Date: Thu, 1 Feb 1996 11:37:55 -0600 (CST) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: didier@omnix.fr.org Cc: hackers@freebsd.org Subject: Re: serial ports on shared irq Message-ID: <199602011737.LAA09182@brasil.moneng.mei.com> In-Reply-To: <Pine.BSF.3.91.960131200401.9298A-100000@zapata.omnix.fr.org> from "didier@omnix.fr.org" at Jan 31, 96 08:05:25 pm
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> hi > > is it possible to use serveral serial port on the same irq (4 port board) > > thanks Yes. Here's a "BlackBoard" something or other, similar to other 4port cards: device sio4 at isa? port 0x200 tty flags 0x0705 device sio5 at isa? port 0x208 tty flags 0x0705 device sio6 at isa? port 0x210 tty flags 0x0705 device sio7 at isa? port 0x218 tty flags 0x0705 irq 12 vector siointr Set for ports at 0x200 and interrupt 12 obviously enough. Don't forget to include COM_MULTIPORT in your options. ... Joe ------------------------------------------------------------------------------- Joe Greco - Systems Administrator jgreco@ns.sol.net Solaria Public Access UNIX - Milwaukee, WI 414/546-7968
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