From owner-freebsd-hardware Thu Jun 28 21:43:30 2001 Delivered-To: freebsd-hardware@freebsd.org Received: from mass.dis.org (tserver.conference.usenix.org [199.103.159.3]) by hub.freebsd.org (Postfix) with ESMTP id 04DF437B40C for ; Thu, 28 Jun 2001 21:43:28 -0700 (PDT) (envelope-from msmith@mass.dis.org) Received: from mass.dis.org (localhost [127.0.0.1]) by mass.dis.org (8.11.4/8.11.3) with ESMTP id f5T4tgq01485; Thu, 28 Jun 2001 21:55:43 -0700 (PDT) (envelope-from msmith@mass.dis.org) Message-Id: <200106290455.f5T4tgq01485@mass.dis.org> X-Mailer: exmh version 2.1.1 10/15/1999 To: "Joseph Gleason" Cc: OpsyDopsy@netcabo.pt, hardware@FreeBSD.ORG Subject: Re: NIC + PCI IRQ assignment In-reply-to: Your message of "Thu, 28 Jun 2001 10:43:12 EDT." <002d01c0ffe0$a8562930$0a2d2d0a@battleship> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Date: Thu, 28 Jun 2001 21:55:42 -0700 From: Mike Smith Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > Anyone have an references/explanations for: > = > 1) How do PCI cards get assigned IRQ's? What is the process? Bad, evil BIOS magic, combined with knowledge of how your motherboard is = laid out. Seriously. > 2) What will happen if two PCI devices get assigned the same IRQ? Is i= t a > problem with well designed and well behaved devices? No. > 3) What does telling the BIOS "Plug and Play OS Installed: Yes" really = do? It depends. Typically, it means the BIOS will do less work setting up = your hardware. -- = =2E.. every activity meets with opposition, everyone who acts has his rivals and unfortunately opponents also. But not because people want to be opponents, rather because the tasks and relationships force people to take different points of view. [Dr. Fritz Todt] V I C T O R Y N O T V E N G E A N C E To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message