Buy GODSHARK PCIe Serial Expansion Card, 2 Port PCI Express 1.0 x 1 to Industrial DB9 COM RS232 Converter Adapter Controller for Desktop PC (Will Also Work on PCI-E x4, x8, x16
PCI-E Express 1.0 To USB 3.0 X4 Adapter | eBay
PCI-10S PICMG 1.0 Full Size Passive Backplane with four PCI and five ISA Slots | Industrial PC Pro