The PPMC750/755 reference design is a single board computer that enables development to begin before the hardware is available. This board provides a live target to start evaluating, developing, testing and prototyping application code. Wind River4s PPMC750 or PPMC755 comes standard with 64MB of SDRAM and 4MB of flash. It is user expandable to 256MB of SDRAM and 8MB of flash. It also includes 1MB of on-board synchronous burst SRAM cache memory. Like all Wind River reference designs, the PPMC750 and PPMC755 comes complete with detailed schematics, board support package, visionBOOT boot loader, user documentation, and power supply.