From owner-freebsd-questions  Thu May  6 13:39:31 1999
Delivered-To: freebsd-questions@freebsd.org
Received: from iguana.internexo.co.cr (iguana.internexo.co.cr [196.40.17.2])
	by hub.freebsd.org (Postfix) with ESMTP id D0EEF14CB3
	for <freebsd-questions@FreeBSD.ORG>; Thu,  6 May 1999 13:39:23 -0700 (PDT)
	(envelope-from freebsd@iguana.internexo.co.cr)
Received: (from freebsd@localhost)
	by iguana.internexo.co.cr (8.8.5/8.8.5) id OAA16340;
	Thu, 6 May 1999 14:38:09 -0600 (CST)
From: Theodore Hope <freebsd@iguana.internexo.co.cr>
Message-Id: <199905062038.OAA16340@iguana.internexo.co.cr>
Subject: Re: IRQ #s
To: hamellr@dsinw.com (Rick Hamell)
Date: Thu, 6 May 1999 14:38:09 -0600 (CST)
Cc: christopher_booth@mcgraw-hill.com, freebsd-questions@FreeBSD.ORG,
	cbooth@aixx.net
In-Reply-To: <Pine.WNT.3.95.990506130954.-70647C-100000@akane> from "Rick Hamell" at May 6, 99 01:15:41 pm
X-Mailer: ELM [version 2.4 PL25]
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

> Common IRQ Usage
> 
> 
> IRQ 1&2 =System IRQs (2 is free on some older systems, mostly with Arcnet)
> IRQ 3= Com 2/4
> IRQ 4= Com 1/3
> IRQ 5= LPT2, Usually free though, sound cards are common, as is COM 3
> IRQ 6= Floppy/System
> IRQ 7= LPT1 - Should always be here, many programs will not print if it's not
> IRQ 8= System
> IRQ 9= Video/System
> IRQ 10= Free, usually the best place for Network cards
> IRQ 11= Free, good for PNP modems using Com3
> IRQ 12= Free, best for SCSI controllers. *****
> IRQ 13= System
> IRQ 14= Primary HDD
> IRQ 15= Secondary HDD

**** PS/2 mouse often shows up at IRQ 12.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message