Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!agate!ucbvax!hplabs!hpda!hpcupt1!vandys From: vandys@hpcupt1.HP.COM (Andrew Valencia(Seattle)) Newsgroups: comp.unix.microport Subject: Re: Re: com3 & com4 -> tty2 & tty3 Message-ID: <10770017@hpcupt1.HP.COM> Date: 28 Apr 89 15:18:21 GMT References: <42700008@osiris.cso.uiuc.edu> Organization: Hewlett Packard, Cupertino Lines: 8 / hpcupt1:comp.unix.microport / dave@micropen (David F. Carlson) / 9:05 am Apr 27, 1989 / >If you have a PC/AT style bus, IRQ2 is not even a valid bus signal! I believe that it is the BIOS' responsibility to simulate it. Most UNICES don't run through the BIOS, so that may be the point at which it breaks. Andy