I have fans attached to all three of those motherboard headers and nothing appears in the EC sensor portion. They show up under the ITE IT8792E sensor.
In the main window, hardware tree, SMBIOS DMI the first PCIE slot (PCIE1) is referred to as "Slot Type: PCI Express x8" and "Slot Data Bus Width: x8 / x8". Elsewhere in the software when looking at the GPU information it correctly identifies it as running at PCIE v4.0 x16 @ x16.
In the new...