The TPC-660G has a 16-bit PC/104 expansion slot designed to provide a dependable and convenient way to add on functions. Also included are a fanless cooling system, RS-485 automatic data flow control, and one CompactFlash slot. With support for Windows XP/CE and WinXPe, the TPC-660G features a slim, compact design, plastic housing and a front panel that is NEMA4/IP65 complaint. Advantech Corp., eAutomation Groupwww.eautomationpro.com/us800.205.7940