Aug 29, 2017 #1 Y yan.ding Newbie level 3 Joined Oct 6, 2008 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,305 Reading the PSU's F/W information through the PMBus, and the returned information is n/a. After changing the pull-up resisitor from 2K to 2.7K on the BMC_PSU_CLK, this problem was solved. Wonder why please
Reading the PSU's F/W information through the PMBus, and the returned information is n/a. After changing the pull-up resisitor from 2K to 2.7K on the BMC_PSU_CLK, this problem was solved. Wonder why please
Aug 29, 2017 #2 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,155 Helped 4,868 Reputation 9,757 Reaction score 5,535 Trophy points 1,393 Activity points 168,327 Hi, Use a scope and compare the signals. (Levels, timing, ringing..) Klaus