[3907] in linux-net channel archive
Re: Serial Port IRQ woes
daemon@ATHENA.MIT.EDU (Mark F. Burgo)
Tue Jul 30 09:31:10 1996
From: "Mark F. Burgo" <mfburgo@lrkimball.com>
To: List Data <lists@bagel.gen.nz>,
submit-linux-dev-net@ratatosk.yggdrasil.com
Date: Tue, 30 Jul 1996 09:23:08 EST
Reply-to: mfburgo@lrkimball.com
> Date: Thu, 25 Jul 1996 12:35:56 +1200 (NZST)
> From: List Data <lists@bagel.gen.nz>
> To: submit-linux-dev-net@ratatosk.yggdrasil.com
> Subject: Serial Port IRQ woes
> Hi
>
> I don't know if this is in the right area - if not, sorry.
>
> I need to get 2 modems working on 1 linux box. (I am using 1.2.13
> currently). I also need my mouse.
>
> I have a P100 with built in Com ports, and 1 internal modem.
> Mouse - /dev/cua0 = IRQ 4
> Modem 1 = External = /dev/cua1 = IRQ 3
> Modem 2 = Internal = /dev/cua3 = IRQ ?3
>
>
> The problem is getting the internal modem recognized on IRQ 5 or 7 -
> I have edited rc.serial, and changed the jumpers on the modem, but
> Linux refuses to talk to the modem on anything other then IRQ 3
> (though I did not try as the mouse needs it).
>
> The modem is a US Robotics 33k6 internal (only fbeing used at 28k8)
>
> Any ideas to get Linux to recognize the modem ??
>
> Thanks,
> David (davidgo@kcbbs.gen.nz)
>
>
>
I was able to configure my Sportster by editing the serial.c source
for the kernel and modifing the interrupt. After re-compiling the
kernel all worked well. However, you need to remember to due this
for any kernel upgrades you perform.....
mark
Mark F. Burgo
mfburgo@lrkimball.com
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