Re: slightly off topic, serial port enumeration problem

Tech-Archive recommends: Fix windows errors by optimizing your registry

provide a serial number for the usb device. that way, the OS can track the
device from port to port

d

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"Floyd Burger" <floyd@xxxxxxxxxxxx> wrote in message
news:OI0$a2$TFHA.2128@xxxxxxxxxxxxxxxxxxxxxxx
> This is admitably slightly off topic, but the collective knowledge of this
> group can probably help me. I use a lot of USB-serial adapters, most of
> them ATEN UC-232A. When one of these is inserted a virtual serial port is
> created, when the adapter is removed the virtual serial port goes away.
> The problem is that when that same adapter is inserted again, it creates a
> new virtual serial port using the next available COM port number. I'm now
> up to COM196, which is quite annoying when I only have 6 of these devices.
> It's possible to change the port mapping for each device after it is
> installed, and all of the ports which this device used in previous
> insertions are showing up as being in-use.
> Does anyone know how to force the driver to use the same port for the
> same physical device? How about how to remove those phantom ports once
> the adapter is removed?
>
> --
> Floyd
>
>


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