A8N-SLI w/4 GB but XP PRO shows only 3 GB-help

  • Thread starter Thread starter mogur2
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mogur2

I have 4 GB of Kingston RAM in my system but XP PRO only shows 3 GB. Bios does show the 4
GB.


On one site I found a link to the MS Knowledge base which told me to modify boot.ini and
make sure it is in the windows\system32 folder.

I have made the modification to read;

timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional"
/fastdetect/PAE

This is what Belarc Advisor shows;

3072 Megabytes Installed Memory

Slot 'A0' has 1024 MB
Slot 'A1' has 1024 MB
Slot 'A2' has 1024 MB
Slot 'A3' has 1024 MB

MyComputer/properties shows;
COMPUTER: AMD Athlon (tm) 64x2 Dual
Core Processor 4200+
2.21 GHZ, 3.00 GB of RAM
Physical Address Extension.

My MotherBoard is ASUS A8N-SLI
Board: ASUSTeK Computer INC. A8N-SLI 1.XX
Bus Clock: 200 megahertz
BIOS: Phoenix Technologies, LTD ASUS A8N-SLI ACPI BIOS Revision 1010-002 06/28/2005


I am still searching for answers.
 
mogur2 said:
I have 4 GB of Kingston RAM in my system but XP PRO only shows 3 GB. Bios does show the 4
GB.


On one site I found a link to the MS Knowledge base which told me to modify boot.ini and
make sure it is in the windows\system32 folder.

I have made the modification to read;

timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional"
/fastdetect/PAE
Click to expand...

Make sure the "Memory remap above 4GB" option is enabled in the BIOS.
This will remap some memory above 4GB so that memory spaced used up by
PCI and PCI Express devices won't cover it up. However, I'm not certain
that XP Pro will use memory above the 4GB boundary even with PAE
enabled. You might need a server version of Windows to do that, or else
XP 64-Bit Edition..
 
Robert said:
mogur2 said:
I have 4 GB of Kingston RAM in my system but XP PRO only shows 3 GB.
Bios does show the 4
GB.


On one site I found a link to the MS Knowledge base which told me to
modify boot.ini and
make sure it is in the windows\system32 folder.

I have made the modification to read;

timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP
Professional"
/fastdetect/PAE
Click to expand...


Make sure the "Memory remap above 4GB" option is enabled in the BIOS.
This will remap some memory above 4GB so that memory spaced used up by
PCI and PCI Express devices won't cover it up. However, I'm not certain
that XP Pro will use memory above the 4GB boundary even with PAE
enabled. You might need a server version of Windows to do that, or else
XP 64-Bit Edition..
Click to expand...
Unfortunately, WXP Pro will not support memory remapped above 4GB (even
though it does indeed support PAE). Windows 2003 server all support at
least 4GB ram (with the exception of the web edition which is limited to
2GB), the standard version just barely though (4GB - but in contrast to
WXP the memory may be remapped to above 4GB). The cheaper (and from a
technology point of view, much better) option, as Robert said, may be
the x64 WXP version. Linux is also quite happy to run with more than 4GB
of ram :-).

Roland
 
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