Anonymous_User Absent Member.
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Dell Memory Question

Ignore my other post with just a subject line. Fat-fingered the Enter key.

Not sure where best to post this question so it wound up here. Anyway, we
have both Dell 2650 and 2850 servers with 4GB of RAM. Netware 6.5 reports
3,931,643 Kilobytes on the 2650s (MEMORY command) and 3,669,374 Kilobytes
with 524,288 Kilobytes Extended memory on the 2850s. Anyone know why this
is? I looked at the BIOS settings on the 2850s and don't see any settings
that appear to apply to this. I rather just see a single chunk of memory
on the 2850 as on the 2650.

-Chuck
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6 Replies
Anonymous_User Absent Member.
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Re: Dell Memory Question

Many PCI devices need need memory address space for certain functions.
Because of this, computers reserve a certain amount of the memory space
below 4GB to PCI cards and that address space is not available for RAM.
The amount of address space reserved varies from one computer to another,
and it can typically fo up to half a Gigabyte.
Now if you have 4GB of RAM or more, than some of the memory below 4GB is
lost. For some servers, the "lost" RAM is remapped above 4GB, and this
seems to be the case for your 2850. For other, especial older servers, the
memory that cannot be mapped below 4GB is simply lost, and that seems to
be the case for your 2650.
So in essence, the difference in behaviour you see is due to the hardware
differences between the 2 servers.

--
Marcel Cox (using XanaNews 1.18.1.3)
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Anonymous_User Absent Member.
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Re: Dell Memory Question

chuck_perilli_nospam@navyfederal.org wrote:

>I rather just see a single chunk of memory
>on the 2850 as on the 2650.


so would I - but Dell says that it is because of the new PCI-X
architecture - they map up to 1GB of memory for PCI in the first 4GB, so
up to 1GB gets presented as Extended Memory (better than losing it, I
guess).

--
Joe Moore
Novell Support Forums SysOp
http://just.fdisk-it.com
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http://www.caledonia.net/nesadmin.html
http://www.caledonia.net/jmttb.html
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Anonymous_User Absent Member.
Absent Member.

Re: Dell Memory Question

Marcel and Joe have answered the memory report question, but as these
are new installs, I'm assuming NW 6.5 SP5 ISO's. If this is the case,
are you also installing the post SP5 updates to NSS and Server.exe?


--
Barry Schnur
Novell Support Connection Volunteer Sysop
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Anonymous_User Absent Member.
Absent Member.

Re: Dell Memory Question

Thanks for info all. That answers the question. Installed SP5, N65NSS5A
and NW65OS5A yesterday.

-Chuck


> Marcel and Joe have answered the memory report question, but as these
> are new installs, I'm assuming NW 6.5 SP5 ISO's. If this is the case,
> are you also installing the post SP5 updates to NSS and Server.exe?
>
>
> --
> Barry Schnur
> Novell Support Connection Volunteer Sysop


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Anonymous_User Absent Member.
Absent Member.

Re: Dell Memory Question

> Thanks for info all. That answers the question. Installed SP5, N65NSS5A
> and NW65OS5A yesterday.
>

OK -- and you are current with the released post SP5 updates (there are
some in beta as well for other areas).

--
Barry Schnur
Novell Support Connection Volunteer Sysop
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Anonymous_User Absent Member.
Absent Member.

Re: Dell Memory Question

Also installed the NWFTPD12 update on the boxes that are running FTP.

I saw some undesirable memory stats on one of the servers this morning
(shrinking logical space). It's got a lot of "stuff" running on it. The
other basic file/print servers look fine. Looks like the new SERVER.EXE
and auto tune still has some issues. I just MEMCALCed it and rebooted.
Hopefully, that will fix the problem. Things were so much simpler in the
3.x days...servers would run for years without messing with them. Now I
spend roughly as much time babysitting our Netware boxes as Windows 2K and
2K3 servers. Guess that's progress...

Thanks,

-Chuck



> Thanks for info all. That answers the question. Installed SP5,

N65NSS5A
> > and NW65OS5A yesterday.
> >

> OK -- and you are current with the released post SP5 updates (there are
> some in beta as well for other areas).
>
> --
> Barry Schnur
> Novell Support Connection Volunteer Sysop


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