My apologies for wasting bandwidth. In fact this is a AMD K6-2 550mhz, so according to benchmark is running at expected speed of .400. I really should make sure of my facts before I launch into print. Many thanks anyway to those who responded to me directly. Tony Gott _________________________________________________________________________ Unsubscribe & list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.exu.ilstu.edu/mersenne/faq-mers.txt