Path: utzoo!utgpu!water!watmath!clyde!cbosgd!ucbvax!husc6!yale!kthomas From: kthomas@yale-zoo-suned..arpa (Kevin Thomas) Newsgroups: comp.sys.ibm.pc Subject: COM3,COM4 Summary: where are interrupts, ports? Message-ID: <20049@yale-celray.yale.UUCP> Date: 9 Dec 87 17:41:52 GMT References: <164300022@uiucdcsb> <412@wa3wbu.UUCP> <13091@beta.UUCP> Sender: root@yale.UUCP Reply-To: {backbone}!esquire!kthomas!kthomas Organization: Yale University Computer Science Dept, New Haven CT Lines: 8 All of my technical documentation on the pc and at predated com3 and com4, but I now need to make my software work with them. Does anybody know the interrupt number and (base) port address for com3 and com4 on the pc/xt/at ? Thanks in advance, kmt