serial ports'

[Clare Snyder]

An rs232 port is an rs232 port - so the old slowpoke and the hyperspeed laptop
ports ARE compatible.
However, the laptop institutes power management on several levels. At the bios
level some laptops shut down ports when on battery - so you need to make sure
the port exists both on battery and AC. Then Windows takes control, if you are
running windows, and assigns the port, controlling power again.
On many laptops com1 is the IRDA device by default, with the com port being com
2. Make certain of the port assignment in Bios.
Another possible scenario is a reversed port. The port can be set up as the
sender or the responder - in simple terms. If the old system was set up one way,
and the new the other, a Nul Modem will solve the problem. Old computers could
be configured either way - most laptops cannot.

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