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Newsgroups: comp.unix.bsd Path: sserve!manuel.anu.edu.au!munnari.oz.au!uunet!caen!batcomputer!cornell!cchase From: cchase@cs.cornell.edu (Craig Chase) Subject: Re: How do I enable COM3 and COM4? Message-ID: <1992Oct19.032151.29724@cs.cornell.edu> Organization: Electrical Engineering, Cornell University, Ithaca NY References: <1992Oct15.014800.729@skitzo.dseg.ti.com> <1992Oct15.162922.24566@fcom.cc.utah.edu> Date: Mon, 19 Oct 1992 03:21:51 GMT Lines: 28 In article <1992Oct15.162922.24566@fcom.cc.utah.edu> terry@cs.weber.edu (A Wizard of Earth C) writes: >In article <1992Oct15.014800.729@skitzo.dseg.ti.com> dittman@skitzo.dseg.ti.com (Eric Dittman) writes: >>How do I enable COM3 and COM4 in the binary distribution of 386BSD 0.1 >>from agate.berkeley.edu? Or do I have to do this from the source? > >You have to modify the configuration file, config, and rebuild the kernel. >Amacio Hasty (I believe) has put together a "minimum required sources" >tar archive on agate and elsewhere for the rebuilding of kernels for those >with only 40Meg of disk. > > You might also want to edit isa.h to add #define IO_COM4 0x2e8 #define IO_COM3 0x3e8 and then use in the config file device com2 at isa? port "IO_COM3" tty irq 4 vector comintr device com3 at isa? port "IO_COM4" tty irq 3 vector comintr Craig p.s. mknod /dev/com2 c 8 2 ; mknod /dev/com3 c 8 3 -- "They [La Prensa] accused us of suppressing freedom of expression. This was a lie and we could not let them publish it." - Nelba Blandon, Interior Ministry Director of Censorship, quoted in