Date: Fri, 27 Dec 1996 04:35:19 +1100 From: Bruce Evans <bde@zeta.org.au> To: freebsd-hackers@freebsd.org, j@uriah.heep.sax.de Cc: peter@clari.net.au Subject: Re: Help with sb Message-ID: <199612261735.EAA24737@godzilla.zeta.org.au>
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>> Does it take a kernel recompile to move it? > >No, you can change it by booting with -c. `lptcontrol -p' can be used to stop the printer generating interrupts, but there is no way to connect the sb or lpt to the interrupt if it isn't already - the first one configured grabs the interrupt vector and the error for the other not being able to allocate the vector is silently ignored. >> jumper anything. What if I just set the printer driver into polled mode? >> (actually I think that's how I had it) > >It will burn many CPU cycles in tight loops then. The driver was so braindamaged that this was required for many printers with working interrupts anyway. Joerg improved the driver, but it's not clear if the polling code is still useful since no one complains about working code :-). Bruce
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