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Re: muLinux

From: Doug Sutherland <>
Date: Mon, 3 Sep 2001 12:37:07 -0700

The Raven wrote:

> if I set my PCMCIA ports on my laptop to be a com port (in BIOS) will
> muLinux detect my modem? (a megahertz 14,4)...if not...then how can I get
> muLinux to detect it...I have SRV addon installed (as well as X) so I
> should have PCMCIA support....am I missing an important step in configuring
> the PCMCIA stuff?

I'm not familiar with muLinux, but on x86 linux sometimes you need to 
tweak the /etc/pcmcia/serial.opts to force it to use a particular 
interrupt (IRQ) or exclude interrupts that might already be in use by 
other devices. Same goes for device address (aka port or IO address). 

The "setserial" command that works for ISA serial cards does NOT work
for PCMCIA serial cards. If you need to set the IRQ, port (IO address),
or UART type, you can specify these in /etc/pcmcia/serial.opts (at 
least you can on x86 linux).

When you plug the PCMCIA modem card in, take a look at the system logs
(usually /var/log/messages) and see if the kernel recognized the card.
Usually you will see a message stating the assigned intterupt (IRQ) 
and UART type (usually standard 16550 UART). On x86 linux, usually 
info about inserted PCMCIA cards also appears somewhere in /var/run
(different place within /var/run for different distributions).

You said the you have SRV installed so you should have PCMCIA. Not 
sure how those fit together ... on x86 linux, PCMCIA is a separate 
package (pcmcia_cs). Go to your root directory and do a 
$ find . -name *pcmcia* -print
to see if pcmcia is installed.

Once the modem card is detected you need to run pppd to dail into 
the net with it ... and you need to set up a script with the login
userid, password, etc to make that work.

  -- Doug     

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