Path: utzoo!utgpu!water!watmath!clyde!rutgers!ucla-cs!wales From: wales@CS.UCLA.EDU Newsgroups: comp.sys.ibm.pc Subject: Re: COM3,COM4 Message-ID: <9983@shemp.UCLA.EDU> Date: 18 Dec 87 06:11:19 GMT References: <164300022@uiucdcsb> <412@wa3wbu.UUCP> <13091@beta.UUCP> <20049@yale-celray.yale.UUCP> Sender: root@CS.UCLA.EDU Reply-To: wales@CS.UCLA.EDU (Rich Wales) Organization: UCLA CS Department, Los Angeles Lines: 15 In article <20049@yale-celray.yale.UUCP> {backbone}!esquire!kthomas!kthomas writes: >Does anybody know the interrupt number and (base) port address for >com3 and com4 on the pc/xt/at ? According to Appendix D of my ProComm 2.4.2 manual: COM3 has a base port address of 3E8h and interrupts at IRQ4. COM4 has a base port address of 2E8h and interrupts at IRQ3. -- Rich Wales // UCLA Computer Science Department // +1 (213) 825-5683 3531 Boelter Hall // Los Angeles, California 90024-1596 // USA wales@CS.UCLA.EDU ...!(ucbvax,rutgers)!ucla-cs!wales "Sir, there is a multilegged creature crawling on your shoulder."