So, I cant figure out what gen is this, what source of info should I trust?
The chassis does not have any markings like II or III, which would mean Gen1. But then, both DRAC and OpenManage say that the system revision is II, meaning Gen2. Also the list of parts in the machine in OpenManage shows the board number and google shows its Gen2. maybe the motherboard is swapped in it?
Should I trust to DRAC and OpenManage that it is Gen2 so its able to upgrade to 5300 series Xeons, even when chassis has no markings.