PC104C31 DSP Mainboard

	PC104C31 DSP Mainboard ©Roy Cleveland 5/25/00
		This is the DSP mainboard. It was designed and built by Arius, Inc. of Frederick, Maryland. The unit includes a Texas Instruments TMS320C31 Digital Signal Processor and is capable of 80 MFLOPs. Four FPGAs are use to consolidate the "glue" logic and lower production cost. The board was designed to provide a control and processing base for small, plug on I/O modules that can be designed for a variety of custom and semi-custom purposes.
	This is another view of the DSP Mainboard. In this view, the small 5 V to 3.3 V DC to DC converter can be seen. It is located in fromt of the large DSP IC. Also visible are the four Conan™ connectors on which the small I/O modules are plugged. The DSP board can be used as a standalone unit, but would normally be used with a host processor, such as a Intel Pentium on a PC/104 Plus card. The PC104C31 is capable of accepting two I/O daughter cards. The first of these, the AIO, is described elsewhere.
		This is a view of the underside of the PC104C31. Shown are the three quad flat pack FPGAs and the large FPGA that is in a Ball-Grid Array (BGA) package. This board was laid out in PADs Layout and assembled in Pennsylvania and Maryland. This board was used by PC Designs for testing the AIO cards.

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