They will both run at x4 but you need to configure them as such in the BIOS. The socket designated 2_1 can be set to [Auto] [SATA] or [PCIe], I suggest setting this to [PCIe]. The setting is in the Advanced Menu under the Onboard Devices Configurati...
The fan header connection on the 115i is only really there to satisfy the motherboard that there is cooling applied to the CPU. The power for the AIO is drawn via the SATA connector which is relayed to the fans themselves via the wires that come out ...
The issue appears to be caused by the Nahimic service generating an error which it then copies as text to the clipboard, this copy replaces whatever you have personally copied to the clipboard. I have found that if you disable the Nahimic service an...