What is a PCI Slot?

Typically they will all be PCI Express, but for a graphics card you need a PCI Express x16 slot 1 lane 'big' and wired for the 1 lane These

I get slot Slot 1-3 with dmidecode lspci -s with these slot numbers return me each two devices from type PCI bridge If I use

pcie slot size If you've got a x16 slot your going to have to find the right IOU 0 or 1 port and set it to x8x8 or whatever you want Set all of them and save

pcie x 16 slot You can install PCIPCIe cards with the following configuration Slot 1, Slot 2 PCI x 1 + PCIe x 1, PCI, PCIe PCIe x 2, PCIe1, PCIe2 PCI x 2, PCI1, PCI2