"Whether or not having a high BW scope would be helpful to detect signal integrity issue is not clear to me" Indeed. Even if you have an instrument, and the s

"Whether or not having a high BW scope would be helpful to detect signal integrity issue is not clear to me" Indeed. Even if you have an instrument, and the skill to operate it and produced a meaningful result that reveals some problem, that doesn't spell out a solution. It may help, but high frequency is subtle.