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RAM Detection IN Intel S5000VSA


Total 4GB RAM installed in the server but,

Available RAM is 2.49GB. Operating System is Windows Server 2003 R2 Standard Edition Service Pack 2.

Board: Intel S5000VSA


Serial Number: QSSA82800020


Bus Clock: 1333 megahertz


BIOS: Intel Corporation S5000.86B.10.00.0088.031420081550 03/14/2008

Memory Modules c,d

2554 Megabytes Usable Installed Memory 


Slot 'ONBOARD DIMM_A1' has 2048 MB (serial number 5340E808) Slot 'ONBOARD DIMM_A2' is Empty


Slot 'ONBOARD DIMM_A3' is Empty


Slot 'ONBOARD DIMM_A4' is Empty


Slot 'ONBOARD DIMM_B1' has 2048 MB (serial number 5340E810) Slot 'ONBOARD DIMM_B2' is Empty Slot 'ONBOARD DIMM_B3' is Empty Slot 'ONBOARD DIMM_B4' is Empty
1 Reply

This is the limitation of IA-32 architecture and 32-bit OS - the total addressable memory is 4GB, and certain memory range below 4GB is reserved for BIOS, PCI-E device, VGA, etc. See

64-bit operating system can use memory above 4GB. If you have to use 32-but OS, try the following BIOS setting to get more usable memory:

Advanced => PCI Configuration => Memory Mapped I/O Start Address => 3.5GB

Note: If any device is not working properly after you choose 3.5GB, try 3.25GB, 3.0GB and 2.75GB in order until all devices are working properly.

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