PCI Express Card 2x Serial, 2x RS232 9-pin external, 16C450/16C550 UART specification referred, Chipset: ASIX AX99100, Maximum Speed: 115200 bps, Supports 256 Byte Transmit - Receive FIFO, Supports Windows, Linux and DOS

5.1 Sound effect, Connector: USB 2.0 Typ A male, Output Microphone: 3.5 mm jack, Input Speaker: 3.5 mm jack,