PCIe CARD WITH SERIAL AND PARALLEL PORT: Using a x1 PCIe 2.0 slot, add a DB25 parallel and a DB9 RS232 port to your computer; Card installs in full/standard profile PCIe slot; PCIe expansion combo card adds LPT Printer and COM serial ports working with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscopes PCI Express RS232 serial/parallel adapter card is compliant with PCI-E Base Spec. Rev. 2 & PCI Power Mgmt 1.2; Windows (7 and up) Windows Server (2003 and up) and Linux (2.4 and up); Auto IRQ & IO assignment; Supports IRQ Sharing