Supported on Windows and Red Hat Enterprise Linux. Automatically senses and adapts to target I/O voltage. Interfaces to devices operating at 5V (TTL), 3.3V (LVCMOS), 2.5V, 1.8V, and1.5V. LED Status Indicator. CE, USB-IF, and FCC compliant Intended for development - not recommended for production programming. Pb-free (RoHS-compliant). Configuresall Xilinx devices