Date: Wed, 11 Feb 2004 13:37:07 -0600 From: Eric F Crist <ecrist@adtechintegrated.com> To: freebsd-questions@freebsd.org, duanewinner@att.net Subject: Re: com ports in freebsd Message-ID: <200402111337.14211.ecrist@adtechintegrated.com> In-Reply-To: <1076527398.252.27.camel@localhost> References: <1076527398.252.27.camel@localhost>
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--Boundary-02=_pRoKAXFkxUERIng Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 11 February 2004 01:23 pm, Duane Winner wrote: > Hello, > > I have a question about how FreeBSD handles the serial ports. > > After messing around for 2 days, I finally got my PCMCIA modem working > on my laptop. All I really had to do was to > "cd /dev/ && ./MAKEDEV cuaa4" > > I did this because dmesg kept reporting the Megahertz modem at "sio4". > > What I don't understand is the why or how. My kernel config is still > using the default sio0 thru sio3 devices: > device sio0 at isa? port IO_COM1 flags 0x10 irq 4 > device sio1 at isa? port IO_COM2 irq 3 > device sio2 at isa? disable port IO_COM3 irq 5 > device sio3 at isa? disable port IO_COM4 irq 9 > > So if there is now sio4 in the kernel, how is this working? > > I'm not complaining, nor looking for a solution, since I have everything > working now. > > I'm just trying to understand how this working. > > Thanks, > DW If you look, sio2 and sio3 have been disabled in the kernel config. since= =20 sio0 and sio1 are assigned as hardware serial devices, the first available = is=20 sio4 that either hasn't been disabled or isn't in use. =20 HTH =2D-=20 Eric F Crist AdTech Integrated Systems, Inc (612) 998-3588 --Boundary-02=_pRoKAXFkxUERIng Content-Type: application/pgp-signature Content-Description: signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQBAKoRpzdyDbTMRQIYRAtFdAJ9YkjEAqB5jpiK2sZNY6wGiVW4Y5wCgvbUK miW+gR5VDd2bKM285dH/ib8= =9PNd -----END PGP SIGNATURE----- --Boundary-02=_pRoKAXFkxUERIng--
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