Could be crazy Nothing new for MS. I'm just going by what others have said here on the list.
IIRC, wasn't there something in an old version of windows that if you had less than a certain amount of ram, you got one kernel driver or some low level software, but if you had more than say 128k or meg you got a different one. This was during the hardware detection phase of the install. Later if you upgraded the ram, you wouldn't see optimum performance unless you did a reinstall. I know, I'm showing my age here cause I think that was in Win95 or maybe 98. Maybe something similar is going on here. Mind you, I just guessing so take it for what it's worth. It just seems that people that had 4 gig in during the OS install can use almost all of it but others that have upgraded to 4 gig are losing access to as much as 500meg. From: David Lum [mailto:[EMAIL PROTECTED] Sent: Wednesday, January 09, 2008 9:39 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS What? You're saying 4GB needs to be exist at the time of install or else it won't see it later? That's crazy. Dave Lum - Systems Engineer [EMAIL PROTECTED] - (971)-222-1025 "When you step on the brakes your life is in your foot's hands" From: Glen Johnson [mailto:[EMAIL PROTECTED] Sent: Wednesday, January 09, 2008 6:19 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Thanks. I had looked there and didn't see anything that said either way. So since it doesn't say x64, guess that means it is x32. So I stand by my original statement, x32 standard windows 2003 R2 can see and use 4gig, give or take a few kb regardless of what blogs, white papers and such may say. Looks like the main thing is that the system must be at 4gig during the OS install. From: John Cook [mailto:[EMAIL PROTECTED] Sent: Wednesday, January 09, 2008 8:58 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS IIRC you can right click on the my computer icon, go to properties > general, and it will say x64 if it is. John W. Cook System Administrator Partnership For Strong Families 315 SE 2nd Ave Gainesville, Fl 32601 Office (352) 393-2741 x320 Cell (352) 215-6944 Fax (352) 393-2746 MCSE, MCTS, MCP+I,CompTIA A+, N+ From: Glen Johnson [mailto:[EMAIL PROTECTED] Sent: Wednesday, January 09, 2008 8:52 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS I'm 99.9% sure it is the x32 version. The original media doesn't say one way or the other and I'm not finding anything in any of the system properties that says either way. Anyone know how to tell after install if it is x32 or x64? Now conflicting info from MS is a new one for me. NOT. Anyway, from MSCONFIG, About windows says Physical Memory Available to Windows: 4,193,268 KB Task manager shows the same number for Physical Memory Total I just checked a second server that I know for certain has x32 and it shows 4,193,360 KB Looks like either the 4 gig has to be there when the OS is installed or could possibly be something different with Dell hardware, which both of these are. From: Krishna Reddy [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 5:58 PM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS No I did not. And if that is the case, that you need the 4 GB at time of install, then as far as I am concerned it does not support 4 GB of RAM. I talked to M$ directly and they said that in the x32 version of Win2K3, you will not get the full 4 GB of RAM, only on the x64 edition. You may have the x64 edition. Krishna Reddy IT Manager Nucomm, Inc. ________________________________________ From: Glen Johnson [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 4:09 PM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS I respectfully disagree here. See my previous post. Dell 2950 with Win2k3 R2 STD and it uses all 4gig. As a point of reference, did you have 4 gig in when the OS was installed? From: Krishna Reddy [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 2:56 PM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS I have the same issue with an IBM x346 with 4 GB of RAM. I do believe that Ken is right and that you lose that memory unless you are using Enterprise or x64 version of Standard. Krishna Reddy IT Manager Nucomm, Inc. ________________________________________ From: Ziots, Edward [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 11:16 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Trying to get a call into M$ right now, to settle this matter, figures looks like the powers that be didn't update the support contract.. Sigh. Why do I put myself thought this nonsense. Z ________________________________________ From: Joe Heaton [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 10:58 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Not meaning this towards you Ken, but that just seems like nonsense. Another reason not to like Microsoft. The literature on Server 2K3 Standard says you can use 4GB of RAM, and yet, they hard-coded a limit below that? Typical... Joe Heaton From: Ken Schaefer [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 6:06 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Nothing is going to change. You are running Windows Server 2003 Standard Edition x86. This has a built-in limitation (in the code) which prevents Windows using addresses beyond 0xFFFFFFFFF If you are using x86, put Enterprise Edition on there (with /PAE). Or put x64 Standard Edition on there. The limitation you are running into is hard coded into the OS. Cheers Ken From: Ziots, Edward [mailto:[EMAIL PROTECTED] Sent: Wednesday, 9 January 2008 1:01 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Bingo, That is what I was looking for. I will follow up and try out the /PAE switch and see if anything changes. I take that my previous post with the boot.ini settings is the correct usage of the /PAE switch. Z ________________________________________ From: Ken Schaefer [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 08, 2008 8:56 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Some says that it's because the BIOS reserves 512MB "physical" address space just below the 4GB line and put the real 512MB RAM above the line. Thus only the PAE kernel sees that 512MB RAM. This isn't a correct explanation of what you are seeing. The BIOS doesn't reserve "RAM". PCI (and PCI-X and PCIe) devices can reserve memory addresses. These overlap with addresses that the Windows OS uses. The BIOS has masked these addresses, making the unavailable to Windows to address the physical RAM. The use of the /PAE switch enables three layers of page tables to be used. If you are familiar with B-trees in databases, you'll be familiar with the concept of tables of tables of pages of memory (3 layers). Without PAE you only get tables of pages (two layers). The extra layer of tables makes available a whole set of addresses that wouldn't otherwise be available. These addresses can be used to address the physical RAM that Windows can't otherwise get to. Cheers Ken From: Ziots, Edward [mailto:[EMAIL PROTECTED] Sent: Wednesday, 9 January 2008 12:41 AM To: NT System Admin Issues Subject: RE: HP DL380 G5 and Win2k3 R2 Standard not showing maximum memory in OS Ken, No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.17.13/1213 - Release Date: 1/7/2008 9:14 AM No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.17.13/1213 - Release Date: 1/7/2008 9:14 AM The information contained in this email and attachments to this email are the proprietary and confidential property of Nucomm, Inc. 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