*BSD News Article 53351


Return to BSD News archive

Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!zombie.ncsc.mil!news.duke.edu!gallatin
From: gallatin@isds.duke.edu (Andrew Gallatin)
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: Re: Problems with 3COM509
Date: 18 Oct 1995 13:44:40 GMT
Organization: Duke University, Durham, N.C.
Lines: 19
Message-ID: <4630c8$6tf@news.duke.edu>
References: <461fte$be9@clarknet.clark.net> <462j62$on0@news.csie.nctu.edu.tw>
NNTP-Posting-Host: serov.isds.duke.edu
Cc: 

In article <462j62$on0@news.csie.nctu.edu.tw>,
Simon Liu <jgliu@netrd.net.tw> wrote:

>I had the same problem on 486.
>I check the irq of 3C509 is 15.
>When I changed it to 2 or 3 or 7, it worked.

The reason for this (as pointed out by BSDI tech. support) is that
some PCI motherboards reserve IRQ 15 for PCI cards.  BSD/OS puts
3c509's at IRQ 15 by default.  Since a 3c509 is an ISA and not a PCI
card, this causes problems.

Drew
##############################################################################
#		Andrew Gallatin, Computer Project Manager                    #
#	    Institute of Statistics and Decision Sciences		     #
#	  Box 90251, Duke University, Durham, NC 27708-0251		     #
##############################################################################