Spartan-3 User Manual Brandname: Xilinx Category: Motherboard Total Pages: 65 Table of contents TableofContents3AboutThisGuide5Introduction7ComponentLocations9FastAsynchronousSram11AddressBusConnections12SwitchesandLeds19Leds20VgaPort21VgaSignalTiming24Ps2MousekeyboardPort27Keyboard28Mouse30VoltageSupply31Rs-232SerialPort33ClockSources35FpgaConfigurationModesand36