From owner-freebsd-hackers Thu Dec 26 10:22:43 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id KAA01442 for hackers-outgoing; Thu, 26 Dec 1996 10:22:43 -0800 (PST) Received: from trinity.radio-do.de (fn@trinity.Radio-do.de [193.101.164.3]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id KAA01436 for ; Thu, 26 Dec 1996 10:22:37 -0800 (PST) Received: by trinity.radio-do.de (8.7.6/CLIENT-1.2.7-h) via EUnet id TAA11392; Thu, 26 Dec 1996 19:22:05 +0100 (MET) To: hackers@freebsd.org Cc: Michael Smith , Peter Hawkins Subject: Re: Help with sb References: From: Frank Nobis Date: 26 Dec 1996 19:22:05 +0100 In-Reply-To: Peter Hawkins's message of Fri, 27 Dec 1996 01:11:28 +1100 (EST) Message-ID: Lines: 39 X-Mailer: Red Gnus v0.74/XEmacs 19.14 Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >>>>> "Peter" == Peter Hawkins 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: Dec 9 20:35:12 trinity /kernel: opl0 at 0x388 on isa Dec 9 20:35:12 trinity /kernel: opl0: Gruss Frank -- Frank Nobis Email: fn@Radio-do.de PGP AVAILABLE Landgrafenstr. 130 dg3dcn http://www.radio-do.de/~fn/ 44139 Dortmund Powered by FreeBSD Fax: +49 231 7213816