*BSD News Article 18509


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From: wilko@idca.tds.philips.nl (Wilko Bulte)
Newsgroups: comp.os.386bsd.bugs
Subject: Re: 3c503 probe
Message-ID: <wilko.742810220@spoetnix.idca.tds.philips.nl>
Date: 16 Jul 93 08:10:20 GMT
References: <221hoo$n4d@terminator.rs.itd.umich.edu>
Sender: news@idca.tds.philips.nl
Lines: 16

pauls@terminator.rs.itd.umich.edu (Paul Southworth) writes:


>Anyone know why the stock 3c503 driver thinks that the card is at IRQ 9
>(and it even works) when IRQ 9 is not even a possible IRQ for that card?
>The GENERICISA conf file says IRQ 2 .....

Not that difficult: IBM in it's wisdom decided to cascade to interrupt
controllers (8259 ?). What it boils down to that on AT machines IRQ2 == IRQ9

Wilko

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 |   / o / /  _   Wilko Bulte               mail: wilko@idca.tds.philips.nl
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