Using a 1 x PCI Express 2.0 Gen 1 slot, add a DB25 parallel communications port to your computer; installs in full/standard or low-profile PCIe card slots (brackets incl.). Parallel port LPT controller card supports SPP/Byte/Nibble/ECP modes | Compatible with IEEE 1284 | Speeds up to 2.5 Mb/s | Asix AX99100 chip | Full profile bracket pre-installed Parallel port expansion card works with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscopes, etc. Fully compliant with PCI Express Base Specifications Revision 1.1 and PCI Power Mgmt 1.2; Compatible with PCIe x1 slot and up; Supports Windows (incl. XP and up) Windows Server (2003 and up) and Linux (2.6.X and up)