100% Linux Compatible , Hassle Free The Matrix-500 is a true Linux computing platform and it supports versatile file systems. Users can operate the Matrix-500 the same way as they do on a normal Linux desktop. Support Wire and Wireless Networking The Matrix-500 comes one standard 10/100Mbps Ethernet port for wired networking. Besides, it is easy to add IEEE-802.11b/g WiFi support by simply plugging an USB WiFi dongle into the Matrix-500. Four High Speed TTYs (Serial Interface) Also, the Matrix-500 provides four 921.6Kbps high-speed TTY ports for communication with RS-232/422/485 devices. Port 1 can be configured as RS-232, RS-422 or RS-485. Port 2 features full RS-232 supporting for modem connection. Port 3 and Port 4 support standard RS-232s. Optional 2GB SD Card for Data Storage Users can install one standard SD Flash memory card, up to 2GB now, into the Matrix-500 as an additional hard drive. This means the Matrix-500 can hold huge amount of data or web pages, which is a must-have feature needed for Web-base remote monitoring and control. GNU Tool Chain for Application Development Open-source GNU Tool Chain, including C/C++ cross-compiler and POSIX standard C/C++ library, is bundled with the Matrix-500 for free.