Date: 26 Dec 1996 19:22:05 +0100 From: Frank Nobis <fn@radio-do.de> To: hackers@freebsd.org Cc: Michael Smith <msmith@atrad.adelaide.edu.au>, Peter Hawkins <peter@clari.net.au> Subject: Re: Help with sb Message-ID: <ygevi9p17zm.fsf@trinity.radio-do.de> In-Reply-To: Peter Hawkins's message of Fri, 27 Dec 1996 01:11:28 %2B1100 (EST) References: <XFMail.961227013057.peter@clari.net.au>
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>>>>> "Peter" == Peter Hawkins <peter@clari.net.au> writes:
>> Printer ports are generally found at IRQ 7. FreeBSD will work
>> with them anywhere, and even with no interrupts at all (but
>> performance will suck).
Peter> Does it take a kernel recompile to move it? I assume you do
Peter> not need to jumper anything. What if I just set the printer
Peter> driver into polled mode? (actually I think that's how I
Peter> had it)
You can boot the kernel with -c option and disable the IRQ 7 for your
printer. This will work untill you install a new kernel and forget to
change the kernel config file too.
I am running my old deskjet without an IRQ and the performance is not
that bad at all.
>> Most SB cards offer several interrupts; even my nasty old SB2.0
>> gives me 2, 3, 5 or 7.
Peter> 3 = sio1 (mouse) 5 = my WD8003e (can goto 3 but that is
Peter> sio1)
At boot time I see:
Dec 9 20:35:11 trinity /kernel: lpt0 at 0x3bc-0x3c3 on isa
...
Dec 9 20:35:12 trinity /kernel: sb0 at 0x220 irq 7 drq 1 on isa
Dec 9 20:35:12 trinity /kernel: sb0: <SoundBlaster Pro 3.1>
Dec 9 20:35:12 trinity /kernel: opl0 at 0x388 on isa
Dec 9 20:35:12 trinity /kernel: opl0: <Yamaha OPL-3 FM>
Gruss
Frank
--
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