Hi Gang, I also am thinking it is not a S/W problem, unless someone could logically explain otherwise. Perhaps RFI or Ground Loop? In these cases, I am sure nobody 'hot plugged' devices with either t
I think it may be possible for a bad combination of software and cable/device to burn out a parallel port. For example, if the UserPort software happens to hold a particular parallel port output sign
I am used to the problem that if there is too much load (i.e. too low of a resistance) on a TTL circuit that it simply loads it down and the signal levels decrease, eventually to the point where they