On Mon, Apr 24, 2006 at 02:51:09PM -0700, James Ausmus wrote

> To check for serial port support in your kernel, do:
> cd /usr/src/linux
> make menuconfig
> go to Device Drivers -> Character Devices -> Serial Drivers
> Then make sure that "8250/16550 and compatible serial support" has
> either a * or an M

  One more booby-trap.  Is your modem an external modem that plugs into
the serial port?  No problem.  If it's an internal PCI modem (not
necessarily a "Winmodem") it will *NOT* work on the 4 standard COM ports
ttyS0..ttyS3 (COM1:..COM4: in DOS-speak).  It uses ttyS4 (COM5: in DOS)
or higher.  The *DEFAULT* is to support only the 4 standard ports.  To
support more ports (required for PCI modems) you must go to the menu
above and specify 5 or more ports, like so...

  (5)   Maximum number of 8250/16550 serial ports

  That one drove me nuts on my old Dell.  I had gone out of my way to
order a real PCI modem.  It worked fine on Redhat 7.1 through 9.0, but
simply wouldn't show up on some other distros.

-- 
Walter Dnes <[EMAIL PROTECTED]> In linux /sbin/init is Job #1
My musings on technology and security at http://tech_sec.blog.ca
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