Compliant with PCI Express Specification Rev 1.1Parallel Port - Compliant with IEEE 1284 standard; Supports ECP/EPP/SPP; Supports Bi-Directional data transmission of speed up to 2MByte/sSerial Port - Compatible with 16C550/16C552/16C554 and 16C750 UART; Supports 256-byte FIFO buffer; Supports 5-6-7-8-bit serial format; Data transfer rate up to 115Kbps on each portStandard and Low Profile Bracket IncludedSupported OS: Windows 98SE / ME / XP / Vista / 7 / 8 / 8.1 / 10; Windows Server 2000 / 2003 / 2008 / 2016; DOS; Linux The XM-PEX-1P2S Dual Serial/RS-232 Port plus Single Parallel Port PCI Express (PCIe) Adapter card is designed to add two DB9 9-pin RS-232 serial ports and one DB25 25-pin parallel port to your PCI Express enabled desktop computer. The parallel port supports ECP, EPP and SPP parallel port modes for optimal performance and compatibility. This high performance combo adapter card is perfect for connecting printers, scanners, CD-R/RW drives, bar code scanners and more. Both standard and low profile bracket are provided to accommodate any form factor of computer system. Track Page Views WithAuctiva's Counter