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Date:      Fri, 18 Feb 2005 16:25:18 -0700 (MST)
From:      Warner Losh <>
Subject:   Re: 3com 3CCFEM556B pcmcia crashes machine
Message-ID:  <>
In-Reply-To: <!~!>
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> Hi people, I have a 3com 3CCFEM556B pcmcia lan+modem, when I connected it
> shows the model and the next two last lines after machine crashes:
> sio4: type 16550A with a bogus IIR_TXRDY register
> sio4: unable to activate interrupt in fast mode - using normal mode
> I think that it is a IRQ problem, but doesn't have the experience to solve
> it.
> Any suggestion?

Which revision of FreeBSD?  Do other cards work?


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