Serial Port Build-in 16C550 compatible UART with 16 byte transmit-receive FIFO, Fast data rates up to 1 Mbytes/sec, able to support 16C650 (32 byte FIFO), 16C750 (64 byte FIFO), 16C850 (128 byte FIFO) compatible (Not all version) support serial devices automated teller machine, Bar-Code Reader, Digital Camera, Digitizing Tablet, External modem, Finger Print, Identification, Infra-Red Transceiver, ISDN T/A, Multi-Modem Dial-up Server etc. Easy Plug and installation automatically selects IRQ and I/O address. Supports PCI IRQ sharing-saves valuable resources for other expansion card. Support 32-bit PCI Bus, PCI Specification 2.1. Support Re-mapping to Legacy Address. Supports more than one card into system.