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-- Palm Desktop and Com Ports (http://discussion.visorcentral.com/vcforum/showthread.php?threadid=1979)

I have an older computer and I just installed the Palm Desktop software. Currently, I have a serial mouse attached to Com1, and a Winmodem attached to Com2. There is what I think is another serial connector on my serial card that is 25pin d-shell. When I installed the software, it asked me where to put the Hotsync manager(Com1 or Com2). What do I need to do to not conflict with either of my other 2 devices.

Also, if the Hotsync manager and the modem share the same IRQ, can you not use avantgo?

If your mouse is plugged into a 9-pin D-sub com port and you know it's COM1, and your internal modem is COM2, then that 25-pin d-sub connector *should* be COM3.. that is, *IF* it really is a COMM port.

The best thing to do is see what Windows thinks it is. If you have Win95 or later, click once on My Computer, hold down ALT and press Enter. Move to the Device Manager tab, open up the PORTS tree and see how many COM ports are listed. If you see COM3, then that's probably what that 25-pin connector is. Good luck. I'm so rusty on Win3.1 these days that I can't remember if there's any easy way to tell or not.

The other option is to check your bios. That extra COM port *might* be disabled, especially if the Winmodem likes to be on COM2. I have an older Compaq and it's internal modem was set on COM2 while the external ports were COM1 and COM3.

The cradle and the modem sharing the same IRQ shouldn't be a big deal. They have different base hardware addresses and *should* (in theory) be able to share the IRQ successfully. COM1 & COM3 share, as do COM2 & COM4