From owner-freebsd-mobile  Mon Aug  7 19: 7:19 2000
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Date: Mon, 7 Aug 2000 19:07:10 -0700
From: David Hinds <dhinds@valinux.com>
To: freebsd-mobile@freebsd.org
Subject: Re: Ricoh RL5C475 PCI-PCMCIA adaptor and interrupts
Message-ID: <20000807190710.A29034@valinux.com>
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> So it did have an IRQ listed?  OK.  I don't have one listed.  IIRC,
> the 1221 and 1225 based cards that I have do have an IRQ assigned by
> the BIOS.  Maybe that's the test we need.

No, that test doesn't work: it is a BIOS feature, not a property of
the card.  Some BIOS variants will always assign PCI interrupts to
CardBus bridges; some never will.  Both are found on both desktop and
laptop systems.  There was a window of time where it was standard to
do the interrupt assignment; but newer systems generally will not do
it for CardBus bridges.  This behavior is part of the "PC99" spec.

-- Dave


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