A PCI Express single parallel port card that can be connected to parallel devices such as printers, programmers, scanners, etc. Supports a variety of mainstream operating systems, including for Windows, MAC and Linux. The product uses a PCI Express x1 slot that can be installed in a variety of PCI Express slots (including 4x 8x16x). Specifications: Compliant with PCI-Express Specification Revision 1.1 Built-in SPP, PS2, EPP, ECP compatible IEEE 1284 printing protocol No switch without jumper, easy to set up with software 32-bit bus design, supporting PCI 2.1 specification Use high speed I/O controller (16C550C or compatible UART) Support 8CM short iron piece Support DOS, Windows 8 / 7 / Vista / XP / 2000 / Server 2003-2008 32/64-bit, Linux & Mac OS/X 10.5 and other operating systems Parallel interface (LPT) Comply with IEEE 1284 parallel port protocol I/O address: assigned by BIOS IRQ: Assigned by BIOS Support: SPP, PS2, EPP & ECP and mode Main chip: 9805 chip Support: For Windows95/98/98SE/2000/ME/NT4.0/XP, Linux, DOS, VISTA, WIN7 Built-in 16 Byte FIFO 32-bit bus design, supporting PCI 2.1 specification Interface: PCI-E-TO- parallel port (25 holes) Package List: 1 * LPT Card 1 * Cover Board