"Dave" wrote in message
> Hi there
> I can't get Psiwin to works over a USB to Serial connection using WinXP.
> That said it works for a while (2/3 minutes) and then reboots the machine.
> I have experienced this with different laptops and USB to Serial adapters.

Psi-Win is not happy with USB to RS-232 links. It rarely works perfectly.
That said, mine will backup quite happily for around 10 minutes at what
appers to be full speed, then completely slows down to a snail's pace.