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Message-ID: <19971217090449.07296@lemis.com>
Date: Wed, 17 Dec 1997 09:04:49 +1030
From: Greg Lehey <grog@lemis.com>
To: Grum Ketema <grum@trumpet.MIT.EDU>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Modem not Talking
References: <199712161911.OAA18368@trumpet.MIT.EDU>
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In-Reply-To: <199712161911.OAA18368@trumpet.MIT.EDU>; from Grum Ketema on Tue, Dec 16, 1997 at 02:11:16PM -0500
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On Tue, Dec 16, 1997 at 02:11:16PM -0500, Grum Ketema wrote:
> Hello Sir
>
> I just loaded FreeBSD 2.2.2(From Walnut Creek distribution CD) on my PC.
> I have to hard disk drives. FreeBSD is on the second drive with Linux. I have
> Windows 95 on the first drive. The system boots and is okay. The problem I
> am running into is FreeBSD does not read the port my modem is located on.
>
> I read the following configuration Info from Windows 95
>
> COM1 I/O 03F8 - 03FF IRQ 4  not Used
> COM2 I/O 02F8 - 02FF IRQ 3  Serial mouse
> COM3 I/O 03E8 - 03EF IRQ 12 Modem
>
> I use the same configuration in FreeBSD. It gets COM1 and COM2 correctly
> and fails to get COM3.
>
> I get sio2 not found at 03E8. I suspect it is the IRQ setting. What
> should I do. Please Help

Try booting with -c, then set the flag for sio2 to 0x80.  While you're
at it, check that sio2 is really set for irq 12.  After booting, check
that nothing else is on irq 12, and send in the probe messages.

Greg