The Atmel STK500 must be powered with 10-15V DC from a power supply capable of delivering at least 500mA.
Connect a serial cable to the connector marked RS232CTRL on the evaluation board to a COM port on the PC as shown in the figure. Install Atmel Studio software on the PC.
To program AT90S8515, connect the supplied 6-wire cable between the ISP6 PIN header and the SPROG3 target ISP header. "ISP Programming" describes the programming cable connections.