Date: Thu, 19 Nov 1998 10:09:10 -0700 From: Nate Williams <nate@mt.sri.com> To: Joao Carlos Mendes Luis <jonny@jonny.eng.br> Cc: nate@mt.sri.com (Nate Williams), roger@cs.strath.ac.uk, mobile@FreeBSD.ORG Subject: Re: strange behavious of two PCMCIA modem cards Message-ID: <199811191709.KAA05146@mt.sri.com> In-Reply-To: <199811191706.PAA23317@roma.coe.ufrj.br> References: <199811191624.JAA04828@mt.sri.com> <199811191706.PAA23317@roma.coe.ufrj.br>
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> // > // Actually, the interrupts and the I/O ports the card's claim to use are > // > // completely irrelevant since the PCIC controller can map them to be > // > // anywhere. > // > > // > I could not change my ethernet card irq from its default 5. Do you > // > have another explanation for that ? I'm running 3.0, could it be the > // > problem you said above ? > // > // Are you sure the other interrupts you tried were not already taken by > // some part of the system? Again, electrically speaking the card has no > // idea what IRQ was assigned to it, it just gets the interrupt that the > // PCIC controller passes to it. > > Humm... Now that you said this I went again and tried with other > interrupts. It requests irq 5, and work with both irq 5 and irq 9, > but it does not work with irq 11. AFAIK, there's nothing at irq 11 in > my notebook (Toshiba CDS305). And, IIRC, I used this interrupt before > with a SlimSCSI card. I'll bet it didn't work very well. IRQ 11 seems to be used by a number of 'internal' functions in laptops for some reason. On my ThinkPad, it's used for *something*, but I have no idea what. > How can I find which irqs are in use ? You can't, really. Welcome to the world of PC's. :( Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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