1、DB25PIN PARALLEL PORT: The Parallel pcie card provides a single DB25Pin parallel port on desktop computers and industrial equipment, allowing users to fully parallelize port peripherals such as printers, scanners, CD ROM drives, memory card readers, barcode scanners, and many more parallel port devices. 2、SUPPORT IEEE 1284: DB25 pcie parallel card fully supports IEEE 1284 protocol, supports ECP (Enhanced Capability Port), EPP (Enhanced Parallel Port), SPP (Standard Parallel Port), Nibble, Byte modes, and works on most parallel port peripherals. 3、MAXIMUM 2.5MBPS: PCIE DB25 parallel port card by for ASIX AX99100 PCIE Selective Parallel Host Controller. Provides communicate speeds up to 2.5 Mbps. Will be compatible with most for Intel, and for ARM platform hardware on for Windows operating systems and for Linux kernel systems. 4、SYSTEM REQUIREMENTS: For Windows 11, 10, 8.x, 7, for Vista, for XP (32/64), for Windows Server 2003, 2003R2, 2008, 2008R2, 2012, 2012R2, 2016, 2019, 2022. for Linux kernel, 2.6, x, 3.x , 4.x, 5.x. 5、COMPATIBLE SLOTS: PCIE X1 interface is compatible with PCIE X1, X2, X4, X8, X16 slots.Equipped with full height bracket and thin bracket.Full height bracket is suitable for standard size PCs and ultra thin PCs.