Which of the following statements applies to the x445 memory subsystem？（）

• A、With XA-32 architecture， addressing more than 64GB of RAM can be installed.
• B、The amount of memory should be balanced across ports for best performance.
• C、All DIMM slots should be populated in numerical order - slot 1 before slot 2， slot 2 before slot 3， etc.
• D、All even number DIMM slots should be populated before odd number DIMM slots.