Usb powered from computer (9 volt adapter is no longer needed for programming)
8 position map switching function built in (map switch not included)
Gear input (allows for map adjustment based on gear and speed)
Analog input (allows user to install any 0-5 volt sensor and build an adjustment table based on its input such as boost or temperature)
16 throttle position columns (up from 9 on PCIIIusb)
enhanced "accel pump" utility (increased adjustment and sensitivity ranges)