Using x16 pcie slot disables low package c states ASPM Alderlake

PCIe vs PCIX vs PCIe x1 vs PCIe x16 - SOS Forum pcie slot x16 The Matrox C900 PCIe x16 graphic card powers nine displays from a single board to easily build 3x3 video walls P690 Plus LP PCI Matrox P690 Plus LP PCI - pcie slot x16 PCIe compatibility and performance generates a LOT of confusion In Explaining PCIe Slots

pciex1_1 slot The only time the GPU x16 slot will drop down to x8 mode is if you install another card in the second PCIe x16 slot ( another GPU or a PCIe