The system memory that is reported in the System Information dialog box in Windows Vista is less than you expect if 4 GB of RAM is installed - Microsoft SupportWindows Vista Business Windows Vista Enterprise Windows Vista Home Basic Windows Vista Home Premium Windows Vista Starter Windows Vista Ultimate Windows Vista Enterprise 64-bit Edition Windows Vista Home Basic 64-bit Edition Windows Vista Home Premium 64-bit Edition Windows Vista Ultimate 64-bit Edition Windows Vista Business 64-bit Edition More...Less Symptoms If a computer has 4 gigabytes (GB) o
