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Date:      Wed, 11 Apr 2001 12:30:55 +1200
From:      "Juha Saarinen" <juha@saarinen.org>
To:        "Matthew Emmerton" <matt@gsicomp.on.ca>, "Cyrille Lefevre" <clefevre@poboxes.com>
Cc:        <freebsd-stable@FreeBSD.ORG>
Subject:   RE: ATA_ENABLE_ATAPI_DMA gone?
Message-ID:  <KPECIILENDDLPCNIMLOFKEABCBAA.juha@saarinen.org>
In-Reply-To: <003301c0c21d$2c4b0cd0$1200a8c0@gsicomp.on.ca>

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:: ATA devices are hard disks.
:: ATAPI devices are everything else (tape drives, floppy drives - including
:: ZIP drives, and CD-ROM and DVD drives).
::
:: ATA was originally developed as a standard for hard drives, and was later
:: extended to support other devices.  Hence, ATAPI, where PI stands for
:: "Peripheral Interconnect" or something like that.

Well, not quite. The AT Attachment Packet Interface is part of the ATA-2
spec.

-- Juha


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