1Easy Setup: Plug and play, automatic IRQ and 1/0 address assignment. No switch and no jumper, easy to set up with software. 232 Bit Bus Design: 32 bit bus design, supports PCI 1 specification, with high speed I/0 controller (16C550C or compatible UART). 3Nice Transfer Rate: Built in SPP,PS2,EPP or ECP, compatible IEEE1284 printing protocol, transfer rate up to 5 Mbytes/sec, built in 16 byte FIFO. 4Easy to Carry: Easy to carry, you can carry this card around with you at any time when you need. Can be easily stored when you don't need; won't take up too much space. 5Applicable Scenarios: One machine can be connected to multiple parallel ports, supporting for Windows95, for 98198SE, for 2000, for XP and for LINUX, if you happen to have related needs, then this one is suitable for you.