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Date:      Sun, 15 Jul 2001 23:30:51 -0500
From:      seebs@plethora.net (Peter Seebach)
To:        freebsd-questions@freebsd.org
Subject:   Re: CD-ROM compatability 
Message-ID:  <200107160430.f6G4Upv03430@guild.plethora.net>
In-Reply-To: Your message of "Sun, 15 Jul 2001 20:24:53 EDT." <20010715202453.C10278@localhost> 

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In message <20010715202453.C10278@localhost>, User & Ian Patrick Thomas writes:
>	I also use a Creative Labs 52x CDROM, but with no difficulties.  I
>think you may be on the right track in suspecting some strange behaviour
>from the IDE controllers.  I have also read that running a CDROM on a UDMA
>66 controller can cause problems.  

Hmm.  Well, I think the controller can do UDMA.

I don't suppose there's a way to set flags, or otherwise tell the driver
to not attempt DMA?  In BSD/OS, this'd be something like
	-parm wdpi0 flags=nodma

-s

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