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Re: Where is COM 5 ?



Jonathan Neufeld wrote:
> 
> After installing Debian I installed a new USR Modem (not a winmodem, I'm
> sure) in one of my PCI slots.  I have an Asus K7V Athlon board with only
> PCI, if it makes any difference.  I have my BIOS handling Plug-n-play,
> and Win98 found the modem and went about installing the correct driver.
> Windows says the modem is at COM 5, IRQ 10.  Where the heck is COM 5 in
> /dev/?  Do I need to create a device called /dev/ttyS4, or is COM 5
> somewhere else?  Thanks.

"COM 5" doesn't really say anything, IRQ 10 is a start but you should
also find the I/O address of the port as well. "COM1" and "COM2" have a
generally accepted default settings (and COM3 and COM4 usually mirror
them) but nothing is written in stone that says these settings can be
something completely different.  As for a USR modem, what kind is it? i
installed a USR modem rather recently(V90 "faxmodem" i think it was, it
wasnt specified as either a sportster or a courier and was indeed a
hardware modem).  Take out the modem, take note of the FCC ID number on
it and look it up here:

http://www.o2.net/~gromitkc/20000827a.html

many modems(including the USR i installed) have step-by-step
installation instructions. NOTE!! you will probably have to play with
the PnP settings in the bios. My biggest problem with the USr modem i
installed is the system assigned it an I/O address but not an IRQ. It
was an award bios and turning "PnP OS" to the other option(forgot if it
was enabled or disabled i think it was to "disabled") to get the system
to assign it an IRQ. Once that happened i could setserial the serial
port and fire it up. altered the system's init scripts to make the
change permanent and it works great.

nate




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