I just rescued this Samsung 4x20 VFD from a dumpster. Its PN is 20S401DA1, and its specs can be found at: http://apollodisplays.com/pdf/20s401da1.pdf I hooked everything up through the serial port and everything seems to be working. Its running a sort of test pattern right now, where it will cycle through all the characters it displays over and over. So now I need some help finding a program that will let me use the vfd for things like winamp, cpu temps, etc. can anyone help me?