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

A peripheral component interconnect expansion slot is a type of slot that allows you to add additional cards to your computer system These slots are

Micro Box 486 A true 486 ISA slot industrial desktop wallmount computer This ESA proprietary system is ready for your ISA cards with 8 available ISA slots (

pick slot The following image shows the PCI connections of the motherboard used in DuroPC's IMB540-4 Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8

pictures of slot machines How to check PCI type and version of free PCI slot in Linux shell and I also know how to check what PCI type and version are all the slots in