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The user may see lower than expected available memory size (2.49GB available) on the Microsoft Windows XP or Windows 7 Control Panel even if the installed memory is larger than 4GB
The above symptom is associated with the following systems:
System is configured with:
For 32bit versions of Microsoft Windows XP or Windows 7, the maximum memory that can be addressed is 2^32=4GB of RAM. This RAM is shared by several parts of the system including the onboard graphic solution as well as several different kinds of PCI, ROM, and RAM components on the motherboard. The remaining unaddressed memory is available to the system for general usage.
The user should update the ThinkCentre M78 system BIOS to version 9ZKT37A, or later. This new system BIOS contains a change to increase the available system memory to 3.0GB.
Before 9ZKT37A BIOS updated:
After 9ZKT37A BIOS updated: