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Date:      Sun, 22 May 2005 10:48:31 -0700
From:      Janet Sullivan <ciscogeek@bgp4.net>
To:        stable@freebsd.org
Subject:   hw.ata.atapi_dma in 5.4-RELEASE-p1
Message-ID:  <4290C5EF.7020800@bgp4.net>

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>>When I put hw.ata.atapi_dma="1" in /boot/loader.conf and reboot, I'm
>>still stuck in PIO4.  What am I doing wrong?

> The drives probably don't support any UDMA modes. WDMA modes aren't enabled 
> for atapi devices because there's a very large number of devices which don't 
> implement them right or not at all, yet claim to support them.

That was it.  The drives only support WDMA modes.  Thanks!



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