Stuck at System Initializing

After a routine SATA cable change, my Supermicro A1SRi-2558F motherboard simply wouldn’t boot. From its fortunate IPMI interface I saw it was hanging at “System initializing…” with code 19 being prominently in bottom right corner.

As only thing I did was to replace SATA cable, I first returned the old one to be greeted with the same issue. It took retracing my steps to I notice I replaced memory module into the wrong slot (had to remove it to more easily reach SATA connector latch). Since this motherboard does require DIMMs to be fitted in certain order, error was clearly mine but two things confuse me.

First one is why I haven’t got beep notification that something is wrong with memory. This board does beep at you if there is no memory (5 short, 1 long) but there is not a beep if memory is incorrectly installed. Why?

Secondly, why the heck IPMI doesn’t include more details about system status - dare I say useful error log? If memory is wrongly installed, I should be able to see an error message in log. With this I am scared how ECC experience is going to look like - will it just simply fail without a message?

In any case, reinstalling the memory module at the correct spot did the trick and board happily worked ever since. :)