*BSD News Article 74306


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From: Ken Bigelow <kbigelow@www.play-hookey.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Driver for National Instruments AT-MIO-64?
Date: Sat, 20 Jul 1996 20:42:52 -0700
Organization: Erols Internet Services
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Message-ID: <31F1A73C.1BD@www.play-hookey.com>
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bob prohaska wrote:
> 
> Hello all,
> 
> Does anybody happen to have sources (working or not) for
> National Instruments' AT-MIO-64 data acquisition card?
> 
> National Instruments says they don't support register
> level programming for the card, but as I recall Adaptec
> said something similar and freeware drivers appeared rather
> quickly anyway. The immediate puzzle is how one goes about
> setting interrupts on a Plug-n-Play card.
> 
> I should be quick to acknowledge that I'm no programmer,
> but rather am fishing for information to help somebody else.
> 

I'm afraid this might not be what you wanted to hear (see), but...
In general, Plug'n'Play needs to be disabled on various peripherals, to 
run under FreeBSD. The main problem seems to be that Plug'n'Play lets 
cards change ports and IRQ's dynamically on their own to unused spots on 
the memory/IO map, and then report the results to something like Win95, 
which keeps track of these values in a temporary table. Not workable for 
FreeBSD, which wants permanent assignments.
-- 

Ken

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