Path: utzoo!attcan!uunet!husc6!rutgers!att!ihlpl!figlik From: figlik@ihlpl.ATT.COM (Jim Figlik) Newsgroups: comp.sys.ibm.pc Subject: Re: Com3 and Com4 Message-ID: <7681@ihlpl.ATT.COM> Date: 15 Nov 88 17:06:08 GMT References: <2677@silver.bacs.indiana.edu> Reply-To: figlik@ihlpl.UUCP (55241-Figlik,J.R.) Organization: AT&T Bell Laboratories - Naperville, Illinois Lines: 19 In article <2677@silver.bacs.indiana.edu> millerp@silver.bacs.indiana.edu (Lost My Mind) writes: > >Hi, I'm working on a terminal emulation program at work and I've >run into a slight problem. One of the tech's here has an IBM Clone >and they want to put their 'Internal Half-Card' Modem in as either >Com3 or Com4 depending on ???? Anyway, I need to know what the interrupt >vector address for these comports are, I can't find it in my manual >mound. I know where the control registers for these comports are, so >if someone could e-mail or post the interrupt vector addresss for these >comports I would really appriciate it. Com1 is 0x3F8 and usually uses IRQ4, Com2 is 02F8 and usually uses IRQ3. Jim -- Name/Number: Jim Figlik (312) 979-3478 Organization: CAP Gemini America @ AT&T Bell Labs, Indian Hill, IL Elec.Address: {world}!att!ihlpl!figlik Phys.Address: 2000 N. Naperville Rd/IH 6U-212, Naperville, IL 60566-7033