Why does BIOS Setup display 3072MB system memory size, although 4096MB memory is installed on the motherboard?
BIOS Setup displays 3072MB system memory size, although 4096MB memory is installed on the motherboard.
Please confirm the correct information using VAIO Control Center
1. Click Start - All Programs
2. Click VAIO Control Center - System Information
3. Double-click the System Information option and verify the memory information.
You also can visit http://support.microsoft.com/kb/929605/en-us for further information.