PCIE-PA1is a PCIE to 1 Single Ports Parallel/DB25 Card.It is based on ASIX Moschip 99XX solution.Allow users add 1 Parallel/DB25/LPT port on PCs,Servers or Industrial Enqiupment by a signle PCIE slot.Full support IEEE 1824 protocol and compatible with ECP (enhanced capability port),EPP (enhanced parallel port) and SPP (standard parallel port ) will seamless connect to most parallel port peripherals device such as printers,scanners,CD-R/RW drives,memory card readers,bar code scanners etc NOTE: 1.Make sure PCs have free PCIE slot. 2.Please change to Low Profile Bracket if using Slim PCs. 3.Please refer user manual install correct driver from Mini CD for Running PCs System. Compatible System: Linux need to refer compile source code in mini CD. Need to install driver on Windows CE,XP,Vista,7,8.0,8.1,10(32/64bit) systems. Package List: 1X PCIE-PA1 1X Mini CD 1XUser Manual 1X Low Profile Bracket