From owner-freebsd-questions  Sun Jan 13 19:19:41 2002
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Date: Sun, 13 Jan 2002 22:19:38 -0500
From: leegold <leegold@operamail.com>
To: "Kevin Oberman" <oberman@ptavv.es.net>
Cc: freebsd-questions@freebsd.org
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Subject: RE: what does my dmesg say?
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>===== Original Message From "Kevin Oberman" <oberman@ptavv.es.net> =====
...snip>>
>> > sio0: configured irq 4 not in bitmap of probed irqs 0
>> > sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
>> > sio0: type 8250
>> > sio1 at port 0x2f8-0x2ff irq 3 on isa0
>> > sio1: type 16550A
>>
>> sio0 is most likely your modem, but it must be an ancient one to be a
>> plain 8250.  You can test by running "cu -l /dev/cuaa0" and see if an
>> "ATZ" gives you "OK" back.  If not, try /dev/cuaa1.
>
>The key is the first line:
>sio0: configured irq 4 not in bitmap of probed irqs 0
>
>This really means that BIOS need to be used to enable the port. Until
>then, it will simply not work. Since this is an IBM computer, you may
>need a DOS utility to enable the port, but my only experience with
>IBMs of newer vintage than the AT is with laptops.


In dos lingo I need to get com1 working?
I have an isa hardware modem, I think it's
jumpered for com1. In any event, whatever I have it
jumpered for -  I have to make sure the bios that port enabled?

Is that what you're saying?


Thanks

>
>It turns out that when the serial driver (if_sio) can't talk to the
>device, it labels it as an 8250. I really, really will write a patch
>to correct this soon, although it's too late to make 4.5. Sorry.
>
>R. Kevin Oberman, Network Engineer
>Energy Sciences Network (ESnet)
>Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
>E-mail: oberman@es.net			Phone: +1 510 486-8634


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