Can you explain? What have you done that requires COM2? Laplink 5 works just fine with me, especially with parallel port but also with serial transmissions. The only thing I have a preference for is using the TP500 to control the serial transmission (to keep the hard disk and port awake). Bernard Bernard Murray, Ph.D. bernard@elsie.nci.nih.gov (National Cancer Institute, NIH, Bethesda MD, USA)