I have a supermicro X9DRH-7F I am using for an unraid server as my media server for the last 2 years. Recently I had a sudden failure and all it would give me was 'System Initializing...' or hours when trying to start. Given the lac of info, I suspected the MB, so I replaced it with the same model. After replacing, I was getting the same error. Further researched revealed that my monitor was cutting off the right side of the total display. So hooked up a wider monitor and I could see the code 15. Research shows this is a generic code for CPU/Memory. So I replaced the memory. I was able to reboot past the system initializing and got to point where it said it could not find my drives and was asking to reconfigure. I declined. So now I believe it was the memory and not the MB, I put the old MB in place. It reboots after 2 seconds during powerup. This is new behavior, so I checked all my jumpers, my power connectors, and made sure all cards were seated properly. No change I am looking for a solution to the reboot upon powerup or how to get the new MB to recognize my drives so I don't lose the 3+ years of collecting media. Any thoughts, please and thank you