Date: Thu, 28 Jun 2001 21:55:42 -0700 From: Mike Smith <msmith@freebsd.org> To: "Joseph Gleason" <clash@fireduck.com> Cc: OpsyDopsy@netcabo.pt, hardware@FreeBSD.ORG Subject: Re: NIC + PCI IRQ assignment Message-ID: <200106290455.f5T4tgq01485@mass.dis.org> In-Reply-To: Your message of "Thu, 28 Jun 2001 10:43:12 EDT." <002d01c0ffe0$a8562930$0a2d2d0a@battleship>
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> 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
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