Try rhis link. http://www.aa5au.com/usb it is from the RTTY contesting website of AA5AU 73 Larry W0ETC --- PY5EG <py5eg at inepar.com.br> wrote: Hi Friends: I know this subject has been discussed previously, but I would like to know what is the best solution to use Writelog and Dx 4win on those new lap tops with USB and no serial port. There are several manufacturers of adaptors USB to serial, but I really don't know which one is effectively working with ham softwares. Can somebody help me? Thanks in advance Oms PY5EG _______________________________________________ WriteLog mailing list WriteLog at contesting.com http://lists.contesting.com/mailman/listinfo/writelog