Tyan Thunder n6650W S2915A2NRF-E

Serial Port: 9-pin RS-232 port for connecting serial data devices (also known as a COM port).

Coaxial S/PDIF Out: Digital audio output port compatible with coaxial S/PDIF cables / devices.

PS/2 Mouse Port: Connection for a PS/2 mouse.

PS/2 Keyboard Port: Connection for a PS/2 keyboard.

USB 2.0 Port(s): Universal Serial Bus (USB) port for connecting USB 2.0 and older devices (480 Mb/s).

Firewire Port (IEEE 1394a): IEEE 1394a port, also known as Firewire A, is an older standard for high-speed device connectivity.

Gigabit LAN Port (RJ-45): RJ-45 plug for connecting to a wired Local Area Network (LAN) via Ethernet at up to 1000 Mbps.

Audio Jacks: 3.5mm analog audio jacks for various input and output functions (see manual for more information).