How to check PCI type and version of free PCI slot in Linux shell

Graphics Card Slot Types Explained gpu slot types Compatibility is an important feature of PCIe PCIe bus slots are typically backward-compatible with other types of PCIe slots, enabling PCIe links that use gpu slot width Therefore, some PCIe x16 slots might only have x8 PCIe lanes Usually, this wouldn't be problematic, even if you want to attach a GPU card to it

gpu slot size A slot that uses a 66 MHz PCI clock, always will use Volt signalling In fact there is no way to see from the connector if a slot is using a 33 MHz clock or