is configured with 8 x 1024MB memory, one 1024MB per bank.
Within Windows, on the properties of My Computer, it indicates the system IS using PAE(Physical Adress Extentions) but only 4GB ! This is WITH or WITHOUT the /PAE option in the boot file. We have many Opteron blades that use full system memory without any boot.ini options to specifiy /PAE option, always using hardware.
Could someone provide some tips of where to look ?
I've attached some screen shots.
2 REPLIES 2
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тАО02-24-2006 01:17 AM
тАО02-24-2006 01:17 AM
Re: bl25p only seeing 4GB out of 8GB RAM installed from OS
windows 2003 standard can only see 3.5/4GB. this is a limit of the operating system.
from the document below, this restriction is for intel only.
http://www.microsoft.com/whdc/system/platform/server/PAE/PAEdrv.mspx
steven
from the document below, this restriction is for intel only.
http://www.microsoft.com/whdc/system/platform/server/PAE/PAEdrv.mspx
steven
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тАО02-24-2006 01:20 AM
тАО02-24-2006 01:20 AM
Re: bl25p only seeing 4GB out of 8GB RAM installed from OS
Thanks Steven,
I should have known this. My mistake, the other blades are running Enterprise and they see all 8GB, this explains it.
Glenn
I should have known this. My mistake, the other blades are running Enterprise and they see all 8GB, this explains it.
Glenn
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