Intuitive graphical displays are provided for embedded systems by the Thin Client, a 32-bit StrongARM-based single-board computer. The unit runs Windows CE, Wind Rivers' VXWorks, and Sun's Java operating systems. On board is up to 64 Mbytes of program DRAM and up to 16 Mbytes of flash. A configurable quad UART provides RS-232, RS-422 and RS-485 connectivity. A full complement of peripherals is also included.