DDR reference plane continuity
When changing layers bottom to and from top reference plane is changed from GND to and from P1V5. In most cases closest P1V5 via is far away, cap for P1V5 even further.
When changing layers bottom to and from top reference plane is changed from GND to and from P1V5. In most cases closest P1V5 via is far away, cap for P1V5 even further.