Revisions

Howard Dutton More serial info
Howard Dutton Corrected/better serial port info
Howard Dutton Formatting
Howard Dutton Updated info.
Howard Dutton Instructions for getting a better look at the graphic.
Howard Dutton Added M2 switching comment about other drivers.
Howard Dutton Removed DRV8825 16X/4X it's really 16/1 and not useful
Howard Dutton Fixed typo
Howard Dutton Updated M2 drivers/instructions
Howard Dutton Added comment about heater power connector
Howard Dutton Formatting
Howard Dutton Corrected D4/D5 tone/rect
Howard Dutton Formatting
Howard Dutton More detail
Howard Dutton More detail
Howard Dutton Formatting
Howard Dutton Updated image
Howard Dutton Added new graphic
Howard Dutton Added new graphic
Howard Dutton Initial RAMPS 1.4, 1.5, 1.6 page