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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!howland.erols.net!newsfeed.internetmci.com!news.seanet.com!news From: Bruce Olsen <bolsen@odinn.seanet.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: How to add additional serial ports to the kernel? Date: Sun, 22 Dec 1996 11:38:46 -0800 Organization: Seanet Online Services, Seattle WA Lines: 23 Message-ID: <32BD8E46.167EB0E7@odinn.seanet.com> References: <598hs0$gs0@kzsu.Stanford.EDU> NNTP-Posting-Host: odinn.seanet.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 2.01 (X11; I; FreeBSD 2.1.5-RELEASE i386) To: Bob Vaughan <techie@kzsu.Stanford.EDU> Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:32857 Bob Vaughan wrote: > > I have a need to add additional serial ports (beyond sio0-sio3).. > how do I go about doing this? I'm looking at adding 2 more ports, > for a total of 6.. it looks like I have enough interrupts to do this.. > > i need to be able to have a configuration something like this: > sio0 = mouse > sio1 = UPS monitor > sio2 = modem > sio3 = remote console > sio4 = modem > sio5 = spare > > please copy replies to email.. > It's a bit on the facile side, but there are good instructions in the handbook. Strongly recommended reading. In order to get the number of ports you indicate, you'll have to get some kind of add-on comm board. AST and Boca come to mind. Also, take a look at the LINT and GENERIC kernel configurations. Good luck.