Peter Farrow <peter at farrows.org> wrote: > MO = "Magneto Optical" > http://www.usbyte.com/common/MOsystems.htm MO, as implemented by DVD-RAM, is also called "Phase Dual" sometimes. Both "Phase Change" and "Phase Dual" have very high error rates at write-time. It is typically 10,000x worse than typical magnetic or WORM (write-once) optical media. I.e., error rates are 10^9, instead of 10^13, meaning you can expect 5 errors for every full DVD. -- Bryan J. Smith | Sent from Yahoo Mail mailto:b.j.smith at ieee.org | (please excuse any http://thebs413.blogspot.com/ | missing headers)