1.PCIE-SE2PA1 allow users add 1 signle port parallel/DB25/LPT and 2 Serial Ports with 16C550 UART on desktop PCs or Industrial device to help users full use old type parallel and serial peripherals devices. | 2. Based on ASIX Moschip 99XX single chip solution will add 1 parallel 2 serial ports from mother board PCI express slot .PCIE X1 design compatible with PCIE X1 X4 X8 X16 slot. Low profile bracket included support both slim PCs and full size PCs. | 3.Dual Serial/DB9/RS232/COM ports support on chip 256-byte depth FIFO in transmit for POS system,industrial testing and control device, security system, logistic management equipment etc. | 4.Parallel Port provide 1.5Mbps data speed and 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 devices such as printers,scanners,CD-R/RW drives,memory card readers,bar code scanners etc | 5.Need to install driver on Windows CE,XP,Vista,7,8.0,8.1,10(32/64bit) systems. Linux need to refer compile source code in mini CD. Driver Download:www.linkstek.com LinksTek tech-support:[email protected]